Engine Oil Specification
Verified OEM & Service Reference2021 Land Rover Defender Defender P400 3.0L Inline-6 MHEV (L663) — 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
JLR STJLR.03.5006 / STJLR.51.5122
Quick Purchase
Check verified fitment on Amazon
Technical Specifications
| Recommended Viscosity | 0W-20 |
|---|---|
| OEM Specification | JLR STJLR.03.5006 / STJLR.51.5122 |
| Oil Capacity | 9.3 qt (8.8L) |
| Drain Plug Torque | 17 ft-lbs (23 Nm) |
Compatible Aftermarket Options
Direct OEM cross-referencesNo aftermarket cross-reference listed yet. Search directly for compatible engine oil options:
Search 2021 Land Rover Defender P400 (JLR STJLR.03.5006 / STJLR.51.5122) on AmazonEngine Oil Fitment by Engine / Trim (2021 Land Rover Defender)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| P400 (3.0L I6 Turbo MHEV) | 0W-20 • 9.3 qt (8.8L) | LR133455 |
| P300 (2.0L I4 Ingenium Turbo) | 0W-20 • 5.5–6.5 qt (5.5–6.0L) | LR133455 |
DIY Fitment & Verification Checklist for 2021 Land Rover Defender
- 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 2021 Land Rover Defender 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 2021 Land Rover Defender?
The primary OEM engine oil part number / specification for the 2021 Land Rover Defender Defender P400 3.0L Inline-6 MHEV (L663) is JLR STJLR.03.5006 / STJLR.51.5122.
Which aftermarket engine oil brands fit the 2021 Land Rover Defender?
Use your 17-digit VIN to confirm direct-fit aftermarket engine oil replacements on Amazon.