ATP Parts
OE Replacement

ATP Parts CF-4 Cabin Air Filter

Brand ATP Parts CF-4
LineCode Atp
Product line OE Replacement
Fits Subaru · 6 vehicles

OE Replacement. Direct-fit cabin air filter for routine HVAC service.

Static-charged media. Helps capture fine airborne particles in the filter media.

Particulate filtration. Built to keep pollen and dust spores outside the cabin.

Cross-references Anchor 3689, Baldwin PA4408 and Dayco 89485 for the same application. See all 17.

$25.35Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Cabin Air Filtration

ATP Parts CF-4 is an OE Replacement cabin air filter for the passenger compartment HVAC system. It is built to capture airborne particles before they enter the cabin, helping keep the interior air cleaner in daily driving.

Key Features

  • OE Replacement cabin air filter for HVAC filtration
  • Static-charged filter media captures fine particles
  • Helps trap pollen and dust spores before they enter the cabin
  • Compatible with Subaru Impreza applications listed below
  • ATP Parts CF-4 part number for easy identification

Detailed Description

The ATP Parts CF-4 cabin air filter uses electrically charged media to attract and retain airborne contaminants as air moves through the HVAC system. This design focuses on particulate filtration, making it a practical replacement for drivers who want to maintain cleaner air inside the vehicle. It is a direct-fit style replacement for 2002-2007 Subaru Impreza applications with particulate cabin air filter fitment. The CF-4 part number is also cross-referenced to common aftermarket and OE-style numbers for the same application.

This part cross-references Baldwin PA4408 and Gates 24485 for the same application.

What It Helps Address

  • Dust entering the passenger compartment
  • Pollen buildup in the HVAC airflow
  • Airborne spores passing through the cabin ventilation system
  • Reduced filtration performance from a worn cabin filter

Installation Notes and Tips

Fits 2002-2007 Subaru Impreza, N/A. Confirm the vehicle uses a particulate cabin air filter application before ordering. Replace the filter at regular service intervals to maintain HVAC airflow and cabin air quality. Match the CF-4 part number to the existing filter specification when verifying fitment.

Quality Assurance

ATP Parts positions this OE Replacement filter as a direct service part for cabin air filtration. The static-charged media is engineered to capture fine airborne particles during normal HVAC operation.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2007SubaruImprezaFitment: Particulate Cabin Air Filter; OE Replacement
2006SubaruImprezaFitment: Particulate Cabin Air Filter; OE Replacement
2005SubaruImprezaFitment: Particulate Cabin Air Filter; OE Replacement
2004SubaruImprezaFitment: Particulate Cabin Air Filter; OE Replacement
2003SubaruImprezaFitment: Particulate Cabin Air Filter; OE Replacement
2002SubaruImprezaFitment: Particulate Cabin Air Filter; OE Replacement
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 3689Baldwin — PA4408Dayco — 89485Gates — 24485TYC — 800021P448572880FE00090165P42204861624485AFC1371CAF165PCF1087G3210FE100HY99171PMC1073XC25855