K 2500 Truck 4WD V8-454 7.4L (1990)
Figure 2
PARTS INFORMATION: (Figure 2)
Part
Part Name
Number
8680929
Piston and Ring Assembly,
Rear Accumulator
New Piston and Ring Assembly can be used with older model cases. When installing, use TRANSJEL J36850 or equivalent to aid in assembly.
Old Piston Ring and Ring Assembly cannot be used on new cases.
Parts are currently available from GMSPO.