Fluid · Rear Differential
Rear Differential
for 1955 Buick Super 322ci V8 · RWD
Fluid Type
80W-90 GL-4 or GL-5 gear oil
Spec: API GL-4
Capacity
3qt
2.84 L
Drain & Refill
3 qt
2.84 L
Change Interval
24,000 mi
38,616 km
Notes
Standard hypoid rear axle. GL-5 acceptable but GL-4 preferred for brass synchronizers if present.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.