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2021 GMC SIERRA 3500HD
6.6L V8 L8T•4WD•AUTOMATIC•gas•turbo
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Repairs0Labor507Torque2066Fluid10DTC2015Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 2021 GMC Sierra 3500HD 6.6L V8 L8T · 4WD
Fluid Type
5W-30 full synthetic
Spec: dexos1 Gen 2
Capacity
8qt
7.57 L
Drain & Refill
8 qt
7.57 L
Change Interval
5,000 mi
8,045 km
Data quality
Book-style estimate
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Notes

L8T gas V8 with filter change. Must meet dexos1 Gen 2 specification.

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Other fluid systems on this vehicle

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