Fluid · Rear Differential
Rear Differential
for 1955 Buick Special 264ci V8 · RWD
Fluid Type
80W-90 GL-4 or 90W GL-4
Spec: API GL-4
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
25,000 mi
40,225 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
Open differential standard. Can use GL-5 but GL-4 preferred for vintage brass components
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