C 3500 Truck 2WD V8-454 7.4L (1990)
Figure 2
Service Parts Information:
(Figure 2)
Part Number
Part Name
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.
Service Manual Reference:
Refer to the On-Vehicle Section of the appropriate service manual for proper replacement procedures.
