Fluid ยท Rear Differential
Rear Differential
for 1990 GMC Sierra 1500 5.7L V8 350 TBI ยท 4WD
Fluid Type
80W-90 gear oil
Spec: API GL-5
Capacity
4.2qt
3.97 L
Drain & Refill
4.2 qt
3.97 L
Change Interval
30,000 mi
48,270 km
Notes
10-bolt rear axle typical; add GM limited-slip additive if equipped
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases โ how we link. This never changes the specs we publish.