Fluid · Rear Differential
Rear Differential
for 1974 GMC K2500 454ci V8 · 4WD
Fluid Type
80W-90 GL-5
Spec: API GL-5
Capacity
4.5qt
4.26 L
Drain & Refill
4.5 qt
4.26 L
Change Interval
36,000 mi
57,924 km
Notes
GM 12-bolt full-floating rear axle. Add limited-slip additive if equipped.
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