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PowertrainSuspension

Rear Axle Assembly

For GMC, General Motors and Chevrolet vehicles

  • Fitments

4x2 exc. Crew Cab 3.21 ratio (opt HC8)

1973 GMC GMC 2500 PICKUP
1974 GMC GMC 2500 PICKUP
1975 GMC GMC 2500 PICKUP
1976 GMC GMC 2500 PICKUP
1977 GMC GMC 2500 PICKUP
1978 GMC GMC 2500 PICKUP
1979 GMC GMC 2500 PICKUP
1980 GMC GMC 2500 PICKUP
1973 General Motors CHEVROLET 20 PICKUP
1974 General Motors CHEVROLET 20 PICKUP
1975 General Motors CHEVROLET 20 PICKUP
1976 General Motors CHEVROLET 20 PICKUP
1977 General Motors CHEVROLET 20 PICKUP
1978 General Motors CHEVROLET 20 PICKUP
1979 General Motors CHEVROLET 20 PICKUP
1980 General Motors CHEVROLET 20 PICKUP

4x2 exc. Crew Cab full-floating 3.21 ratio (opt HC8)

1981 GMC GMC 2500 PICKUP
1982 GMC GMC 2500 PICKUP
1983 GMC GMC 2500 PICKUP
1984 GMC GMC 2500 PICKUP
1985 GMC GMC 2500 PICKUP
1986 GMC GMC 2500 PICKUP
1987 GMC GMC 2500 PICKUP
1981 General Motors CHEVROLET 20 PICKUP
1982 General Motors CHEVROLET 20 PICKUP
1983 General Motors CHEVROLET 20 PICKUP
1984 General Motors CHEVROLET 20 PICKUP
1985 General Motors CHEVROLET 20 PICKUP
1986 General Motors CHEVROLET 20 PICKUP
1987 General Motors CHEVROLET 20 PICKUP
1988 General Motors CHEVROLET 20 PICKUP

4x2 3.21 ratio (opt HC8)

1973 Chevrolet SUBURBAN 20
1974 Chevrolet SUBURBAN 20
1975 Chevrolet SUBURBAN 20
1976 Chevrolet SUBURBAN 20
1977 Chevrolet SUBURBAN 20
1978 Chevrolet SUBURBAN 20
1979 Chevrolet SUBURBAN 20
1980 Chevrolet SUBURBAN 20
1973 Chevrolet SUBURBAN 2500
1974 Chevrolet SUBURBAN 2500
1975 Chevrolet SUBURBAN 2500
1976 Chevrolet SUBURBAN 2500
1977 Chevrolet SUBURBAN 2500
1978 Chevrolet SUBURBAN 2500
1979 Chevrolet SUBURBAN 2500
1980 Chevrolet SUBURBAN 2500

4x2 full-floating 3.21 ratio (opt HC8)

1981 Chevrolet SUBURBAN 20
1982 Chevrolet SUBURBAN 20
1983 Chevrolet SUBURBAN 20
1984 Chevrolet SUBURBAN 20
1985 Chevrolet SUBURBAN 20
1986 Chevrolet SUBURBAN 20
1987 Chevrolet SUBURBAN 20
1988 Chevrolet SUBURBAN 20
1981 Chevrolet SUBURBAN 2500
1982 Chevrolet SUBURBAN 2500
1983 Chevrolet SUBURBAN 2500
1984 Chevrolet SUBURBAN 2500
1985 Chevrolet SUBURBAN 2500
1986 Chevrolet SUBURBAN 2500
1987 Chevrolet SUBURBAN 2500
1988 Chevrolet SUBURBAN 2500
1989 Chevrolet SUBURBAN 2500
1990 Chevrolet SUBURBAN 2500
1991 Chevrolet SUBURBAN 2500

2500 Series 3.21 ratio (opt HC8)

1973 GMC GMC FORWARD CONTROL
1974 GMC GMC FORWARD CONTROL
1975 GMC GMC FORWARD CONTROL
1976 GMC GMC FORWARD CONTROL
1977 GMC GMC FORWARD CONTROL
1978 GMC GMC FORWARD CONTROL
1979 GMC GMC FORWARD CONTROL
1980 GMC GMC FORWARD CONTROL

20 Series 3.21 ratio (opt HC8)

1973 Chevrolet CHEVROLET FORWARD CONTROL
1974 Chevrolet CHEVROLET FORWARD CONTROL
1975 Chevrolet CHEVROLET FORWARD CONTROL
1976 Chevrolet CHEVROLET FORWARD CONTROL
1977 Chevrolet CHEVROLET FORWARD CONTROL
1978 Chevrolet CHEVROLET FORWARD CONTROL
1979 Chevrolet CHEVROLET FORWARD CONTROL
1980 Chevrolet CHEVROLET FORWARD CONTROL