Fluid · Rear Differential
Rear Differential
for 1956 Buick Century 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
30,000 mi
48,270 km
Notes
Hypoid rear axle. GL-4 preferred for vintage yellow metal compatibility, GL-5 acceptable
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.