Denso 143-3040 Air Filter

Denso FTF Air Filter for Toyota and Lexus

The Denso First Time Fit air filter is built for direct replacement service in select Toyota and Lexus applications. With a square profile and OE-style dimensions, it supports proper air intake filtration for vehicles such as the Toyota Tacoma, 4Runner, Supra, and Lexus SC300 and SC400.

Key Features

• Brand: Denso FTF Air Filter
• Part number: 143-3040
• Engine air filter for air and fuel delivery service
• Square shape for OE-style fitment
• Dimensions: 51.5 mm height, 245.0 mm side A length, 207.0 mm side B length
• Direct-fit replacement for select Toyota and Lexus models

Product Details

Denso’s First Time Fit air filter line is engineered to meet the company’s quality standards for filtration performance and fit. As an OEM-focused filtration supplier, Denso applies its manufacturing experience to replacement parts that match the intended application dimensions and installation profile. This part number 143-3040 is listed for 1995-2004 Toyota Tacoma, 1996-2002 Toyota 4Runner, 1992-2000 Lexus SC300, 1992-2000 Lexus SC400, and 1993-1998 Toyota Supra.

This part cross-references Toyota (e.g., 17801-07020, 17801-46060) for the same application.

What It Helps Address

• Restricted airflow caused by a dirty or clogged engine air filter
• Reduced intake filtration performance in daily driving conditions
• Service replacement needs for Toyota Tacoma and Toyota 4Runner maintenance
• Replacement requirements for Lexus SC300, Lexus SC400, and Toyota Supra air intake service
• Fitment concerns when replacing an OE-style square air filter

Installation Notes

Verify the filter shape and dimensions against the existing air box before installation. Confirm vehicle year, make, and model match the listed applications for the Denso 143-3040. Inspect the air cleaner housing for debris before installing the new filter, and ensure the sealing surfaces are clean so the filter seats correctly.

Quality Assurance

Denso states that its First Time Fit air filters are produced to meet its quality standards, with quality assurance provided for the line. The 143-3040 is backed by Denso’s experience as a global OEM supplier of engine filtration components.