Fluid · Rear Differential
Rear Differential
for 2025 GMC Savana 6.0L V8 · AWD
Fluid Type
75W-90 synthetic gear oil
Spec: GM part 12378261
Capacity
3.8qt
3.59 L
Drain & Refill
3.8 qt
3.59 L
Change Interval
50,000 mi
80,450 km
Notes
9.5-inch or 10.5-inch rear axle depending on GVW rating; capacity varies slightly by axle
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