2021 Land Rover Defender 90 engine air filter: Sizes & Replacement Parts
2.0L I4 turbo: WIX WA11398; 3.0L turbo: WIX WA11398 / Purolator A21797. Pick the engine tab that matches your car before ordering.
Looking for the cabin / A/C air filter instead? 2021 Land Rover Defender 90 cabin air filter →
Choose your engine size
The 2021 Land Rover Defender 90 uses different engine air filter part numbers by engine. Select your engine, then use the part numbers in that panel.
Not sure which engine you have?
Check the sticker on the driver's door jamb (open the door and look at the door frame) — it lists the engine displacement. You can also look at the rear of the car: a V6 badge means the larger engine; no engine badge typically indicates the base 4-cylinder (I4). When in doubt, check your owner's manual or the underhood emissions sticker.
2.0L I4 turbo
Main catalog answer: WIX WA11398
- Filter type
- Basic
- Sources
- WIX Filters
Links search this exact part number. Confirm 2021 Land Rover Defender 90 and the 2.0L I4 turbo engine in the seller's vehicle selector before checkout.
3.0L turbo
Main catalog answer: WIX WA11398 / Purolator A21797
- Filter type
- Basic
- Sources
- WIX Filters, Purolator Now
Links search this exact part number. Confirm 2021 Land Rover Defender 90 and the 3.0L turbo engine in the seller's vehicle selector before checkout.
Fitment scope and limits
The 2021 Land Rover Defender 90 can use different engine air filters by engine size. Use the row for 2.0L I4 turbo, 3.0L turbo, then confirm that same engine in the seller's vehicle selector.
The checked catalogs did not provide source-backed replacement interval for this exact record, so this page does not publish those fields.
Catalogs can list more than one part number for the same vehicle. Use this page to compare the listed numbers, then use the seller's vehicle selector before ordering.
Source notes
Listed in 2 catalogs. These part numbers come from filter manufacturer catalogs. Use the source trail below to see which catalog supported this page.
| Source | Role | Supports | Checked |
|---|---|---|---|
| Purolator Now | Primary | Filter for 3.0L turbo | 2026-06-26 |
| WIX Filters | Corroboration | Filters for 2 engine options | 2026-06-26 |
Checked catalogs: Purolator Now, WIX Filters. Replacement interval is not listed unless a source provides it for this exact vehicle and engine row.
2021 Land Rover Defender 90 maintenance checklist
One part checked. Look up the rest while you're here.
Questions this page answers
What engine air filter fits the 2021 Land Rover Defender 90 2.0L I4 turbo?
Checked catalogs list WIX WA11398 for the 2021 Land Rover Defender 90 2.0L I4 turbo. The primary listing is WIX WA11398. Confirm this part number in the seller's vehicle selector before ordering.
What engine air filter fits the 2021 Land Rover Defender 90 3.0L turbo?
Checked catalogs list WIX WA11398, Purolator A21797 for the 2021 Land Rover Defender 90 3.0L turbo. The primary listing is WIX WA11398 / Purolator A21797. Confirm this part number in the seller's vehicle selector before ordering.
How do I know which engine my 2021 Land Rover Defender 90 has?
Check the sticker on the driver's door jamb — it lists the engine displacement. A "V6" badge on the rear of the car means the larger engine. No engine badge typically means the base 4-cylinder (I4). When in doubt, check your owner's manual or the underhood emissions sticker.
Is the 2021 Land Rover Defender 90 engine air filter the same across all engine options?
The 2021 Land Rover Defender 90 can use different engine air filters by engine size. Use the row for 2.0L I4 turbo, 3.0L turbo, then confirm that same engine in the seller's vehicle selector.
Does this page confirm a replacement interval?
The checked catalogs did not provide source-backed replacement interval for this exact record, so this page does not publish those fields.
Check another vehicle
Looking for a different make or model? Use the selector below: