Fluid · Rear Differential
Rear Differential
for 1955 GMC 250 Series 316ci V8 · RWD
Fluid Type
SAE 80W-90 GL-5 gear oil
Spec: GL-5
Capacity
4qt
3.78 L
Drain & Refill
4 qt
3.78 L
Change Interval
30,000 mi
48,270 km
Notes
Full-floating rear axle typical for 250 Series medium-duty. Capacity varies by axle model.
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