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2020 GMC SIERRA 2500HD
6.6L V8 Duramax Diesel•RWD•AUTOMATIC•diesel•turbo
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Repairs0Labor994Torque4979Fluid18DTC3734Battery2Maintenance0Recalls0
Fluid · Coolant

Coolant

for 2020 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · RWD
Fluid Type
Dex-Cool 50/50 premix
Spec: GM 6277M
Capacity
30qt
28.38 L
Drain & Refill
27 qt
25.54 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes

Extended life orange coolant. Includes engine and supplemental cooler systems

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Other fluid systems on this vehicle

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