Fluid · Front Differential
Front Differential
for 2020 Chevrolet Silverado 2500HD 6.6L V8 Duramax L5P · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: GM part 12378261
Capacity
4qt
3.78 L
Drain & Refill
4 qt
3.78 L
Change Interval
50,000 mi
80,450 km
Notes
11.5-inch AAM front axle, 4WD models, new for 2020 redesign
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