Fluid · Front Differential
Front Differential
for 2021 Chevrolet Silverado 2500HD 6.6L V8 L8T Gas · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: GM Part No. 12378261 or API GL-5
Capacity
3.7qt
3.5 L
Drain & Refill
3.7 qt
3.5 L
Data quality
Book-style estimate
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Notes
AAM 9.25 IFS front differential on 4WD models. No routine service interval.
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