Fluid · Rear Differential
Rear Differential
for 2017 GMC Sierra 3500HD 6.6L V8 Duramax Diesel · 4WD
Fluid Type
75W-90 synthetic
Spec: GM specification 9985115 or API GL-5
Capacity
7.4qt
7 L
Drain & Refill
7.4 qt
7 L
Change Interval
50,000 mi
80,450 km
Notes
AAM 11.5 full-float rear axle. SRW approximately 7.4 qt, DRW approximately 8.2 qt depending on configuration
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