About this part
What it does. K And N Replacement Air Filter K&N 400-33-5049 keeps dust and debris out of the intake so the engine draws clean air.
Symptoms that point to this part
- Reduced fuel economy
- Sluggish acceleration
- Visibly dirty or clogged filter element
Service note. Typically inspected at every service and replaced roughly annually.
Fitment. Catalogued as fitting 2021–2026 Buick Envision, 2019–2025 Chevrolet Malibu, 2019–2025 Cadillac Xt4, 2018–2020 Buick Regal Sportback, 2018–2020 Buick Regal Tourx, 2018–2019 Buick Lacrosse. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.
Fits these vehicles
- 2026 Buick Envision
- 2025 Chevrolet Malibu
- 2025 Cadillac Xt4
- 2024 Buick Envision
- 2024 Chevrolet Malibu
- 2024 Cadillac Xt4
- 2023 Buick Envision
- 2023 Chevrolet Malibu
- 2022 Chevrolet Malibu
- 2022 Buick Envision
- 2021 Cadillac Xt4
- 2021 Buick Envision
- 2021 Chevrolet Malibu
- 2020 Cadillac Xt4
- 2020 Buick Regal Sportback
- 2020 Buick Regal Tourx
- 2019 Cadillac Xt4
- 2019 Buick Lacrosse
- 2019 Chevrolet Malibu
- 2019 Buick Regal Tourx
- 2018 Buick Regal Sportback
- 2018 Buick Lacrosse
- 2018 Buick Regal Tourx