Lexus RX350L Cabin Air Filter by Year
The Lexus RX350L (2018–2022) uses a consistent filter part number across all 5 checked model years. Select a year below to open the exact page with source notes before ordering.
| Year | Filter | Source coverage | Page |
|---|---|---|---|
| 2022 | WIX WP10320 / Purolator TC21471C | Verified fit | Open record → |
| 2021 | WIX WP10320 / Purolator TC21471C | Verified fit | Open record → |
| 2020 | WIX WP10320 / Purolator TC21471C | Verified fit | Open record → |
| 2019 | WIX WP10320 / Purolator TC21471C | Verified fit | Open record → |
| 2018 | WIX WP10320 / Purolator TC21471C | Verified fit | Open record → |
Filter part number
WIX WP10320 / Purolator TC21471C
Same across all 5 listed years
Lexus RX350L cabin air filter — frequently asked questions
- What cabin air filter fits the Lexus RX350L?
- Checked catalogs list WIX WP10320 / Purolator TC21471C as a compatible cabin air filter for the Lexus RX350L (2018–2022). Confirm this part number in the seller's vehicle selector before ordering.
- How many years of Lexus RX350L cabin air filter data do you have?
- Our checked records cover 5 model years for the Lexus RX350L (2018–2022). Select a year in the table above to open the exact fitment record.
- How often should I replace the Lexus RX350L cabin air filter?
- Most manufacturers recommend replacing the cabin air filter every 15,000–25,000 miles or once a year, whichever comes first. Check your Lexus RX350L owner's manual for the exact interval and inspect it at every oil change.
Look up a specific Lexus RX350L year
Select a model year to open the exact checked cabin air filter fitment record before ordering.