HomeAir and Fuel Delivery > FiltersDenso 143-3198 Air Filter
Part #: 143-3198

Denso 143-3198 Air Filter

FTF Air Filter
⚙️ 26 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦FTF Air Filter
🚗Fitment: Subaru, Baja, Forester, Impreza, Legacy, and Outback
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Overview of the Denso FTF Air Filter 143-3198

The Denso FTF Air Filter 143-3198 is designed to provide reliable engine air filtration for select Subaru models. Engineered with precise dimensions and a rectangular shape, this air filter supports optimal airflow and engine performance for vehicles like the Subaru Forester, Outback, and Impreza.

  • Compatible with Subaru Baja, Forester, Impreza, Legacy, and Outback
  • Rectangular shape with dimensions: 372 mm x 167 mm x 34 mm (Height)
  • Part number 143-3198 for accurate replacement
  • Engine air filter designed to maintain clean airflow to the engine
  • Part of the Denso FTF Air Filter product line

Detailed Product Description and Attributes

This Denso engine air filter features a rectangular design measuring 372 mm in length (Side A), 167 mm in width (Side B), and 34 mm in height. These dimensions ensure a precise fit within the air intake system of compatible Subaru vehicles. The rectangular shape supports efficient filtration by maximizing the surface area exposed to incoming air, which helps maintain engine efficiency and longevity. The part number 143-3198 identifies this specific filter within Denso's catalog, ensuring compatibility and ease of ordering.

About the Denso FTF Air Filter Product Line

The FTF Air Filter line from Denso focuses on providing factory-type filtration solutions that meet original equipment specifications. Filters in this line, including the 143-3198, are designed to deliver consistent filtration performance and fitment for specific vehicle applications. This product line emphasizes maintaining engine protection by filtering out contaminants while supporting proper airflow.

Applications and Common Issues Addressed

  • Compatible with Subaru Baja, Forester, Impreza, Legacy, and Outback models requiring a rectangular engine air filter
  • Helps prevent engine damage caused by dust and debris entering the intake system
  • Reduces the risk of decreased engine performance due to clogged or inefficient filters
  • Supports fuel efficiency by maintaining clean air supply to the engine
  • Addresses issues related to rough idling or engine hesitation caused by poor air filtration

Installation Notes and Tips

  • Ensure the air filter housing is clean before installing the new filter
  • Verify the orientation of the rectangular filter matches the housing design
  • Check for proper sealing to prevent unfiltered air bypass
  • Replace the filter according to the vehicle manufacturer’s recommended maintenance schedule

Quality Assurance and Warranty

Denso manufactures the FTF Air Filter 143-3198 to meet strict quality standards consistent with original equipment requirements. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using this filter helps maintain the integrity of your Subaru’s engine air intake system.

BrandDenso
Part Number143-3198
PositionFTF Air Filter
Height34.0
ShapeRECTANGULAR
Side A Length372.0
Side B Length167.0

This part fits 26 vehicles. Search below:

YearMakeModelPositionNotes
2006SubaruBajaN/AFTF Air Filter
2005SubaruBajaN/AFTF Air Filter
2004SubaruBajaN/AFTF Air Filter
2004SubaruForesterN/AFTF Air Filter
2004SubaruImprezaN/AFTF Air Filter
2004SubaruLegacyN/AExceptional fitment for vehicles in California.; FTF Air Filter
2004SubaruOutbackN/AExceptional fitment for vehicles in California.; FTF Air Filter
2003SubaruBajaN/AFTF Air Filter
2003SubaruForesterN/AFTF Air Filter
2003SubaruImprezaN/AFTF Air Filter
2003SubaruLegacyN/AFTF Air Filter
2003SubaruOutbackN/AFTF Air Filter
2002SubaruForesterN/AFTF Air Filter
2002SubaruImprezaN/AFTF Air Filter
2002SubaruLegacyN/AFTF Air Filter
2002SubaruOutbackN/AFTF Air Filter
2001SubaruForesterN/AFTF Air Filter
2001SubaruImprezaN/AFTF Air Filter
2001SubaruLegacyN/AFTF Air Filter
2001SubaruOutbackN/AFTF Air Filter
2000SubaruForesterN/AFTF Air Filter
2000SubaruImprezaN/AFTF Air Filter
2000SubaruLegacyN/AFTF Air Filter
2000SubaruOutbackN/AFTF Air Filter
1999SubaruImprezaN/ACalif; FTF Air Filter
1999SubaruLegacyN/ACalif, OE# 16546 AA07A; FTF Air Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

CA9113

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.