Achswellendichtung

Innendurchmesser: 69mm, Außendurchmesser: 112,70mm
für nachfolgende Fahrzeuge geeignet
Chevrolet (59)
1500 (6)
1954 3.8L 235cid L6
1954 4.3L 261cid L6 1BBL
1954 4.3L 261cid L6 2BBL

AJ (2)
1941 3.5L 216cid L6

AK (2)
1941 3.5L 216cid L6

AL (2)
1941 3.5L 216cid L6

AM (2)
1941 3.5L 216cid L6

AN (2)
1941 3.5L 216cid L6

Avalanche 2500 (2)
2002 8.1L V8 Code:G
2003 8.1L V8 Code:G
2004 8.1L V8 Code:G
2005 8.1L V8 Code:G
2006 8.1L V8 Code:G

C20 (39)
1975 4.1L 250cid L6
1976 4.1L 250cid L6
1977 4.1L 250cid L6
1978 4.1L 250cid L6
1979 4.1L 250cid L6
1980 4.1L 250cid L6
1981 4.1L 250cid L6 Code:D
1982 4.1L 250cid L6 Code:D
1983 4.1L 250cid L6 Code:D
1984 4.1L 250cid L6 Code:D
1985 4.3L 262cid V6 Code:N
1986 4.3L 262cid V6 Code:N
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1981 5.0L 305cid V8 Code:H
1982 5.0L 305cid V8 Code:H
1983 5.0L 305cid V8 Code:H
1984 5.0L 305cid V8 Code:H
1985 5.0L 305cid V8 Code:H
1986 5.0L 305cid V8 Code:H
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1980 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1980 5.7L 350cid V8 4BBL
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1982 6.2L 379cid V8 FI DIESEL Code:C,J
1983 6.2L 379cid V8 FI DIESEL Code:C,J
1984 6.2L 379cid V8 FI DIESEL Code:C,J
1985 6.2L 379cid V8 FI DIESEL Code:C,J
1986 6.2L 379cid V8 FI DIESEL Code:C,J
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W

C20 Panel (2)
1967 4.1L 250cid L6

C20 Pickup (105)
1963 3.8L 230cid L6
1964 3.8L 230cid L6
1965 3.8L 230cid L6
1960 3.8L 235cid L6
1961 3.8L 235cid L6
1962 3.8L 235cid L6 1BBL
1962 3.8L 235cid L6 2BBL
1966 4.1L 250cid 4097cc L6
1967 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1966 4.1L 250cid 4098cc L6
1967 4.1L 250cid 4098cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1961 4.3L 261cid L6 1BBL
1962 4.3L 261cid L6 1BBL
1961 4.3L 261cid L6 2BBL
1962 4.3L 261cid L6 2BBL
1960 4.6L 283cid V8
1961 4.6L 283cid V8
1962 4.6L 283cid V8
1963 4.6L 283cid V8
1964 4.6L 283cid V8
1965 4.6L 283cid V8
1966 4.6L 283cid V8
1967 4.6L 283cid V8
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1964 4.8L 292cid L6
1965 4.8L 292cid L6
1966 4.8L 292cid L6
1967 4.8L 292cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1963 4.8L 292cid L6 1BBL
1963 4.8L 292cid L6 2BBL
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1968 4.8L 292cid L6 OHV
1969 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1972 4.8L 292cid L6 Code:S
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1969 5.0L 307cid V8 Code:E
1971 5.0L 307cid V8 Code:H
1966 5.3L 327cid V8 2BBL
1967 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 2BBL
1969 5.3L 327cid V8 2BBL
1966 5.3L 327cid V8 4BBL
1967 5.3L 327cid V8 4BBL
1968 5.3L 327cid V8 4BBL
1969 5.3L 327cid V8 4BBL
1968 5.4L 327cid V8
1960 5.7L 348cid V8 2BBL
1961 5.7L 348cid V8 2BBL
1960 5.7L 348cid V8 4BBL
1961 5.7L 348cid V8 4BBL
1970 5.7L 350cid V8 2BBL
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1968 6.5L 396cid V8 Code:E
1969 6.5L 396cid V8 Code:E
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

C20 Suburban (112)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1967 4.1L 250cid L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1967 4.6L 283cid V8
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1967 4.8L 292cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1969 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1972 4.8L 292cid L6 Code:S
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1979 5.0L 305cid V8
1981 5.0L 305cid V8 Code:H
1982 5.0L 305cid V8 Code:H
1983 5.0L 305cid V8 Code:H
1984 5.0L 305cid V8 Code:H
1985 5.0L 305cid V8 Code:H
1986 5.0L 305cid V8 Code:H
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1969 5.0L 307cid V8 Code:E
1971 5.0L 307cid V8 Code:H
1967 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 2BBL
1969 5.3L 327cid V8 2BBL
1967 5.3L 327cid V8 4BBL
1968 5.3L 327cid V8 4BBL
1969 5.3L 327cid V8 4BBL
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1969 6.5L 396cid V8 Code:E
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

C2500 (49)
1988 4.3L 262cid V6 Code:Z
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1988 5.0L 305cid V8 Code:H
1989 5.0L 305cid V8 Code:H
1990 5.0L 305cid V8 Code:H
1991 5.0L V8 Code:H
1992 5.0L V8 Code:H
1993 5.0L V8 Code:H
1994 5.0L V8 Code:H
1995 5.0L V8 Code:H
1996 5.0L V8 Code:M
1997 5.0L V8 Code:M
1998 5.0L V8 Code:M
1999 5.0L V8 Code:M
1989 5.7L 350cid V8
1990 5.7L 350cid V8
1990 5.7L 350cid V8 FI Code:K
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1988 5.7L 350cid V8 Code:M
1992 5.7L V8 CNG Code:K
1993 5.7L V8 CNG Code:K
1996 5.7L V8 CNG Code:R
1998 5.7L V8 CNG Code:R
1999 5.7L V8 CNG Code:R
2000 5.7L V8 CNG Code:R
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1995 5.7L V8 Code:R
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:C
1989 6.2L 379cid V8 DIESEL Code:C,J
1990 6.2L 379cid V8 DIESEL Code:C,J
1991 6.2L V8 DIESEL Code:C,J
1992 6.2L V8 DIESEL Code:C,J
1993 6.2L V8 DIESEL Code:C,J
1994 6.5L V8 DIESEL Code:P
1995 6.5L V8 DIESEL Code:P
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F,S
1995 6.5L V8 Turbo DIESEL Code:F,S
1996 6.5L V8 Turbo DIESEL Code:F,S
1997 6.5L V8 Turbo DIESEL Code:F,S
1998 6.5L V8 Turbo DIESEL Code:F,S
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

C2500 Suburban (10)
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

C30 (41)
1975 4.1L 250cid L6
1976 4.1L 250cid L6
1977 4.1L 250cid L6
1978 4.1L 250cid L6
1979 4.1L 250cid L6
1980 4.1L 250cid L6
1981 4.1L 250cid L6 Code:D
1982 4.1L 250cid L6 Code:D
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1978 5.0L 305cid V8
1977 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1978 5.7L 350cid V8 4BBL
1978 5.7L 350cid V8 FI MFI DIESEL
1983 5.7L 350cid V8 Code:L,M
1981 5.7L 350cid V8 Code:M
1982 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W

C30 Pickup (48)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1972 4.8L 292cid L6 Code:S
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

C35 (12)
1984 4.1L 250cid L6 Code:D
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1987 4.8L 292cid L6 Code:T
1989 5.7L 350cid V8
1990 5.7L 350cid V8
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1987 5.7L 350cid V8 Code:M
1988 5.7L 350cid V8 Code:M
1991 5.7L V8
1992 5.7L V8
1993 5.7L V8
1994 5.7L V8
1995 5.7L V8 Code:R
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R

C3500 (20)
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1997 5.7L V8 CNG Code:R
1998 5.7L V8 CNG Code:R
1999 5.7L V8 CNG Code:R
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1988 7.4L 454cid V8 Code:N
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

C3500HD (12)
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

Express 2500 (56)
1996 4.3L V6 Code:W
1997 4.3L V6 Code:W
1998 4.3L V6 Code:W
1999 4.3L V6 Code:W
2000 4.3L V6 Code:W
2001 4.3L V6 Code:W
2002 4.3L V6 Code:W
2003 4.3L V6 Code:X
2004 4.3L V6 Code:X
2005 4.3L V6 Code:X
2006 4.3L V6 Code:X
2010 4.8L V8 FLEX Code:A
2011 4.8L V8 FLEX Code:A
2012 4.8L V8 FLEX Code:A
2013 4.8L V8 FLEX Code:A
2014 4.8L V8 FLEX Code:A
2008 4.8L V8 Code:C
2009 4.8L V8 Code:C
2003 4.8L V8 Code:V
2004 4.8L V8 Code:V
2005 4.8L V8 Code:V
2006 4.8L V8 Code:V
2007 4.8L V8 Code:V
1996 5.0L V8 Code:H,M
1997 5.0L V8 Code:M
1998 5.0L V8 Code:M
1999 5.0L V8 Code:M
2000 5.0L V8 Code:M
2001 5.0L V8 Code:M
2002 5.0L V8 Code:M
2003 5.3L V8 Code:T
2004 5.3L V8 Code:T
2005 5.3L V8 Code:T
2002 5.7L V8 BI-FUEL Code:R
2001 5.7L V8 CNG Code:R
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
2001 5.7L V8 Code:R
2002 5.7L V8 Code:R
2011 6.0L V8 CNG Code:B
2012 6.0L V8 CNG Code:B
2013 6.0L V8 CNG Code:B
2014 6.0L V8 CNG Code:B
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2010 6.0L V8 FLEX Code:G
2011 6.0L V8 FLEX Code:G
2012 6.0L V8 FLEX Code:G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2007 6.0L V8 Code:U
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
2001 6.5L V8 Turbo DIESEL Code:F
2002 6.5L V8 Turbo DIESEL Code:F
2006 6.6L V8 Turbo DIESEL Code:2
2007 6.6L V8 Turbo DIESEL Code:2,6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6,L
2011 6.6L V8 Turbo DIESEL Code:L
2012 6.6L V8 Turbo DIESEL Code:L
2013 6.6L V8 Turbo DIESEL Code:L
2014 6.6L V8 Turbo DIESEL Code:L

Express 3500 (69)
2017 2.8L L4 Turbo DIESEL Code:1
2018 2.8L L4 Turbo DIESEL Code:1
2019 2.8L L4 Turbo DIESEL Code:1
2020 2.8L L4 Turbo DIESEL Code:1
2021 2.8L L4 Turbo DIESEL Code:1
2022 2.8L L4 Turbo DIESEL Code:1
2018 4.3L V6 FLEX Code:P
2019 4.3L V6 FLEX Code:P
2020 4.3L V6 FLEX Code:P
2021 4.3L V6 FLEX Code:P
2022 4.3L V6 FLEX Code:P
2023 4.3L V6 FLEX Code:P
2024 4.3L V6 FLEX Code:P
2018 4.3L V6 Code:P
2019 4.3L V6 Code:P
2020 4.3L V6 Code:P
2021 4.3L V6 Code:P
2022 4.3L V6 Code:P
2023 4.3L V6 Code:P
2024 4.3L V6 Code:P
1997 4.3L V6 Code:W
1998 4.3L V6 Code:W
2010 4.8L V8 FLEX Code:A
2011 4.8L V8 FLEX Code:A
2012 4.8L V8 FLEX Code:A
2013 4.8L V8 FLEX Code:A
2014 4.8L V8 FLEX Code:A
2015 4.8L V8 FLEX Code:F
2016 4.8L V8 FLEX Code:F
2017 4.8L V8 FLEX Code:F
2008 4.8L V8 Code:C
2009 4.8L V8 Code:C
2003 4.8L V8 Code:V
2004 4.8L V8 Code:V
2005 4.8L V8 Code:V
2006 4.8L V8 Code:V
2007 4.8L V8 Code:V
2008 5.3L V8 Code:4
2003 5.3L V8 Code:T
2004 5.3L V8 Code:T
2005 5.3L V8 Code:T
2006 5.3L V8 Code:T
2007 5.3L V8 Code:T
2002 5.7L V8 BI-FUEL Code:R
2001 5.7L V8 CNG Code:R
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
2001 5.7L V8 Code:R
2002 5.7L V8 Code:R
2011 6.0L V8 CNG Code:B
2012 6.0L V8 CNG Code:B
2013 6.0L V8 CNG Code:B
2014 6.0L V8 CNG Code:B
2015 6.0L V8 CNG Code:B
2016 6.0L V8 CNG Code:B
2018 6.0L V8 CNG Code:B
2019 6.0L V8 CNG Code:B
2020 6.0L V8 CNG Code:B
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2018 6.0L V8 FLEX Code:B,G
2019 6.0L V8 FLEX Code:B,G
2020 6.0L V8 FLEX Code:B,G
2010 6.0L V8 FLEX Code:G
2011 6.0L V8 FLEX Code:G
2012 6.0L V8 FLEX Code:G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2015 6.0L V8 FLEX Code:G
2016 6.0L V8 FLEX Code:G
2017 6.0L V8 FLEX Code:G
2018 6.0L V8 Code:B,G
2019 6.0L V8 Code:B,G
2020 6.0L V8 Code:B,G
2016 6.0L V8 Code:G
2017 6.0L V8 Code:G
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2007 6.0L V8 Code:U
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
2001 6.5L V8 Turbo DIESEL Code:F
2002 6.5L V8 Turbo DIESEL Code:F
2006 6.6L V8 Turbo DIESEL Code:2
2007 6.6L V8 Turbo DIESEL Code:2,6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6,L
2011 6.6L V8 Turbo DIESEL Code:L
2012 6.6L V8 Turbo DIESEL Code:L
2013 6.6L V8 Turbo DIESEL Code:L
2014 6.6L V8 Turbo DIESEL Code:L
2015 6.6L V8 Turbo DIESEL Code:L
2016 6.6L V8 Turbo DIESEL Code:L
2021 6.6L V8 Code:7
2022 6.6L V8 Code:7
2023 6.6L V8 Code:7
2024 6.6L V8 Code:7
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G

Express 4500 (21)
2012 6.0L V8 CNG Code:B
2013 6.0L V8 CNG Code:B
2014 6.0L V8 CNG Code:B
2015 6.0L V8 CNG Code:B
2016 6.0L V8 CNG Code:B
2018 6.0L V8 CNG Code:B
2019 6.0L V8 CNG Code:B
2020 6.0L V8 CNG Code:B
2010 6.0L V8 FLEX Code:G
2011 6.0L V8 FLEX Code:G
2012 6.0L V8 FLEX Code:G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2015 6.0L V8 FLEX Code:G
2016 6.0L V8 FLEX Code:G
2017 6.0L V8 FLEX Code:G
2018 6.0L V8 FLEX Code:G
2019 6.0L V8 FLEX Code:G
2020 6.0L V8 FLEX Code:G
2017 6.0L V8 Code:B,G
2018 6.0L V8 Code:B,G
2019 6.0L V8 Code:B,G
2020 6.0L V8 Code:B,G
2016 6.0L V8 Code:G
2009 6.0L V8 Code:K
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6,L
2011 6.6L V8 Turbo DIESEL Code:L
2012 6.6L V8 Turbo DIESEL Code:L
2013 6.6L V8 Turbo DIESEL Code:L
2014 6.6L V8 Turbo DIESEL Code:L
2015 6.6L V8 Turbo DIESEL Code:L
2016 6.6L V8 Turbo DIESEL Code:L
2021 6.6L V8 Code:7
2022 6.6L V8 Code:7
2023 6.6L V8 Code:7
2024 6.6L V8 Code:7

G20 (57)
1975 4.1L 250cid L6
1976 4.1L 250cid L6
1979 4.1L 250cid L6
1980 4.1L 250cid L6
1981 4.1L 250cid L6 Code:D
1982 4.1L 250cid L6 Code:D
1983 4.1L 250cid L6 Code:D
1984 4.1L 250cid L6 Code:D
1985 4.3L 262cid V6 Code:N
1986 4.3L 262cid V6 Code:N
1987 4.3L 262cid V6 Code:Z
1988 4.3L 262cid V6 Code:Z
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1980 5.0L 305cid V8
1982 5.0L 305cid V8 Code:F,H
1983 5.0L 305cid V8 Code:F,H
1984 5.0L 305cid V8 Code:F,H
1985 5.0L 305cid V8 Code:F,H
1986 5.0L 305cid V8 Code:F,H
1981 5.0L 305cid V8 Code:H
1987 5.0L 305cid V8 Code:H
1988 5.0L 305cid V8 Code:H
1989 5.0L 305cid V8 Code:H
1990 5.0L 305cid V8 Code:H
1991 5.0L V8 Code:H
1992 5.0L V8 Code:H
1993 5.0L V8 Code:H
1994 5.0L V8 Code:H
1995 5.0L V8 Code:H
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1987 5.7L 350cid V8 Code:K
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1983 5.7L 350cid V8 Code:L
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1987 6.2L 379cid V8 DIESEL Code:C
1988 6.2L 379cid V8 DIESEL Code:C
1989 6.2L 379cid V8 DIESEL Code:C
1990 6.2L 379cid V8 DIESEL Code:C
1983 6.2L 379cid V8 FI DIESEL Code:C
1986 6.2L 379cid V8 FI DIESEL Code:C
1984 6.2L 379cid V8 FI DIESEL Code:C,J
1985 6.2L 379cid V8 FI DIESEL Code:C,J
1991 6.2L V8 DIESEL Code:C
1992 6.2L V8 DIESEL Code:C
1993 6.2L V8 DIESEL Code:C
1994 6.5L V8 DIESEL Code:P
1995 6.5L V8 DIESEL Code:P
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1976 7.4L 454cid V8

G20 Van (66)
1967 3.8L 230cid L6
1968 3.8L 230cid L6
1969 3.8L 230cid L6
1968 3.8L 230cid L6 OHV
1969 3.8L 230cid L6 OHV
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1967 4.1L 250cid L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1967 4.6L 283cid V8
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 FI LPG
1974 4.8L 292cid L6 LPG
1971 4.8L 292cid L6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1969 5.0L 307cid V8 Code:U
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

G30 (68)
1976 4.1L 250cid L6
1978 4.1L 250cid L6
1979 4.1L 250cid L6
1981 4.1L 250cid L6 Code:D
1982 4.1L 250cid L6 Code:D
1983 4.1L 250cid L6 Code:D
1984 4.1L 250cid L6 Code:D
1987 4.3L 262cid V6 FI Code:Z
1988 4.3L 262cid V6 FI Code:Z
1985 4.3L 262cid V6 Code:N
1986 4.3L 262cid V6 Code:N
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1996 4.3L V6 Code:Z
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1978 5.0L 305cid V8
1979 5.0L 305cid V8
1982 5.0L 305cid V8 Code:F
1985 5.0L 305cid V8 Code:F
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1987 5.7L 350cid V8 4BBL Code:M
1988 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1981 5.7L 350cid V8 Code:M
1995 5.7L V8 CNG Code:K
1996 5.7L V8 CNG Code:K
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:K
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:C,J
1983 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1994 6.5L V8 DIESEL Code:Y
1995 6.5L V8 DIESEL Code:Y
1996 6.5L V8 DIESEL Code:Y
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1988 7.4L 454cid V8 FI Code:N
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1996 7.4L V8 Code:J,N
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

G30 Van (24)
1972 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1972 4.1L 250cid 4098cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 FI LPG
1974 4.8L 292cid L6 OHV
1972 5.7L 350cid V8
1973 5.7L 350cid V8
1974 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 4BBL
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 OHV
1974 7.4L 454cid V8 OHV

K20 (31)
1975 4.1L 250cid L6
1976 4.1L 250cid L6
1978 4.1L 250cid L6
1979 4.1L 250cid L6
1980 4.1L 250cid L6
1985 4.3L 262cid V6 Code:N
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1985 5.0L 305cid V8 Code:H
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1982 6.2L 379cid V8 FI DIESEL Code:C,J
1983 6.2L 379cid V8 FI DIESEL Code:C,J
1984 6.2L 379cid V8 FI DIESEL Code:C,J
1985 6.2L 379cid V8 FI DIESEL Code:C,J
1986 6.2L 379cid V8 FI DIESEL Code:C,J
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8

K20 Panel (6)
1967 4.1L 250cid L6
1967 4.6L 283cid V8
1967 5.4L 327cid V8

K20 Pickup (117)
1964 3.8L 230cid L6
1965 3.8L 230cid L6
1963 3.8L 230cid L6 1BBL
1960 3.8L 235cid L6
1961 3.8L 235cid L6
1962 3.8L 235cid L6 1BBL
1963 3.8L 235cid L6 1BBL
1962 3.8L 235cid L6 2BBL
1963 3.8L 235cid L6 2BBL
1966 4.1L 250cid 4097cc L6
1967 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1966 4.1L 250cid 4098cc L6
1967 4.1L 250cid 4098cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1961 4.3L 261cid L6 1BBL
1962 4.3L 261cid L6 1BBL
1961 4.3L 261cid L6 2BBL
1962 4.3L 261cid L6 2BBL
1960 4.6L 283cid V8
1961 4.6L 283cid V8
1962 4.6L 283cid V8
1963 4.6L 283cid V8
1964 4.6L 283cid V8
1965 4.6L 283cid V8
1966 4.6L 283cid V8
1967 4.6L 283cid V8
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1964 4.8L 292cid L6
1965 4.8L 292cid L6
1966 4.8L 292cid L6
1967 4.8L 292cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1963 4.8L 292cid L6 1BBL
1963 4.8L 292cid L6 2BBL
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1969 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1972 4.8L 292cid L6 Code:S
1972 4.8L 292cid L6 Code:T
1972 4.8L 292cid L6 Code:T OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1972 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1969 5.0L 307cid V8 Code:E
1971 5.0L 307cid V8 Code:F
1973 5.0L 307cid V8 Code:F
1966 5.3L 327cid V8 2BBL
1967 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 2BBL
1969 5.3L 327cid V8 2BBL
1966 5.3L 327cid V8 4BBL
1967 5.3L 327cid V8 4BBL
1968 5.3L 327cid V8 4BBL
1969 5.3L 327cid V8 4BBL
1968 5.4L 327cid V8
1960 5.7L 348cid V8 2BBL
1961 5.7L 348cid V8 2BBL
1960 5.7L 348cid V8 4BBL
1961 5.7L 348cid V8 4BBL
1970 5.7L 350cid V8 2BBL
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1968 6.5L 396cid V8 Code:E
1969 6.5L 396cid V8 Code:Y
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

K20 Suburban (103)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1967 4.1L 250cid L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1967 4.6L 283cid V8
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1967 4.8L 292cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1968 4.8L 292cid L6 OHV
1969 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1972 4.8L 292cid L6 Code:S
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1985 5.0L 305cid V8 Code:H
1986 5.0L 305cid V8 Code:H
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1969 5.0L 307cid V8 Code:E
1971 5.0L 307cid V8 Code:H
1967 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 2BBL
1969 5.3L 327cid V8 2BBL
1967 5.3L 327cid V8 4BBL
1968 5.3L 327cid V8 4BBL
1969 5.3L 327cid V8 4BBL
1968 5.4L 327cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1980 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1980 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1981 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:M
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1985 7.4L 454cid V8 Code:W
1973 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV

K2500 (41)
1988 4.3L 262cid V6 Code:Z
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1988 5.0L 305cid V8 Code:H
1989 5.0L 305cid V8 Code:H
1990 5.0L 305cid V8 Code:H
1991 5.0L V8 Code:H
1992 5.0L V8 Code:H
1993 5.0L V8 Code:H
1994 5.0L V8 Code:H
1995 5.0L V8 Code:H
1996 5.0L V8 Code:M
1997 5.0L V8 Code:M
1998 5.0L V8 Code:M
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1992 5.7L V8 CNG Code:K
1993 5.7L V8 CNG Code:K
1996 5.7L V8 CNG Code:R
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:C
1989 6.2L 379cid V8 DIESEL Code:C,J
1990 6.2L 379cid V8 DIESEL Code:C,J
1991 6.2L V8 DIESEL Code:C,J
1992 6.2L V8 DIESEL Code:C,J
1993 6.2L V8 DIESEL Code:C,J
1994 6.5L V8 DIESEL Code:P
1995 6.5L V8 DIESEL Code:P
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F,S
1995 6.5L V8 Turbo DIESEL Code:F,S
1997 6.5L V8 Turbo DIESEL Code:F,S
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

K2500 Suburban (10)
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

K30 (22)
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1981 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1977 7.4L 454cid V8
1980 7.4L 454cid V8
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W

K30 Pickup (47)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1972 4.8L 292cid L6 Code:S
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

K3500 (18)
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1988 7.4L 454cid V8 Code:N
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

P20 (20)
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1989 4.8L 292cid L6 Code:T
1975 5.7L 350cid V8
1976 5.7L 350cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1987 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI Code:K
1989 5.7L 350cid V8 FI Code:K
1981 5.7L 350cid V8 Code:M
1982 5.7L 350cid V8 Code:M
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J
1976 7.4L 454cid V8
1979 7.4L 454cid V8

P20 Series (32)
1966 2.6L 159cid L3 FI DIESEL
1967 2.6L 159cid L3 FI DIESEL
1963 3.8L 230cid L6
1964 3.8L 230cid L6
1965 3.8L 230cid L6
1960 3.8L 235cid L6
1961 3.8L 235cid L6
1962 3.8L 235cid L6 1BBL
1962 3.8L 235cid L6 2BBL
1966 4.1L 250cid 4097cc L6
1966 4.1L 250cid 4098cc L6
1967 4.1L 250cid L6
1961 4.3L 261cid L6 1BBL
1962 4.3L 261cid L6 1BBL
1961 4.3L 261cid L6 2BBL
1962 4.3L 261cid L6 2BBL
1961 4.6L 283cid V8
1962 4.6L 283cid V8
1964 4.8L 292cid L6
1965 4.8L 292cid L6
1966 4.8L 292cid L6
1967 4.8L 292cid L6
1963 4.8L 292cid L6 1BBL
1963 4.8L 292cid L6 2BBL
1960 5.7L 348cid V8 2BBL
1961 5.7L 348cid V8 2BBL
1960 5.7L 348cid V8 4BBL
1961 5.7L 348cid V8 4BBL

P20 Van (29)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1973 4.8L 292cid L6 OHV
1974 4.8L 292cid L6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1973 5.0L 307cid V8
1970 5.7L 350cid V8
1971 5.7L 350cid V8
1972 5.7L 350cid V8
1973 5.7L 350cid V8
1974 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 4BBL
1970 7.4L 454cid V8
1971 7.4L 454cid V8
1973 7.4L 454cid V8
1970 7.4L 454cid V8 OHV
1971 7.4L 454cid V8 OHV
1973 7.4L 454cid V8 OHV

P30 (69)
1990 3.9L 239cid L4 Turbo DIESEL Code:L
1991 3.9L L4 Turbo DIESEL Code:L
1976 4.1L 250cid L6
1979 4.1L 250cid L6
1990 4.3L 262cid V6 Code:Z
1996 4.3L V6 Code:W
1997 4.3L V6 Code:W
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1989 4.8L 292cid L6 Code:T
1976 5.7L 350cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1989 5.7L 350cid V8
1990 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1987 5.7L 350cid V8 4BBL Code:M
1988 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1989 5.7L 350cid V8 FI Code:K
1990 5.7L 350cid V8 Code:K
1981 5.7L 350cid V8 Code:M
1982 5.7L 350cid V8 Code:M
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:K,R
1995 5.7L V8 Code:R
1997 5.7L V8 Code:R
1990 6.2L 379cid V8 DIESEL Code:J
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1994 6.5L V8 DIESEL Code:Y
1995 6.5L V8 DIESEL Code:Y
1996 6.5L V8 DIESEL Code:Y
1997 6.5L V8 DIESEL Code:Y
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1976 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1990 7.4L 454cid V8 Code:N
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W
1987 7.4L 454cid V8 Code:W
1988 7.4L 454cid V8 Code:W
1989 7.4L 454cid V8 Code:W
1996 7.4L V8 Code:J,N
1997 7.4L V8 Code:J,N
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

P30 Van (33)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.1L 250cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 FI LPG
1973 4.8L 292cid L6 OHV
1974 4.8L 292cid L6 OHV
1973 5.0L 307cid V8
1972 5.7L 350cid V8
1973 5.7L 350cid V8
1974 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 4BBL
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 OHV
1974 7.4L 454cid V8 Code:L
1974 7.4L 454cid V8 Code:Z

R20 (12)
1987 4.3L 262cid V6 FI Code:Z
1988 4.3L 262cid V6 FI Code:Z
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1987 5.0L 305cid V8 FI Code:H
1988 5.0L 305cid V8 FI Code:H
1987 5.7L 350cid V8 FI Code:K
1988 5.7L 350cid V8 FI Code:K
1987 6.2L 379cid V8 FI DIESEL Code:C,J
1988 6.2L 379cid V8 FI DIESEL Code:C,J
1987 7.4L 454cid V8 FI Code:N
1988 7.4L 454cid V8 FI Code:N

R20 Suburban (6)
1987 5.7L 350cid V8 Code:K
1988 5.7L 350cid V8 Code:K
1987 6.2L 379cid V8 DIESEL Code:J
1988 6.2L 379cid V8 DIESEL Code:J
1987 7.4L 454cid V8 Code:N
1988 7.4L 454cid V8 Code:N

R2500 (6)
1989 5.7L 350cid V8 Code:K
1989 6.2L 379cid V8 DIESEL Code:J
1989 7.4L 454cid V8 Code:N

R2500 Suburban (12)
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1991 7.4L V8 Code:N

R30 (12)
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1987 5.7L 350cid V8 4BBL Code:M
1988 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1987 7.4L 454cid V8 4BBL Code:W
1988 7.4L 454cid V8 4BBL Code:W
1987 7.4L 454cid V8 FI TBI Code:N
1988 7.4L 454cid V8 FI TBI Code:N

R3500 (20)
1989 5.7L 350cid V8 FI Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1990 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1989 7.4L 454cid V8 4BBL Code:W
1989 7.4L 454cid V8 FI TBI Code:N
1990 7.4L 454cid V8 Code:N
1991 7.4L V8 Code:N

Silverado 2500 (11)
1999 5.3L V8 Code:T
2000 5.3L V8 Code:T
2001 5.3L V8 Code:T
2002 5.3L V8 Code:T
2003 5.3L V8 Code:T
2004 5.3L V8 Code:T
2000 5.7L V8 Code:R
2001 5.7L V8 Code:R
2002 5.7L V8 Code:R
2002 6.0L V8 BI-FUEL Code:U
2002 6.0L V8 CNG Code:U
1999 6.0L V8 Code:U
2000 6.0L V8 Code:U
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U

Silverado 2500 HD (20)
2002 6.0L V8 BI-FUEL Code:U
2002 6.0L V8 CNG Code:U
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2010 6.0L V8 FLEX Code:G
2007 6.0L V8 Code:K
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2010 6.0L V8 Code:K
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2001 6.6L V8 Turbo DIESEL Code:1
2002 6.6L V8 Turbo DIESEL Code:1
2003 6.6L V8 Turbo DIESEL Code:1
2004 6.6L V8 Turbo DIESEL Code:1,2
2005 6.6L V8 Turbo DIESEL Code:1,2
2006 6.6L V8 Turbo DIESEL Code:2,D
2007 6.6L V8 Turbo DIESEL Code:6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G
2003 8.1L V8 Code:G
2004 8.1L V8 Code:G
2005 8.1L V8 Code:G
2006 8.1L V8 Code:G

Silverado 2500 HD Classic (6)
2007 6.0L V8 Code:U
2007 6.6L V8 Turbo DIESEL Code:D
2007 8.1L V8 Code:G

Silverado 3500 (18)
2001 5.7L V8 Code:R
2002 5.7L V8 Code:R
2003 5.7L V8 Code:R
2004 5.7L V8 Code:R
2005 5.7L V8 Code:R
2006 5.7L V8 Code:R
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2001 6.6L V8 Turbo DIESEL Code:1
2002 6.6L V8 Turbo DIESEL Code:1
2003 6.6L V8 Turbo DIESEL Code:1
2004 6.6L V8 Turbo DIESEL Code:1,2
2005 6.6L V8 Turbo DIESEL Code:2
2006 6.6L V8 Turbo DIESEL Code:2,D
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G
2003 8.1L V8 Code:G
2004 8.1L V8 Code:G
2005 8.1L V8 Code:G
2006 8.1L V8 Code:G

Silverado 3500 Classic (6)
2007 6.0L V8 Code:U
2007 6.6L V8 Turbo DIESEL Code:D
2007 8.1L V8 Code:G

Silverado 3500 HD (14)
2010 6.0L V8 FLEX Code:G
2011 6.0L V8 FLEX Code:G
2012 6.0L V8 FLEX Code:G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2011 6.0L V8 Code:G
2012 6.0L V8 Code:G
2013 6.0L V8 Code:G
2014 6.0L V8 Code:G
2007 6.0L V8 Code:K
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2010 6.0L V8 Code:K
2007 6.6L V8 Turbo DIESEL Code:6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6
2013 6.6L V8 Turbo DIESEL Code:8
2014 6.6L V8 Turbo DIESEL Code:8
2011 6.6L V8 Turbo DIESEL Code:8,L
2012 6.6L V8 Turbo DIESEL Code:8,L

Suburban (32)
1963 3.8L 230cid L6
1964 3.8L 230cid L6
1965 3.8L 230cid L6
1966 3.8L 230cid L6
1960 3.8L 235cid L6
1961 3.8L 235cid L6
1962 3.8L 235cid L6 1BBL
1962 3.8L 235cid L6 2BBL
1966 4.1L 250cid 4097cc L6
1966 4.1L 250cid 4098cc L6
1961 4.3L 261cid L6 1BBL
1962 4.3L 261cid L6 1BBL
1961 4.3L 261cid L6 2BBL
1962 4.3L 261cid L6 2BBL
1960 4.6L 283cid V8
1961 4.6L 283cid V8
1962 4.6L 283cid V8
1963 4.6L 283cid V8
1964 4.6L 283cid V8
1965 4.6L 283cid V8
1966 4.6L 283cid V8
1964 4.8L 292cid L6
1965 4.8L 292cid L6
1966 4.8L 292cid L6
1963 4.8L 292cid L6 1BBL
1963 4.8L 292cid L6 2BBL
1966 5.3L 327cid V8 2BBL
1966 5.3L 327cid V8 4BBL
1960 5.7L 348cid V8 2BBL
1961 5.7L 348cid V8 2BBL
1960 5.7L 348cid V8 4BBL
1961 5.7L 348cid V8 4BBL

Suburban 2500 (9)
2010 6.0L V8 Code:G
2007 6.0L V8 Code:K
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2000 6.0L V8 Code:U
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G
2003 8.1L V8 Code:G
2004 8.1L V8 Code:G
2005 8.1L V8 Code:G
2006 8.1L V8 Code:G

Truck (16)
1942 3.5L 216cid L6
1943 3.5L 216cid L6
1944 3.5L 216cid L6
1945 3.5L 216cid L6
1946 3.5L 216cid L6
1947 3.5L 216cid L6
1948 3.5L 216cid L6
1949 3.5L 216cid L6
1950 3.5L 216cid L6
1951 3.5L 216cid L6
1952 3.5L 216cid L6
1953 3.5L 216cid L6
1942 3.8L 235cid L6
1943 3.8L 235cid L6
1944 3.8L 235cid L6
1945 3.8L 235cid L6
1946 3.8L 235cid L6
1947 3.8L 235cid L6
1948 3.8L 235cid L6
1949 3.8L 235cid L6
1950 3.8L 235cid L6
1951 3.8L 235cid L6
1952 3.8L 235cid L6
1953 3.8L 235cid L6
1954 3.8L 235cid L6
1955 3.8L 235cid L6
1956 3.8L 235cid L6
1957 3.8L 235cid L6
1954 4.3L 261cid L6 1BBL
1955 4.3L 261cid L6 1BBL
1956 4.3L 261cid L6 1BBL
1957 4.3L 261cid L6 1BBL
1954 4.3L 261cid L6 2BBL
1955 4.3L 261cid L6 2BBL
1956 4.3L 261cid L6 2BBL
1957 4.3L 261cid L6 2BBL
1955 4.3L 265cid V8 2BBL
1956 4.3L 265cid V8 2BBL
1957 4.3L 265cid V8 2BBL
1957 4.6L 283cid V8
1956 5.3L 322cid V8
1957 5.3L 322cid V8
1955 5.3L 324cid V8
1956 5.3L 324cid V8

V20 (6)
1987 4.8L 292cid L6 Code:T
1987 5.7L 350cid V8 FI Code:K
1987 6.2L 379cid V8 FI DIESEL Code:C,J

V20 Suburban (6)
1987 5.7L 350cid V8 Code:K
1988 5.7L 350cid V8 Code:K
1987 6.2L 379cid V8 DIESEL Code:J
1988 6.2L 379cid V8 DIESEL Code:J
1987 7.4L 454cid V8 Code:N
1988 7.4L 454cid V8 Code:N

V2500 Suburban (10)
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1990 7.4L 454cid V8 Code:N

V30 (12)
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1987 5.7L 350cid V8 4BBL Code:M
1988 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1987 7.4L 454cid V8 4BBL Code:W
1988 7.4L 454cid V8 4BBL Code:W
1987 7.4L 454cid V8 FI TBI Code:N
1988 7.4L 454cid V8 FI TBI Code:N

V3500 (20)
1989 5.7L 350cid V8 FI Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1990 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1989 7.4L 454cid V8 4BBL Code:W
1989 7.4L 454cid V8 FI TBI Code:N
1990 7.4L 454cid V8 Code:N
1991 7.4L V8 Code:N


GMC (108)
100 (18)
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1956 4.4L 270cid L6
1957 4.4L 270cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1956 5.2L 316cid V8
1956 5.3L 322cid V8
1957 5.3L 322cid V8
1955 5.3L 324cid V8
1956 5.3L 324cid V8
1957 5.7L 347cid V8
1957 6.1L 370cid V8

150 (18)
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1956 4.4L 270cid L6
1957 4.4L 270cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1956 5.2L 316cid V8
1956 5.3L 322cid V8
1957 5.3L 322cid V8
1955 5.3L 324cid V8
1956 5.3L 324cid V8
1957 5.7L 347cid V8
1957 6.1L 370cid V8

250 (20)
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1956 4.4L 270cid L6
1957 4.4L 270cid L6
1958 4.4L 270cid L6
1959 4.4L 270cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1956 5.2L 316cid V8
1956 5.3L 322cid V8
1957 5.3L 322cid V8
1958 5.3L 322cid V8
1959 5.3L 322cid V8
1955 5.3L 324cid V8
1956 5.3L 324cid V8
1958 5.5L 337cid V8
1959 5.5L 337cid V8
1957 5.7L 347cid V8
1957 6.1L 370cid V8
1958 6.1L 370cid V8
1959 6.1L 370cid V8

2500 (2)
1966 4.1L 250cid L6

100-22 (11)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1955 5.3L 324cid V8

100-24 (4)
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6

102-22 (2)
1952 3.7L 228cid L6
1953 3.7L 228cid L6

150-22 (11)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1955 5.3L 324cid V8

150-24 (4)
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6

250-22 (10)
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1955 5.3L 324cid V8

250-24 (4)
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6

2500 Series (16)
1963 3.8L 230cid L6
1964 3.8L 230cid L6
1965 3.8L 230cid L6
1961 4.3L 261cid L6 1BBL
1962 4.3L 261cid L6 1BBL
1961 4.3L 261cid L6 2BBL
1962 4.3L 261cid L6 2BBL
1960 4.4L 270cid L6
1961 4.4L 270cid L6
1962 4.4L 270cid L6
1960 4.6L 283cid V8
1961 4.6L 283cid V8
1962 4.6L 283cid V8
1963 4.6L 283cid V8
1963 4.8L 292cid L6
1964 4.8L 292cid L6
1965 4.8L 292cid L6
1960 5.0L 305cid V6
1961 5.0L 305cid V6
1962 5.0L 305cid V6
1963 5.0L 305cid V6
1964 5.0L 305cid V6
1965 5.0L 305cid V6
1965 5.7L 351cid V6

253-22 (2)
1952 3.7L 228cid L6
1953 3.7L 228cid L6

280-22 (10)
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1955 5.3L 324cid V8

AC100 (2)
1939 Undefined
1940 Undefined

AC150 (2)
1939 Undefined
1940 Undefined

AC250 (2)
1939 Undefined
1940 Undefined

C25 (20)
1975 4.1L 250cid L6
1977 4.1L 250cid L6
1978 4.1L 250cid L6
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8

C25 Suburban (16)
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1978 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8

C25/C2500 Pickup (100)
1967 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1967 4.1L 250cid 4098cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1967 4.6L 283cid V8
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1967 4.8L 292cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1968 4.8L 292cid L6 OHV
1969 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1972 4.8L 292cid L6 Code:S
1967 5.0L 305cid V6
1968 5.0L 305cid V6
1969 5.0L 305cid V6
1968 5.0L 305cid V6 OHV
1969 5.0L 305cid V6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1970 5.0L 307cid V8 Code:B
1969 5.0L 307cid V8 Code:E
1971 5.0L 307cid V8 Code:H
1971 5.0L 307cid V8 Code:P
1967 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 2BBL
1967 5.3L 327cid V8 4BBL
1968 5.3L 327cid V8 4BBL
1968 5.4L 327cid V8
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1967 5.7L 351cid V6
1968 5.7L 351cid V6
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1968 6.5L 396cid V8 Code:E
1969 6.5L 396cid V8 Code:E
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

C25/C2500 Suburban (86)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1968 4.8L 292cid L6 OHV
1969 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1972 4.8L 292cid L6 Code:S
1968 5.0L 305cid V6
1969 5.0L 305cid V6
1969 5.0L 305cid V6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1970 5.0L 307cid V8 Code:B
1971 5.0L 307cid V8 Code:H
1971 5.0L 307cid V8 Code:P
1969 5.0L 307cid V8 Code:U
1968 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 4BBL
1968 5.4L 327cid V8
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1968 5.7L 351cid V6
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1968 6.5L 396cid V8 Code:E
1969 6.5L 396cid V8 Code:Y
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1974 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z OHV

C2500 (69)
1979 4.1L 250cid L6
1980 4.1L 250cid L6
1981 4.1L 250cid L6 Code:D
1982 4.1L 250cid L6 Code:D
1983 4.1L 250cid L6 Code:D
1984 4.1L 250cid L6 Code:D
1985 4.3L 262cid V6 Code:N
1986 4.3L 262cid V6 Code:N
1988 4.3L 262cid V6 Code:Z
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1980 5.0L 305cid V8
1981 5.0L 305cid V8 Code:H
1982 5.0L 305cid V8 Code:H
1983 5.0L 305cid V8 Code:H
1984 5.0L 305cid V8 Code:H
1985 5.0L 305cid V8 Code:H
1986 5.0L 305cid V8 Code:H
1988 5.0L 305cid V8 Code:H
1989 5.0L 305cid V8 Code:H
1990 5.0L 305cid V8 Code:H
1991 5.0L V8 Code:H
1992 5.0L V8 Code:H
1993 5.0L V8 Code:H
1994 5.0L V8 Code:H
1995 5.0L V8 Code:H
1996 5.0L V8 Code:M
1997 5.0L V8 Code:M
1998 5.0L V8 Code:M
1999 5.0L V8 Code:M
1979 5.7L 350cid V8
1980 5.7L 350cid V8 2BBL
1980 5.7L 350cid V8 4BBL
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1992 5.7L V8 CNG Code:K
1993 5.7L V8 CNG Code:K
1996 5.7L V8 CNG Code:R
1997 5.7L V8 CNG Code:R
1998 5.7L V8 CNG Code:R
1999 5.7L V8 CNG Code:R
2000 5.7L V8 CNG Code:R
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:C
1989 6.2L 379cid V8 DIESEL Code:C,J
1990 6.2L 379cid V8 DIESEL Code:C,J
1982 6.2L 379cid V8 FI DIESEL Code:C,J
1983 6.2L 379cid V8 FI DIESEL Code:C,J
1984 6.2L 379cid V8 FI DIESEL Code:C,J
1985 6.2L 379cid V8 FI DIESEL Code:C,J
1986 6.2L 379cid V8 FI DIESEL Code:C,J
1991 6.2L V8 DIESEL Code:C,J
1992 6.2L V8 DIESEL Code:C,J
1993 6.2L V8 DIESEL Code:C,J
1994 6.5L V8 DIESEL Code:P
1995 6.5L V8 DIESEL Code:P
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F,S
1995 6.5L V8 Turbo DIESEL Code:F,S
1996 6.5L V8 Turbo DIESEL Code:F,S
1997 6.5L V8 Turbo DIESEL Code:F,S
1998 6.5L V8 Turbo DIESEL Code:F,S
1979 6.6L 400cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

C2500 Suburban (33)
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1982 5.0L 305cid V8 Code:H
1983 5.0L 305cid V8 Code:H
1984 5.0L 305cid V8 Code:H
1985 5.0L 305cid V8 Code:H
1986 5.0L 305cid V8 Code:H
1979 5.7L 350cid V8
1980 5.7L 350cid V8 4BBL
1980 5.7L 350cid V8 FI MFI DIESEL
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
1982 6.2L 379cid V8 FI DIESEL Code:C,J
1983 6.2L 379cid V8 FI DIESEL Code:C,J
1984 6.2L 379cid V8 FI DIESEL Code:C,J
1985 6.2L 379cid V8 FI DIESEL Code:C,J
1986 6.2L 379cid V8 FI DIESEL Code:C,J
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
1980 6.6L 400cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

C35 (20)
1975 4.1L 250cid L6
1978 4.1L 250cid L6
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1978 5.0L 305cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8

C35/C3500 Pickup (48)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1972 4.8L 292cid L6 Code:S
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

C3500 (43)
1979 4.1L 250cid L6
1980 4.1L 250cid L6
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1986 5.0L 305cid V8 Code:H
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1981 5.7L 350cid V8 Code:M
1982 5.7L 350cid V8 Code:M
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1997 5.7L V8 CNG Code:R
1998 5.7L V8 CNG Code:R
1999 5.7L V8 CNG Code:R
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F,S
1979 6.6L 400cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1988 7.4L 454cid V8 Code:N
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

C3500HD (10)
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

CC100 (4)
1942 3.7L 228cid L6
1943 3.7L 228cid L6
1944 3.7L 228cid L6
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

CC101 (2)
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6

CC102 (2)
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6

CC150 (4)
1942 3.7L 228cid L6
1943 3.7L 228cid L6
1944 3.7L 228cid L6
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

CC250 (4)
1942 3.7L 228cid L6
1943 3.7L 228cid L6
1944 3.7L 228cid L6
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

CC260 (5)
1942 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

CCV100 (4)
1942 3.7L 228cid L6
1943 3.7L 228cid L6
1944 3.7L 228cid L6
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

CCX250 (4)
1942 3.7L 228cid L6
1943 3.7L 228cid L6
1944 3.7L 228cid L6
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

EC100 (4)
1942 3.7L 228cid L6
1943 3.7L 228cid L6
1944 3.7L 228cid L6
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

EC101 (2)
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6

EC102 (2)
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6

EC150 (4)
1942 3.7L 228cid L6
1943 3.7L 228cid L6
1944 3.7L 228cid L6
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6
1941 Undefined

EC152 (2)
1945 3.7L 228cid L6
1946 3.7L 228cid L6
1947 3.7L 228cid L6

EC250 (2)
1947 3.7L 228cid L6

EC251 (2)
1947 3.7L 228cid L6

EC252 (2)
1947 3.7L 228cid L6

EC280 (2)
1947 3.7L 228cid L6

EC282 (2)
1947 3.7L 228cid L6

EC283 (2)
1947 3.7L 228cid L6

EF-241 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6

EF-242 (2)
1948 3.7L 228cid L6
1949 3.7L 228cid L6

FC100 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6
1951 3.7L 228cid L6
1952 3.7L 228cid L6

FC100-22 (2)
1952 3.7L 228cid L6

FC101 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC102 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC150 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6
1951 3.7L 228cid L6
1952 3.7L 228cid L6

FC152 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC250 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC251 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC252 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC253 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC280 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC281 (2)
1947 3.7L 228cid L6
1948 3.7L 228cid L6
1949 3.7L 228cid L6
1950 3.7L 228cid L6

FC283 (2)
1947 3.7L 228cid L6

FP152 (2)
1949 3.7L 228cid L6
1950 3.7L 228cid L6

G25 (16)
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8

G25/G2500 Van (38)
1967 3.8L 230cid L6
1968 3.8L 230cid L6
1969 3.8L 230cid L6
1972 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1972 4.1L 250cid 4098cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1967 4.1L 250cid L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1967 4.6L 283cid V8
1974 4.8L 292cid L6
1974 4.8L 292cid L6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1967 5.4L 327cid V8
1970 5.7L 350cid V8
1972 5.7L 350cid V8
1973 5.7L 350cid V8
1971 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1971 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL

G2500 (38)
1979 4.1L 250cid L6
1980 4.1L 250cid L6
1981 4.1L 250cid L6 Code:D
1982 4.1L 250cid L6 Code:D
1983 4.1L 250cid L6 Code:D
1984 4.1L 250cid L6 Code:D
1985 4.3L 262cid V6 Code:N
1986 4.3L 262cid V6 Code:N
1987 4.3L 262cid V6 Code:Z
1988 4.3L 262cid V6 Code:Z
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1982 5.0L 305cid V8 Code:F,H
1983 5.0L 305cid V8 Code:F,H
1984 5.0L 305cid V8 Code:F,H
1985 5.0L 305cid V8 Code:F,H
1986 5.0L 305cid V8 Code:F,H
1981 5.0L 305cid V8 Code:H
1987 5.0L 305cid V8 Code:H
1988 5.0L 305cid V8 Code:H
1989 5.0L 305cid V8 Code:H
1990 5.0L 305cid V8 Code:H
1991 5.0L V8 Code:H
1992 5.0L V8 Code:H
1993 5.0L V8 Code:H
1994 5.0L V8 Code:H
1995 5.0L V8 Code:H
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1987 5.7L 350cid V8 Code:K
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1982 5.7L 350cid V8 Code:L
1981 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1987 6.2L 379cid V8 DIESEL Code:C
1988 6.2L 379cid V8 DIESEL Code:C
1989 6.2L 379cid V8 DIESEL Code:C
1990 6.2L 379cid V8 DIESEL Code:C
1983 6.2L 379cid V8 FI DIESEL Code:C
1984 6.2L 379cid V8 FI DIESEL Code:C
1985 6.2L 379cid V8 FI DIESEL Code:C
1986 6.2L 379cid V8 FI DIESEL Code:C
1991 6.2L V8 DIESEL Code:C
1992 6.2L V8 DIESEL Code:C
1993 6.2L V8 DIESEL Code:C
1994 6.5L V8 DIESEL Code:P
1995 6.5L V8 DIESEL Code:P
1979 6.6L 400cid V8
1980 6.6L 400cid V8

G35 (17)
1978 4.1L 250cid L6
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1976 7.4L 454cid V8

G35/G3500 Van (33)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1974 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4801cc L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1973 7.4L 454cid V8
1974 7.4L 454cid V8

G3500 (50)
1979 4.1L 250cid L6
1982 4.1L 250cid L6 Code:D
1983 4.1L 250cid L6 Code:D
1984 4.1L 250cid L6 Code:D
1987 4.3L 262cid V6 FI Code:Z
1988 4.3L 262cid V6 FI Code:Z
1985 4.3L 262cid V6 Code:N
1986 4.3L 262cid V6 Code:N
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1996 4.3L V6 Code:Z
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1984 5.7L 350cid V8 2BBL Code:E
1984 5.7L 350cid V8 4BBL Code:L,M
1987 5.7L 350cid V8 4BBL Code:L,M
1988 5.7L 350cid V8 4BBL Code:L,M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1981 5.7L 350cid V8 Code:M
1995 5.7L V8 CNG Code:K
1996 5.7L V8 CNG Code:K
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:K
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1994 6.5L V8 DIESEL Code:Y
1995 6.5L V8 DIESEL Code:Y
1996 6.5L V8 DIESEL Code:Y
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1988 7.4L 454cid V8 FI Code:N
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1996 7.4L V8 Code:J,N
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

I2500 (4)
1965 3.8L 230cid L6
1966 4.1L 250cid L6

K25 (22)
1975 4.1L 250cid L6
1976 4.1L 250cid L6
1978 4.1L 250cid L6
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8

K25 Suburban (18)
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1977 5.0L 305cid V8
1978 5.0L 305cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 5.7L 350cid V8 2BBL
1976 5.7L 350cid V8 2BBL
1975 5.7L 350cid V8 4BBL
1976 5.7L 350cid V8 4BBL
1975 6.6L 400cid V8
1976 6.6L 400cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8

K25/K2500 Pickup (96)
1967 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1967 4.1L 250cid 4098cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1967 4.6L 283cid V8
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1967 4.8L 292cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1968 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1972 4.8L 292cid L6 Code:S
1967 5.0L 305cid V6
1968 5.0L 305cid V6
1969 5.0L 305cid V6
1968 5.0L 305cid V6 OHV
1969 5.0L 305cid V6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1972 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1970 5.0L 307cid V8 Code:B
1969 5.0L 307cid V8 Code:E
1971 5.0L 307cid V8 Code:H
1967 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 2BBL
1967 5.3L 327cid V8 4BBL
1968 5.3L 327cid V8 4BBL
1968 5.4L 327cid V8
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1967 5.7L 351cid V6
1968 5.7L 351cid V6
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1968 6.5L 396cid V8 Code:E
1969 6.5L 396cid V8 Code:E
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

K25/K2500 Suburban (78)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1968 4.1L 250cid L6
1969 4.1L 250cid L6
1970 4.1L 250cid L6
1971 4.1L 250cid L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1968 4.8L 292cid L6 OHV
1969 4.8L 292cid L6 OHV
1970 4.8L 292cid L6 OHV
1971 4.8L 292cid L6 OHV
1972 4.8L 292cid L6 Code:S
1968 5.0L 305cid V6
1969 5.0L 305cid V6
1969 5.0L 305cid V6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1968 5.0L 307cid V8 OHV
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1970 5.0L 307cid V8 Code:A
1969 5.0L 307cid V8 Code:E
1971 5.0L 307cid V8 Code:H
1968 5.3L 327cid V8 2BBL
1968 5.3L 327cid V8 4BBL
1968 5.4L 327cid V8
1971 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1969 5.7L 350cid V8 2BBL LPG
1970 5.7L 350cid V8 2BBL LPG
1971 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1969 5.7L 350cid V8 4BBL
1970 5.7L 350cid V8 4BBL
1971 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1969 5.7L 350cid V8 4BBL LPG
1970 5.7L 350cid V8 4BBL LPG
1971 5.7L 350cid V8 4BBL LPG
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1974 5.7L 350cid V8 4BBL LPG
1968 5.7L 351cid V6
1968 6.5L 396cid V8
1969 6.5L 396cid V8
1968 6.5L 396cid V8 Code:Y
1970 6.6L 402cid V8
1971 6.6L 402cid V8
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1974 7.4L 454cid V8 Code:Z

K2500 (55)
1980 4.1L 250cid L6
1985 4.3L 262cid V6 Code:N
1988 4.3L 262cid V6 Code:Z
1989 4.3L 262cid V6 Code:Z
1990 4.3L 262cid V6 Code:Z
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1988 5.0L 305cid V8 Code:H
1989 5.0L 305cid V8 Code:H
1990 5.0L 305cid V8 Code:H
1991 5.0L V8 Code:H
1992 5.0L V8 Code:H
1993 5.0L V8 Code:H
1994 5.0L V8 Code:H
1995 5.0L V8 Code:H
1998 5.0L V8 Code:M
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:L,M
1983 5.7L 350cid V8 Code:L,M
1984 5.7L 350cid V8 Code:L,M
1985 5.7L 350cid V8 Code:L,M
1986 5.7L 350cid V8 Code:L,M
1992 5.7L V8 CNG Code:K
1993 5.7L V8 CNG Code:K
1996 5.7L V8 CNG Code:R
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:C
1989 6.2L 379cid V8 DIESEL Code:C,J
1990 6.2L 379cid V8 DIESEL Code:C,J
1982 6.2L 379cid V8 FI DIESEL Code:C,J
1983 6.2L 379cid V8 FI DIESEL Code:C,J
1984 6.2L 379cid V8 FI DIESEL Code:C,J
1985 6.2L 379cid V8 FI DIESEL Code:C,J
1986 6.2L 379cid V8 FI DIESEL Code:C,J
1991 6.2L V8 DIESEL Code:C,J
1992 6.2L V8 DIESEL Code:C,J
1993 6.2L V8 DIESEL Code:C,J
1994 6.5L V8 DIESEL Code:P
1995 6.5L V8 DIESEL Code:P
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F,S
1995 6.5L V8 Turbo DIESEL Code:F,S
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

K2500 Suburban (26)
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1981 5.7L 350cid V8 Code:L,M
1982 5.7L 350cid V8 Code:M
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

K35 (6)
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1977 6.6L 400cid V8
1978 6.6L 400cid V8

K35/K3500 Pickup (48)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.1L 250cid L6
1973 4.1L 250cid L6 LPG
1974 4.1L 250cid L6 LPG
1972 4.1L 250cid L6 Code:D
1973 4.8L 292cid 4786cc L6
1974 4.8L 292cid 4786cc L6
1973 4.8L 292cid 4801cc L6
1974 4.8L 292cid 4801cc L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1974 4.8L 292cid L6 LPG
1974 4.8L 292cid L6 LPG OHV
1972 4.8L 292cid L6 Code:S
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1972 5.0L 307cid V8 OHV
1973 5.0L 307cid V8 OHV
1972 5.7L 350cid V8 2BBL
1974 5.7L 350cid V8 2BBL
1972 5.7L 350cid V8 2BBL LPG
1973 5.7L 350cid V8 2BBL LPG
1974 5.7L 350cid V8 2BBL LPG
1972 5.7L 350cid V8 4BBL
1973 5.7L 350cid V8 4BBL
1974 5.7L 350cid V8 4BBL
1972 5.7L 350cid V8 4BBL LPG
1973 5.7L 350cid V8 4BBL LPG
1972 6.6L 402cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 Code:Z
1974 7.4L 454cid V8 Code:Z
1973 7.4L 454cid V8 Code:Z OHV
1974 7.4L 454cid V8 Code:Z OHV

K3500 (34)
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1981 5.7L 350cid V8 Code:M
1982 5.7L 350cid V8 Code:M
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
1988 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1992 6.5L V8 Turbo DIESEL Code:F
1993 6.5L V8 Turbo DIESEL Code:F
1994 6.5L V8 Turbo DIESEL Code:F
1995 6.5L V8 Turbo DIESEL Code:F
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
1979 6.6L 400cid V8
1980 6.6L 400cid V8
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1988 7.4L 454cid V8 Code:N
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

P150-22 (4)
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6

P152 (2)
1950 3.7L 228cid L6
1951 3.7L 228cid L6

P25 (5)
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1975 5.7L 350cid V8
1976 5.7L 350cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8

P25/P2500 Van (35)
1967 2.6L 159cid L3 FI DIESEL
1968 2.6L 159cid L3 FI DIESEL
1969 2.6L 159cid L3 FI DIESEL
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1967 4.1L 250cid L6
1970 4.1L 250cid L6
1972 4.1L 250cid L6
1967 4.6L 283cid V8
1967 4.8L 292cid L6
1968 4.8L 292cid L6
1969 4.8L 292cid L6
1970 4.8L 292cid L6
1971 4.8L 292cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1973 4.8L 292cid L6 OHV
1974 4.8L 292cid L6 OHV
1968 5.0L 307cid V8
1969 5.0L 307cid V8
1970 5.0L 307cid V8
1971 5.0L 307cid V8
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1970 5.7L 350cid V8
1971 5.7L 350cid V8
1972 5.7L 350cid V8
1973 5.7L 350cid V8
1974 5.7L 350cid V8
1971 6.6L 400cid V8
1972 6.6L 400cid V8
1970 7.4L 454cid V8
1971 7.4L 454cid V8
1970 7.4L 454cid V8 OHV
1971 7.4L 454cid V8 OHV

P2500 (19)
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1987 4.8L 292cid L6 Code:T
1989 4.8L 292cid L6 Code:T
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1989 5.7L 350cid V8 FI Code:K
1988 5.7L 350cid V8 Code:K
1981 5.7L 350cid V8 Code:M
1982 5.7L 350cid V8 Code:M
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1987 5.7L 350cid V8 Code:M
1988 6.2L 379cid V8 DIESEL Code:J
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J

P252 (2)
1951 3.7L 228cid L6

P253 (2)
1951 3.7L 228cid L6

P35 (9)
1975 4.8L 292cid L6
1976 4.8L 292cid L6
1977 4.8L 292cid L6
1978 4.8L 292cid L6
1975 5.7L 350cid V8
1976 5.7L 350cid V8
1977 5.7L 350cid V8
1978 5.7L 350cid V8
1975 7.4L 454cid V8
1976 7.4L 454cid V8
1977 7.4L 454cid V8
1978 7.4L 454cid V8

P35/P3500 Van (28)
1973 4.1L 250cid 4097cc L6
1974 4.1L 250cid 4097cc L6
1973 4.1L 250cid 4098cc L6
1974 4.1L 250cid 4098cc L6
1972 4.1L 250cid L6
1972 4.8L 292cid L6
1973 4.8L 292cid L6
1974 4.8L 292cid L6
1973 4.8L 292cid L6 OHV
1974 4.8L 292cid L6 OHV
1972 5.0L 307cid V8
1973 5.0L 307cid V8
1972 5.7L 350cid V8
1973 5.7L 350cid V8
1974 5.7L 350cid V8
1972 6.6L 400cid V8
1973 7.4L 454cid V8
1974 7.4L 454cid V8
1973 7.4L 454cid V8 OHV
1974 7.4L 454cid V8 Code:L
1974 7.4L 454cid V8 Code:Z

P3500 (60)
1989 3.9L 239cid L4 FI Turbo DIESEL Code:L
1990 3.9L 239cid L4 Turbo DIESEL Code:L
1991 3.9L L4 Turbo DIESEL Code:L
1990 4.3L 262cid V6 Code:Z
1996 4.3L V6 Code:W
1997 4.3L V6 Code:W
1998 4.3L V6 Code:W
1999 4.3L V6 Code:W
1991 4.3L V6 Code:Z
1992 4.3L V6 Code:Z
1993 4.3L V6 Code:Z
1994 4.3L V6 Code:Z
1995 4.3L V6 Code:Z
1979 4.8L 292cid L6
1980 4.8L 292cid L6
1981 4.8L 292cid L6 Code:T
1982 4.8L 292cid L6 Code:T
1983 4.8L 292cid L6 Code:T
1984 4.8L 292cid L6 Code:T
1985 4.8L 292cid L6 Code:T
1986 4.8L 292cid L6 Code:T
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1989 4.8L 292cid L6 Code:T
1979 5.7L 350cid V8
1980 5.7L 350cid V8
1987 5.7L 350cid V8 4BBL Code:M
1988 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1989 5.7L 350cid V8 FI Code:K
1990 5.7L 350cid V8 Code:K
1981 5.7L 350cid V8 Code:M
1982 5.7L 350cid V8 Code:M
1983 5.7L 350cid V8 Code:M
1984 5.7L 350cid V8 Code:M
1985 5.7L 350cid V8 Code:M
1986 5.7L 350cid V8 Code:M
1991 5.7L V8 Code:K
1992 5.7L V8 Code:K
1993 5.7L V8 Code:K
1994 5.7L V8 Code:K
1995 5.7L V8 Code:K
1996 5.7L V8 Code:K,R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
1990 6.2L 379cid V8 DIESEL Code:J
1982 6.2L 379cid V8 FI DIESEL Code:J
1983 6.2L 379cid V8 FI DIESEL Code:J
1984 6.2L 379cid V8 FI DIESEL Code:J
1985 6.2L 379cid V8 FI DIESEL Code:J
1986 6.2L 379cid V8 FI DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1992 6.2L V8 DIESEL Code:J
1993 6.2L V8 DIESEL Code:J
1994 6.5L V8 DIESEL Code:Y
1995 6.5L V8 DIESEL Code:Y
1996 6.5L V8 DIESEL Code:Y
1997 6.5L V8 DIESEL Code:Y
1998 6.5L V8 DIESEL Code:Y
1999 6.5L V8 DIESEL Code:Y
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
1979 7.4L 454cid V8
1980 7.4L 454cid V8
1990 7.4L 454cid V8 Code:N
1981 7.4L 454cid V8 Code:W
1982 7.4L 454cid V8 Code:W
1983 7.4L 454cid V8 Code:W
1984 7.4L 454cid V8 Code:W
1985 7.4L 454cid V8 Code:W
1986 7.4L 454cid V8 Code:W
1987 7.4L 454cid V8 Code:W
1988 7.4L 454cid V8 Code:W
1989 7.4L 454cid V8 Code:W
1998 7.4L V8 Code:B,J
1999 7.4L V8 Code:B,J
1996 7.4L V8 Code:J,N
1997 7.4L V8 Code:J,N
1991 7.4L V8 Code:N
1992 7.4L V8 Code:N
1993 7.4L V8 Code:N
1994 7.4L V8 Code:N
1995 7.4L V8 Code:N

PB25 Series (6)
1966 4.1L 250cid 4097cc L6
1966 4.1L 250cid 4098cc L6
1966 4.8L 292cid L6

PB2500 Series (8)
1965 2.5L 153cid L4
1963 3.8L 230cid L6
1964 3.8L 230cid L6
1965 3.8L 230cid L6
1965 4.8L 292cid L6
1965 5.0L 305cid V6

PB2500 Van (2)
1966 4.1L 250cid L6

R2500 (20)
1987 4.3L 262cid V6 FI Code:Z
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1987 5.0L 305cid V8 FI Code:H
1987 5.7L 350cid V8 FI Code:K
1988 5.7L 350cid V8 FI Code:K
1989 5.7L 350cid V8 Code:K
1989 6.2L 379cid V8 DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:C,J
1988 6.2L 379cid V8 FI DIESEL Code:J
1987 7.4L 454cid V8 FI Code:N
1988 7.4L 454cid V8 FI Code:N
1989 7.4L 454cid V8 Code:N

R2500 Suburban (12)
1987 5.7L 350cid V8 Code:K
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1987 6.2L 379cid V8 DIESEL Code:J
1988 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1987 7.4L 454cid V8 Code:N
1988 7.4L 454cid V8 Code:N
1989 7.4L 454cid V8 Code:N
1990 7.4L 454cid V8 Code:N
1991 7.4L V8 Code:N

R3500 (26)
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1987 5.7L 350cid V8 4BBL Code:M
1988 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1989 5.7L 350cid V8 FI Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1990 6.2L 379cid V8 DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1987 7.4L 454cid V8 4BBL Code:W
1988 7.4L 454cid V8 4BBL Code:W
1989 7.4L 454cid V8 4BBL Code:W
1987 7.4L 454cid V8 FI TBI Code:N
1988 7.4L 454cid V8 FI TBI Code:N
1989 7.4L 454cid V8 FI TBI Code:N
1990 7.4L 454cid V8 Code:N
1991 7.4L V8 Code:N

Savana 2500 (55)
1996 4.3L V6 Code:W
1997 4.3L V6 Code:W
1998 4.3L V6 Code:W
1999 4.3L V6 Code:W
2000 4.3L V6 Code:W
2001 4.3L V6 Code:W
2002 4.3L V6 Code:W
2003 4.3L V6 Code:X
2004 4.3L V6 Code:X
2005 4.3L V6 Code:X
2006 4.3L V6 Code:X
2010 4.8L V8 FLEX Code:A
2011 4.8L V8 FLEX Code:A
2012 4.8L V8 FLEX Code:A
2013 4.8L V8 FLEX Code:A
2014 4.8L V8 FLEX Code:A
2015 4.8L V8 FLEX Code:F
2016 4.8L V8 FLEX Code:F
2008 4.8L V8 Code:C
2009 4.8L V8 Code:C
2003 4.8L V8 Code:V
2004 4.8L V8 Code:V
2005 4.8L V8 Code:V
2006 4.8L V8 Code:V
2007 4.8L V8 Code:V
1996 5.0L V8 Code:M
1997 5.0L V8 Code:M
1998 5.0L V8 Code:M
1999 5.0L V8 Code:M
2000 5.0L V8 Code:M
2001 5.0L V8 Code:M
2002 5.0L V8 Code:M
2003 5.3L V8 Code:T
2004 5.3L V8 Code:T
2005 5.3L V8 Code:T
2001 5.7L V8 BI-FUEL Code:R
2002 5.7L V8 BI-FUEL Code:R
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
2001 5.7L V8 Code:R
2002 5.7L V8 Code:R
2011 6.0L V8 CNG Code:B
2012 6.0L V8 CNG Code:B
2013 6.0L V8 CNG Code:B
2014 6.0L V8 CNG Code:B
2015 6.0L V8 CNG Code:B
2016 6.0L V8 CNG Code:B
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2010 6.0L V8 FLEX Code:G
2011 6.0L V8 FLEX Code:G
2012 6.0L V8 FLEX Code:G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2015 6.0L V8 FLEX Code:G
2016 6.0L V8 FLEX Code:G
2016 6.0L V8 Code:G
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2007 6.0L V8 Code:U
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
2001 6.5L V8 Turbo DIESEL Code:F
2002 6.5L V8 Turbo DIESEL Code:F
2006 6.6L V8 Turbo DIESEL Code:2
2007 6.6L V8 Turbo DIESEL Code:2,6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6,L
2011 6.6L V8 Turbo DIESEL Code:L
2012 6.6L V8 Turbo DIESEL Code:L
2013 6.6L V8 Turbo DIESEL Code:L
2014 6.6L V8 Turbo DIESEL Code:L
2015 6.6L V8 Turbo DIESEL Code:L
2016 6.6L V8 Turbo DIESEL Code:L

Savana 3500 (61)
2017 2.8L L4 Turbo DIESEL Code:1
2018 2.8L L4 Turbo DIESEL Code:1
2019 2.8L L4 Turbo DIESEL Code:1
2020 2.8L L4 Turbo DIESEL Code:1
2021 2.8L L4 Turbo DIESEL Code:1
2022 2.8L L4 Turbo DIESEL Code:1
2018 4.3L V6 FLEX Code:P
2019 4.3L V6 FLEX Code:P
2020 4.3L V6 FLEX Code:P
2021 4.3L V6 FLEX Code:P
2022 4.3L V6 FLEX Code:P
2023 4.3L V6 FLEX Code:P
2024 4.3L V6 FLEX Code:P
2018 4.3L V6 Code:P
2019 4.3L V6 Code:P
2020 4.3L V6 Code:P
2021 4.3L V6 Code:P
2022 4.3L V6 Code:P
2023 4.3L V6 Code:P
2024 4.3L V6 Code:P
1997 4.3L V6 Code:W
1998 4.3L V6 Code:W
2000 4.3L V6 Code:W
2001 4.3L V6 Code:W
2002 4.3L V6 Code:W
2010 4.8L V8 FLEX Code:A
2011 4.8L V8 FLEX Code:A
2012 4.8L V8 FLEX Code:A
2013 4.8L V8 FLEX Code:A
2014 4.8L V8 FLEX Code:A
2015 4.8L V8 FLEX Code:F
2016 4.8L V8 FLEX Code:F
2017 4.8L V8 FLEX Code:F
2008 4.8L V8 Code:C
2009 4.8L V8 Code:C
2003 4.8L V8 Code:V
2004 4.8L V8 Code:V
2005 4.8L V8 Code:V
2006 4.8L V8 Code:V
2007 4.8L V8 Code:V
2001 5.7L V8 BI-FUEL Code:R
2002 5.7L V8 BI-FUEL Code:R
1996 5.7L V8 Code:R
1997 5.7L V8 Code:R
1998 5.7L V8 Code:R
1999 5.7L V8 Code:R
2000 5.7L V8 Code:R
2001 5.7L V8 Code:R
2002 5.7L V8 Code:R
2011 6.0L V8 CNG Code:B
2012 6.0L V8 CNG Code:B
2013 6.0L V8 CNG Code:B
2014 6.0L V8 CNG Code:B
2015 6.0L V8 CNG Code:B
2016 6.0L V8 CNG Code:B
2018 6.0L V8 CNG Code:B
2019 6.0L V8 CNG Code:B
2020 6.0L V8 CNG Code:B
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2018 6.0L V8 FLEX Code:B,G
2019 6.0L V8 FLEX Code:B,G
2020 6.0L V8 FLEX Code:B,G
2010 6.0L V8 FLEX Code:G
2011 6.0L V8 FLEX Code:G
2012 6.0L V8 FLEX Code:G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2015 6.0L V8 FLEX Code:G
2016 6.0L V8 FLEX Code:G
2017 6.0L V8 FLEX Code:G
2018 6.0L V8 Code:B,G
2019 6.0L V8 Code:B,G
2020 6.0L V8 Code:B,G
2016 6.0L V8 Code:G
2017 6.0L V8 Code:G
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2007 6.0L V8 Code:U
1996 6.5L V8 Turbo DIESEL Code:F
1997 6.5L V8 Turbo DIESEL Code:F
1998 6.5L V8 Turbo DIESEL Code:F
1999 6.5L V8 Turbo DIESEL Code:F
2000 6.5L V8 Turbo DIESEL Code:F
2001 6.5L V8 Turbo DIESEL Code:F
2002 6.5L V8 Turbo DIESEL Code:F
2006 6.6L V8 Turbo DIESEL Code:2
2007 6.6L V8 Turbo DIESEL Code:2,6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6,L
2011 6.6L V8 Turbo DIESEL Code:L
2012 6.6L V8 Turbo DIESEL Code:L
2013 6.6L V8 Turbo DIESEL Code:L
2014 6.6L V8 Turbo DIESEL Code:L
2015 6.6L V8 Turbo DIESEL Code:L
2016 6.6L V8 Turbo DIESEL Code:L
2021 6.6L V8 Code:7
2022 6.6L V8 Code:7
2023 6.6L V8 Code:7
2024 6.6L V8 Code:7
1996 7.4L V8 Code:J
1997 7.4L V8 Code:J
1998 7.4L V8 Code:J
1999 7.4L V8 Code:J
2000 7.4L V8 Code:J
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G

Savana 4500 (17)
2013 6.0L V8 CNG Code:B
2014 6.0L V8 CNG Code:B
2015 6.0L V8 CNG Code:B
2016 6.0L V8 CNG Code:B
2019 6.0L V8 CNG Code:B
2020 6.0L V8 CNG Code:B,G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2015 6.0L V8 FLEX Code:G
2016 6.0L V8 FLEX Code:G
2017 6.0L V8 FLEX Code:G
2018 6.0L V8 FLEX Code:G
2019 6.0L V8 FLEX Code:G
2020 6.0L V8 FLEX Code:G
2017 6.0L V8 Code:B,G
2018 6.0L V8 Code:B,G
2019 6.0L V8 Code:B,G
2020 6.0L V8 Code:B,G
2016 6.0L V8 Code:G
2013 6.6L V8 Turbo DIESEL Code:L
2014 6.6L V8 Turbo DIESEL Code:L
2015 6.6L V8 Turbo DIESEL Code:L
2016 6.6L V8 Turbo DIESEL Code:L
2021 6.6L V8 Code:7
2022 6.6L V8 Code:7

Sierra 2500 (8)
1999 5.3L V8 Code:T
2000 5.3L V8 Code:T
2002 6.0L V8 BI-FUEL Code:U
2002 6.0L V8 CNG Code:U
1999 6.0L V8 Code:U
2000 6.0L V8 Code:U
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U

Sierra 2500 HD (22)
2002 6.0L V8 BI-FUEL Code:U
2002 6.0L V8 CNG Code:U
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2010 6.0L V8 FLEX Code:G
2007 6.0L V8 Code:K
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2010 6.0L V8 Code:K
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2001 6.6L V8 Turbo DIESEL Code:1
2002 6.6L V8 Turbo DIESEL Code:1
2003 6.6L V8 Turbo DIESEL Code:1
2004 6.6L V8 Turbo DIESEL Code:1,2
2005 6.6L V8 Turbo DIESEL Code:2
2006 6.6L V8 Turbo DIESEL Code:2,D
2007 6.6L V8 Turbo DIESEL Code:6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G
2003 8.1L V8 Code:G
2004 8.1L V8 Code:G
2005 8.1L V8 Code:G
2006 8.1L V8 Code:G

Sierra 2500 HD Classic (6)
2007 6.0L V8 Code:U
2007 6.6L V8 Turbo DIESEL Code:D
2007 8.1L V8 Code:G

Sierra 3500 (15)
2003 6.0L V8 CNG Code:U
2004 6.0L V8 CNG Code:U
2005 6.0L V8 CNG Code:U
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2001 6.6L V8 Turbo DIESEL Code:1
2002 6.6L V8 Turbo DIESEL Code:1
2003 6.6L V8 Turbo DIESEL Code:1
2004 6.6L V8 Turbo DIESEL Code:1,2
2005 6.6L V8 Turbo DIESEL Code:2
2006 6.6L V8 Turbo DIESEL Code:2,D
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G
2003 8.1L V8 Code:G
2004 8.1L V8 Code:G
2005 8.1L V8 Code:G
2006 8.1L V8 Code:G

Sierra 3500 Classic (6)
2007 6.0L V8 Code:U
2007 6.6L V8 Turbo DIESEL Code:D
2007 8.1L V8 Code:G

Sierra 3500 HD (14)
2010 6.0L V8 FLEX Code:G
2011 6.0L V8 FLEX Code:G
2012 6.0L V8 FLEX Code:G
2013 6.0L V8 FLEX Code:G
2014 6.0L V8 FLEX Code:G
2011 6.0L V8 Code:G
2012 6.0L V8 Code:G
2013 6.0L V8 Code:G
2014 6.0L V8 Code:G
2007 6.0L V8 Code:K
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2010 6.0L V8 Code:K
2007 6.6L V8 Turbo DIESEL Code:6
2008 6.6L V8 Turbo DIESEL Code:6
2009 6.6L V8 Turbo DIESEL Code:6
2010 6.6L V8 Turbo DIESEL Code:6
2013 6.6L V8 Turbo DIESEL Code:8
2014 6.6L V8 Turbo DIESEL Code:8
2011 6.6L V8 Turbo DIESEL Code:8,L
2012 6.6L V8 Turbo DIESEL Code:8,L

Truck (21)
1950 3.7L 228cid L6
1951 3.7L 228cid L6
1952 3.7L 228cid L6
1953 3.7L 228cid L6
1953 4.1L 248cid L6
1954 4.1L 248cid L6
1955 4.1L 248cid L6
1956 4.4L 270cid L6
1957 4.4L 270cid L6
1955 4.7L 288cid V8
1955 5.2L 316cid V8
1956 5.2L 316cid V8
1956 5.3L 322cid V8
1957 5.3L 322cid V8
1955 5.3L 324cid V8
1956 5.3L 324cid V8
1957 5.7L 347cid V8
1957 6.1L 370cid V8
1945 Undefined
1946 Undefined
1947 Undefined
1948 Undefined
1949 Undefined

V2500 (6)
1987 4.8L 292cid L6 Code:T
1987 5.7L 350cid V8 FI Code:K
1987 6.2L 379cid V8 FI DIESEL Code:C,J

V2500 Suburban (8)
1987 5.7L 350cid V8 Code:K
1988 5.7L 350cid V8 Code:K
1989 5.7L 350cid V8 Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1987 6.2L 379cid V8 DIESEL Code:J
1988 6.2L 379cid V8 DIESEL Code:J
1989 6.2L 379cid V8 DIESEL Code:J
1990 6.2L 379cid V8 DIESEL Code:J
1991 6.2L V8 DIESEL Code:J

V3500 (26)
1987 4.8L 292cid L6 Code:T
1988 4.8L 292cid L6 Code:T
1987 5.7L 350cid V8 4BBL Code:M
1988 5.7L 350cid V8 4BBL Code:M
1987 5.7L 350cid V8 FI TBI Code:K
1988 5.7L 350cid V8 FI TBI Code:K
1989 5.7L 350cid V8 FI Code:K
1990 5.7L 350cid V8 Code:K
1991 5.7L V8 Code:K
1990 6.2L 379cid V8 DIESEL Code:J
1987 6.2L 379cid V8 FI DIESEL Code:J
1988 6.2L 379cid V8 FI DIESEL Code:J
1989 6.2L 379cid V8 FI DIESEL Code:J
1991 6.2L V8 DIESEL Code:J
1987 7.4L 454cid V8 4BBL Code:W
1988 7.4L 454cid V8 4BBL Code:W
1989 7.4L 454cid V8 4BBL Code:W
1987 7.4L 454cid V8 FI TBI Code:N
1988 7.4L 454cid V8 FI TBI Code:N
1989 7.4L 454cid V8 FI TBI Code:N
1990 7.4L 454cid V8 Code:N
1991 7.4L V8 Code:N

Yukon XL 2500 (8)
2010 6.0L V8 Code:G
2007 6.0L V8 Code:K
2008 6.0L V8 Code:K
2009 6.0L V8 Code:K
2000 6.0L V8 Code:U
2001 6.0L V8 Code:U
2002 6.0L V8 Code:U
2003 6.0L V8 Code:U
2004 6.0L V8 Code:U
2005 6.0L V8 Code:U
2006 6.0L V8 Code:U
2001 8.1L V8 Code:G
2002 8.1L V8 Code:G
2003 8.1L V8 Code:G
2004 8.1L V8 Code:G
2005 8.1L V8 Code:G
2006 8.1L V8 Code:G