Fluid · Rear Differential
Rear Differential
for 1955 GMC 150 Series 316ci V8 · RWD
Fluid Type
SAE 90 or SAE 80W-90 gear oil
Spec: API GL-4 or GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
12,000 mi
19,308 km
Notes
Full-floating rear axle. Capacity varies by axle size; 3.5 qts typical for light-duty.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.