Denso 143-3003 Air Filter

Denso FTF Air Filter for Toyota and Lexus

The Denso First Time Fit engine air filter is built for direct replacement service on select Toyota and Lexus applications. Part number 143-3003 is shaped as a rectangular filter with dimensions of 318.0 mm by 193.0 mm and a height of 39.0 mm for the listed airbox applications.

Compatible With 2001-2013 Toyota Highlander, 2002-2011 Toyota Camry, 2004-2010 Toyota Sienna, 2007-2009 Lexus RX350, 2004-2008 Toyota Solara, 2004-2006 Lexus ES330, 2004-2006 Lexus RX330, and 2002-2003 Lexus ES300.

Key Features

• Denso First Time Fit air filter line for OE-style replacement service
• Rectangular engine air filter with 318.0 mm side A length and 193.0 mm side B length
• 39.0 mm height for the specified air cleaner housing
• Direct replacement part number 143-3003
• Cross-references FRAM CA9360 and Wix 46673 for the same application

Product Details

Denso develops First Time Fit air filters to meet the company’s quality standards for filtration components used in engine air intake systems. This filter is designed for the listed Toyota Highlander, Camry, Sienna, Solara, and Lexus ES330, RX330, RX350, and ES300 applications. If you are replacing a worn Toyota Camry air filter or servicing a Lexus RX350 engine air filter, 143-3003 provides the correct rectangular form factor and dimensions for the specified vehicles.

The Denso 143-3003 is a practical choice for routine intake maintenance where the correct fit and housing dimensions matter. It is also a direct-reference replacement for Toyota 17801-0H010, 17801-0H020, and 17801-20040.

What It Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Dust and debris buildup in the intake system
• Reduced filtration performance during scheduled maintenance
• Incorrect filter sizing in Toyota and Lexus airbox applications
• Replacement needs for high-mileage Camry, Highlander, Sienna, and RX models

Installation Notes and Tips

Verify the air filter housing dimensions before installation and compare the old filter to the new Denso 143-3003. Confirm the rectangular shape, 318.0 mm by 193.0 mm footprint, and 39.0 mm height match the vehicle’s air cleaner box. For best results, inspect the airbox for dirt or debris before closing the housing.

Quality Assurance

Denso positions the First Time Fit line as a quality-controlled replacement filter program backed by the company’s OEM filtration experience. That manufacturing focus supports consistent fitment and dependable service for the listed Toyota and Lexus applications.