Fluid · Rear Differential
Rear Differential
for 2012 GMC Yukon XL 2500 6.0L V8 Vortec · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: GM Part No. 12378261 or API GL-5
Capacity
5.5qt
5.2 L
Drain & Refill
5.5 qt
5.2 L
Data quality
Book-style estimate
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Notes
10.5" 14-bolt full-float rear axle. No routine service interval unless towing/severe duty. Add limited-slip additive if equipped.
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