Denso 143-3175 Air Filter

Denso FTF Air Filter for Honda and Acura

The Denso First Time Fit Air Filter, part number 143-3175, is built for direct replacement in select Honda and Acura applications. With a cylindrical design and OE-style dimensions, it supports proper air intake filtration for engines that require a precise filter fit.

Key Features

• Brand: Denso FTF Air Filter
• Part number: 143-3175
• Engine air filter for air and fuel delivery service
• Cylindrical shape for OE-style housing fitment
• Inside diameter: 81.0
• Outside diameter: 138.0
• Height: 173.0
• Built to Denso quality standards for filtration performance
• Cross-reference: FRAM CA9493

Fitment Details

• Fits 2002-2006 Acura RSX, N/A
• Fits 2002-2006 Honda CR-V, N/A
• Fits 2003-2006 Honda Element, N/A
• Fits 2002-2005 Honda Civic, N/A

Product Description

This Denso engine air filter is engineered as a First Time Fit replacement for select Honda Civic, Honda CR-V, Honda Element, and Acura RSX models. The cylindrical filter body measures 81.0 inside diameter, 138.0 outside diameter, and 173.0 height, helping it match the air cleaner housing dimensions used in the listed applications. Part number 143-3175 is a direct-fit service part for maintaining clean intake airflow in vehicles that rely on a precise OE-style filter form.

Denso’s FTF Air Filter line focuses on replacement filters developed to meet the brand’s quality standards for filtration and fit. This part also cross-references Honda 17220-PNA-003 and Wix 42188 for the same application.

What It Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Dust and debris entering the intake system
• Reduced filtration performance in routine maintenance service
• Poor filter housing fit from incorrect replacement dimensions
• Service needs on Honda Civic, Honda CR-V, Honda Element, and Acura RSX models

Installation Notes and Tips

Verify the air cleaner housing shape and dimensions before installation. Compare the old filter to part number 143-3175 to confirm the cylindrical profile, inside diameter, outside diameter, and height match the vehicle’s original specification. Install in the factory air box and inspect the housing seal area for dirt or damage before closing the cover.

Quality Assurance

Denso positions its First Time Fit Air Filters as replacement components built to its established quality standards, with quality assurance stated by the manufacturer. As an OEM leader in engine filtration components, Denso applies that experience to this filter line for consistent fit and performance in the listed Honda and Acura applications.