Fluid · Rear Differential
Rear Differential
for 1966 Buick Electra 425ci V8 · RWD
Fluid Type
80W-90 GL-5
Spec: API GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
50,000 mi
80,450 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
Standard differential; limited-slip requires friction modifier if equipped
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