Engine Oil Specification
2021 Chevrolet Silverado 1500 3.0L Duramax I6 Diesel (LM2 / LZ0) — Engine Oil
Engine / Trim Variant
OEM Oil Spec
dexosD
Quick Purchase
Check verified fitment on Amazon
Technical Specifications
| Recommended Viscosity | 0W-20 |
|---|---|
| OEM Specification | dexosD |
| Oil Capacity | 7.0 qt / 6.6L |
Compatible Aftermarket Options
Direct OEM cross-references- Buy Mobil 1 Extended Performance 0W-20 on AmazonMobil 1Extended Performance 0W-20
Search query: Mobil 1 Extended Performance 0W-20 full synthetic
- Buy Castrol EDGE 5W-30 Full Synthetic on AmazonCastrolEDGE 5W-30 Full Synthetic
Search query: Castrol EDGE 5W-30 full synthetic motor oil
DIY Fitment & Verification Checklist for 2021 Chevrolet Silverado 1500
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect engine oil fitment.
- When purchasing aftermarket equivalents (e.g., Mann, Bosch, Mahle, NGK, Akebono), cross-check the Amazon Garage fitment bar with your 17-digit VIN.
- Always consult your 2021 Chevrolet Silverado 1500 owner's manual for torque specs and fluid service intervals.