Replacement springs for GM X-/A-/U-body cars and vans

The following tables list all replacement springs available for X-/A-/U-body cars and vans. Moog part numbers are listed; AC Delco and NAPA have cross-reference lookup tools to find their corresponding part numbers. The application listing is pretty vague for older models. It is the best information available at the present.



Front springs

Moog PN Spring rate
(lb/in)
Height under
706 lb load (in)
Uninstalled
height (in)
Wire diameter
(in)
Application
CC628 78 11.1 20.2 0.590 1980-1993 X, A
CC630 83 11.7 20.4 0.590 1980-1996 X, A
CC632 83 12.2 20.8 0.609 1980-1996 X, A
CC634 85 12.9 21.3 0.609 1982-1991 X, A
CC652 110 11.8 18.3 0.640 1990-1995 U



Rear springs

Two different spring designs were used. Springs with a pigtail upper end and a square lower end were used in 1980-1992 cars and 1990-1991 vans. Springs with pigtail ends on both top and bottom were used in 1993-1996 cars and 1992-1996 vans.

Moog PN Spring rate
(lb/in)
Height under
585 lb load (in)
Uninstalled
height (in)
Wire diameter
(in)
Application
Straight rate—upper pigtail end, lower square end
CS5659 159 10.0 13.7 0.500 1980-1992 X, A
CS5661 160 10.4 14.1 0.500 1980-1992 X, A
CS5667 236 10.6 13.1 0.562 1984-1992 A
Variable rate—upper pigtail end, lower square end
CC633 175 9.9 13.2 0.562 1980-1990 X, A
CC629 177 10.6 13.9 0.562 1980-1992 X, A
CC657 289 11.0 13.0 0.640 1992 Buick wagon
CC659 292 11.3 13.3 0.640 1990-1991 U
CC639 302 10.6 12.5 0.609 1992 Oldsmobile wagon
Variable rate—upper and lower pigtail ends
CC663 162 10.3 13.9 0.562 1993-1996 coupes, sedans
CC665 245 10.7 13.1 0.640 1993-1996 wagons
CC667 269 11.1 13.3 0.640 1992-1996 vans



Back to Stuart Schmitt's car information.