Shop now for Wheel Bearings and Wheel Seals for 1979-1991 Chevy and GMC 1/2 ton C and K series trucks with GM (AAM) 8.5" 10 Bolt Semi-Floating Rear Axles. In stock. Quick shipping.
AAM and GM 8-1/2" and 8.6" Rear Axles are of the semi-floating type in which the differential and a single straight roller bearing support each axle shaft. Each axle shaft is held in place by a C-Clip located at the inboard end of the axle shaft.








