2021 Chevrolet Silverado 2500HD/3500HD Oil type
Depends on your engine. Choose yours, or compare them here.
- All versions 5W-30
- Extreme cold below −29 °C (−20 °F) 0W-30
5W-30
0W-30
extreme cold below −29 °C (−20 °F)
2021 Chevrolet Silverado 2500HD/3500HD Owner's Manual, PDF page 307
Use SAE 5W-30 viscosity grade engine oil.Open the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · All versions · PDF page 307
Use SAE 5W-30 viscosity grade engine oil.
Oil type · Extreme cold below −29 °C (−20 °F) · PDF page 307
use SAE 0W-30 oil
2021 Chevrolet Silverado 2500HD/3500HD Owner's Manual, PDF page 307
Use SAE 5W-30 viscosity grade engine oil.Open the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · All versions · PDF page 307
Use SAE 5W-30 viscosity grade engine oil.
2021 Chevrolet Silverado 2500HD/3500HD Owner's Manual, PDF page 307
use SAE 0W-30 oilOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · Extreme cold below −29 °C (−20 °F) · PDF page 307
use SAE 0W-30 oil
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All versions | 5W-30 | “Use SAE 5W-30 viscosity grade engine oil.” | PDF page 307 ↗ |
| Extreme cold below −29 °C (−20 °F) | 0W-30 | “use SAE 0W-30 oil” | PDF page 307 ↗ |
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For All versions
For Extreme cold below −29 °C (−20 °F)
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