A commonly missed filter, used to filter incoming air into the cabin
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier! For vehicles with Automatic A/C (Code HH4).
Used to clean and reuse your K&N cabin air filter
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
A commonly missed filter, used to filter incoming air into the cabin
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For cars with Semi-Automatic A/C (Code HH9).
Brand:
ES#:
4019778
Mfg#:
4478300100
In Stock
$31.99
This product was last offered at the strikethrough price on 09-29-2026
A commonly missed filter, used to filter incoming air into the cabin
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! For vehicles with Automatic A/C (Code HH4).
Brand:
ES#:
4331489
Mfg#:
4478300000
In Stock
Limited Qty Sale
$30.99
This product was last offered at the strikethrough price on 10-25-2026
A commonly missed filter, used to filter incoming air into the cabin
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For cars with Semi-Automatic A/C (Code HH9).
Brand:
ES#:
5346269
Mfg#:
9108300802
Ships in 2 Business Days
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$33.99
This product was last offered at the strikethrough price on 10-28-2026
$30.99 USD
Free Shipping
on orders $49 and up
More About Climate Control & HVAC Maintenance Parts
Cabin air filters remove pollen, dirt, and harmful airborne pollutants from cabin air. Clogged cabin filters restrict air flows through the heater and air conditioner, reducing HVAC efficiency. Replace cabin filters at recommended intervals for best results.