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1978 CHEVROLET K20
454ci V8•4WD•AUTOMATIC•gas
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Repairs0Labor509Torque161Fluid10DTC0Battery1Maintenance0Recalls0
Fluid · Rear Differential

Rear Differential

for 1978 Chevrolet K20 454ci V8 · 4WD
Fluid Type
80W-90 GL-5 gear oil
Spec: API GL-5
Capacity
4.5qt
4.26 L
Drain & Refill
4.5 qt
4.26 L
Change Interval
50,000 mi
80,450 km

Notes

14-bolt full-float typical for 3/4-ton. Add limited-slip additive if equipped.

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Other fluid systems on this vehicle

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