Fluid · Rear Differential
Rear Differential
for 2003 GMC Sierra 2500HD 6.0L V8 Vortec · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: API GL-5
Capacity
3.8qt
3.59 L
Drain & Refill
3.8 qt
3.59 L
Change Interval
50,000 mi
80,450 km
Notes
GM 10.5" 14-bolt full-float rear axle. Add 4 oz limited slip additive if equipped
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