Engine Oil Specification
Verified OEM & Service Reference2020 Chevrolet Tahoe 3.0L Duramax Turbo-Diesel (LM2 / LZ0) — Engine Oil
Recommended interval: Every 5,000–7,500 miles (8,000–12,000 km) or 6–12 months
Engine / Trim Variant
OEM Oil Spec
GM dexosD
Quick Purchase
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Technical Specifications
| Recommended Viscosity | 0W-20 |
|---|---|
| OEM Specification | GM dexosD |
| Oil Capacity | 7.0–8.0 qt |
Compatible Aftermarket Options
Direct OEM cross-referencesNo aftermarket cross-reference listed yet. Search directly for compatible engine oil options:
Search 2020 Chevrolet Tahoe 3.0L Duramax Turbo-Diesel (GM dexosD) on AmazonEngine Oil Fitment by Engine / Trim (2020 Chevrolet Tahoe)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| 5.3L EcoTec3 V8 | 0W-20 • 8.0 qt (7.6L) | ACDelco PF63E |
| 6.2L EcoTec3 V8 | 0W-20 • 8.0 qt (7.6L) | ACDelco PF63E |
| 3.0L Duramax Turbo-Diesel | 0W-20 • 7.0–8.0 qt | ACDelco PF26FS |
DIY Fitment & Verification Checklist for 2020 Chevrolet Tahoe
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect engine oil fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 2020 Chevrolet Tahoe owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM engine oil specification for a 2020 Chevrolet Tahoe?
The primary OEM engine oil part number / specification for the 2020 Chevrolet Tahoe 3.0L Duramax Turbo-Diesel (LM2 / LZ0) is GM dexosD.
Which aftermarket engine oil brands fit the 2020 Chevrolet Tahoe?
Use your 17-digit VIN to confirm direct-fit aftermarket engine oil replacements on Amazon.