Denso 143-3173 Air Filter

Denso Engine Air Filter for Honda Civic and Element

The Denso FTF Air Filter, part number 143-3173, is an engine air filter built for direct replacement service on select Honda applications. It is shaped as a rectangular filter with a 275.0 side A length, 161.0 side B length, and 44.0 height for the specified fitment profile.

Key Features

• Engine air filter from Denso’s First Time Fit line
• Rectangular design with 275.0 x 161.0 dimensions and 44.0 height
• Built for 2006-2011 Honda Civic and 2007-2011 Honda Element applications
• OE-style replacement for routine intake system service
• Part number 143-3173 for easy catalog matching

Product Details

Denso First Time Fit Air Filters are engineered to meet Denso quality standards for filtration performance and fit. As a global OEM supplier in engine filtration components, Denso applies production experience to replacement parts that match the intended application. This 143-3173 air filter is listed for 2006-2011 Honda Civic and 2007-2011 Honda Element models, making it a direct-fit service part for those vehicles. This part cross-references FRAM CA10359 and Wix 49120 for the same application.

What This Air Filter Helps Address

• Restricted airflow caused by a dirty or loaded engine air filter
• Dust and debris entering the intake tract
• Reduced engine breathing from a neglected filter element
• Routine maintenance needs on Honda Civic and Honda Element intake systems
• Replacement of a worn OE-style filter with the correct rectangular size

Installation Notes and Tips

Verify the filter dimensions and housing shape before installation. For fitment, this part matches 2006-2011 Honda Civic and 2007-2011 Honda Element applications listed in the catalog. Inspect the air box, sealing surfaces, and intake ducting during service, and replace the filter if the media is dirty, damaged, or no longer sealing properly.

Quality Assurance

Denso positions the First Time Fit Air Filter line as a quality-controlled replacement program backed by its OEM filtration experience. The 143-3173 is produced to Denso’s stated standards for fit and performance consistency.