Buick Regal TourX Engine Air Filter by Year
The Buick Regal TourX (2018–2020) uses a consistent filter part number across all 3 checked model years. Select a year below to open the exact page with source notes before ordering.
| Year | Filter | Source coverage | Page |
|---|---|---|---|
| 2020 | WIX WA10419 / Purolator A51456 | Verified fit | Open record → |
| 2019 | WIX WA10419 / Purolator A51456 | Verified fit | Open record → |
| 2018 | WIX WA10419 / Purolator A51456 | Verified fit | Open record → |
Filter part number
WIX WA10419 / Purolator A51456
Same across all 3 listed years
Buick Regal TourX engine air filter — frequently asked questions
- What engine air filter fits the Buick Regal TourX?
- Checked catalogs list WIX WA10419 / Purolator A51456 as a compatible engine air filter for the Buick Regal TourX (2018–2020). Confirm this part number in the seller's vehicle selector before ordering.
- How many years of Buick Regal TourX engine air filter data do you have?
- Our checked records cover 3 model years for the Buick Regal TourX (2018–2020). Select a year in the table above to open the exact fitment record.
Look up a specific Buick Regal TourX year
Select a model year to open the exact checked engine air filter fitment record before ordering.