Fluid · Rear Differential
Rear Differential
for 2010 Chevrolet Express 4.3L V6 Vortec · RWD
Fluid Type
75W-90 synthetic gear oil
Spec: GM Part 12378261 or API GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
50,000 mi
80,450 km
Notes
8.6" rear axle typical with 4.3L. Add limited-slip additive if equipped with G80 locking differential
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.