2021 GMC Sierra Denali 2500HD/3500HD Coolant
15.4qt
Capacity · all (gas engine)
2021 GMC Sierra Denali 2500HD/3500HD Owner's Manual, PDF page 405
Engine Cooling System* 14.6 L 15.4 qtOpen the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Coolant (capacity) · All (gas engine) · PDF page 405
Engine Cooling System* 14.6 L 15.4 qt
See every quote (1 value)
As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All (gas engine) | 15.4 qtcapacity | “Engine Cooling System* 14.6 L 15.4 qt” | PDF page 405 ↗ |
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