Denso 143-3044 Air Filter

Denso FTF Air Filter for Lexus GS300 and IS300

The Denso FTF Air Filter 143-3044 is an engine air filter built to match the dimensions and fitment requirements of select Lexus applications. With a rectangular shape and measured size of 241.0 mm by 208.0 mm by 56.0 mm, it is sized for direct replacement in the specified vehicles.

Compatible with 1998-2005 Lexus GS300 and 2001-2005 Lexus IS300, this Denso air filter supports clean intake airflow while helping maintain proper engine breathing. The Denso 143-3044 is a practical OE-style replacement for drivers searching for a Lexus GS300 air filter or Lexus IS300 engine air filter by part number.

Key Features

• Engine air filter for air and fuel delivery service
• Rectangular filter shape for the listed Lexus applications
• Dimensions: 241.0 mm side A, 208.0 mm side B, 56.0 mm height
• Direct-fit replacement for select Lexus GS300 and Lexus IS300 models
• Cross-references Toyota 17801-46080 for the same application
• Also cross-references FRAM CA8613

Product Details

Denso’s First Time Fit Air Filter line is engineered to meet the brand’s quality standards for fit and performance. As a global OEM leader in engine filtration components, Denso applies manufacturing experience to replacement filters that align with original equipment expectations. The 143-3044 part number is a focused solution for owners looking for a Lexus GS300 engine air filter or Lexus IS300 replacement air filter with confirmed vehicle coverage.

What This Air Filter Helps Address

• Restricted airflow caused by a dirty or clogged engine air filter
• Reduced intake efficiency from a worn filter element
• Routine maintenance needs for Lexus GS300 and Lexus IS300 intake systems
• Replacement of an OE-style filter with the correct rectangular dimensions
• Part-number matching for service lookup using Denso 143-3044

Installation Notes and Tips

Verify the filter housing dimensions and compare the old filter to the new unit before installation. Confirm the vehicle application against the listed fitment: Fits 1998-2005 Lexus GS300, N/A; Fits 2001-2005 Lexus IS300, N/A. For best results, inspect the air box for debris and replace the filter at regular service intervals based on driving conditions.

Quality Assurance

Denso states that First Time Fit Air Filters are backed by quality assurance and built to meet the company’s high standards. The 143-3044 reflects Denso’s OEM-focused approach to engine filtration for Lexus GS300 and Lexus IS300 applications.