Fluid · Rear Differential
Rear Differential
for 1971 Pontiac GTO 455ci V8 · RWD
Fluid Type
80W-90 GL-5 or 85W-140 GL-5
Spec: API GL-5
Capacity
4.25qt
4.02 L
Drain & Refill
4.25 qt
4.02 L
Change Interval
30,000 mi
48,270 km
Notes
12-bolt Safe-T-Track rear typical with 455. Add limited-slip additive if equipped with Posi-traction.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.