Denso 143-3013 Air Filter

Denso FTF Air Filter for Lexus and Toyota

The Denso First Time Fit Air Filter is built for drivers who want a direct engine air filter replacement with OE-style dimensions and filtration-focused construction. Part number 143-3013 is sized for select Lexus and Toyota applications, including Lexus IS250, IS350, GS350, and GS430 models.

The FTF Air Filter line is Denso’s First Time Fit product range, created to meet the brand’s quality standards for fit and performance in engine filtration. With a polygon shape and measured dimensions of 56.0 mm height, 238.0 mm side A length, and 236.0 mm side B length, this filter is specified for a precise engine air intake service replacement.

• Engine air filter for select Lexus and Toyota applications
• Part number 143-3013 for direct replacement lookup
• Polygon shape with 56.0 mm height
• Side A length: 238.0 mm
• Side B length: 236.0 mm
• First Time Fit Air Filter line from Denso

Fitment Details

• Fits 2006-2015 Lexus IS250, N/A
• Fits 2006-2015 Lexus IS350, N/A
• Fits 2007-2011 Lexus GS350, N/A
• Fits 2006-2007 Lexus GS430, N/A

This part cross-references FRAM CA10347 and Wix 49146 for the same application.

What This Air Filter Helps Address

• Restricted engine airflow from a dirty or clogged filter
• Routine engine air filter replacement on Lexus IS250 and Lexus IS350 models
• Service replacement for Lexus GS350 and GS430 intake maintenance
• Incorrect filter sizing when replacing an OE-style air filter
• Air intake service intervals that call for a fresh engine filter

Installation Notes and Tips

Verify the filter shape and dimensions against the existing air box before installation. Confirm the vehicle year and model match the listed fitment for Lexus IS250, IS350, GS350, or GS430 applications. Inspect the air cleaner housing for debris before installing the new filter so the intake system starts clean.

Quality Assurance

Denso develops First Time Fit Air Filters to meet its internal quality standards for engine filtration components. As an OEM-focused supplier, Denso applies filtration engineering experience to this replacement air filter line for consistent fit and performance.