Fluid · Rear Differential
Rear Differential
for 2015 Chevrolet Silverado 2500HD 6.6L V8 Duramax LML · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: GM part 12378261 or API GL-5
Capacity
5.7qt
5.39 L
Drain & Refill
5.7 qt
5.39 L
Change Interval
50,000 mi
80,450 km
Notes
AAM 11.5 full-float rear axle. Capacity varies slightly with cover type. Severe service 25000 miles
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