Fluid · Rear Differential
Rear Differential
for 2012 Chevrolet Express 6.6L V8 Duramax Diesel · RWD
Fluid Type
75W-90 synthetic gear oil
Spec: GM part 12378261 or equivalent GL-5
Capacity
5.7qt
5.39 L
Drain & Refill
5.7 qt
5.39 L
Change Interval
50,000 mi
80,450 km
Data quality
Book-style estimate
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Notes
10.5" 14-bolt full-float rear axle typical. Capacity varies by model (9.5" or 10.5").
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