Denso 143-3019 Air Filter

Denso FTF Air Filter 143-3019 Overview

Denso First Time Fit Air Filter 143-3019 is an engine air filter built for direct replacement service on select Toyota and Lexus applications. It is shaped as a rectangular filter with a 366.0 mm side A length, 156.0 mm side B length, and 50.0 mm height for the specified fitment.

The Denso FTF Air Filter line focuses on OE-style fit and consistent filtration performance. For drivers searching for a Toyota Highlander air filter or Lexus RX400h engine air filter, this part number 143-3019 provides a direct-match replacement option.

Key Features

• Engine air filter for air and fuel delivery service
• Rectangular filter shape for the listed applications
• Dimensions: 366.0 mm x 156.0 mm x 50.0 mm
• Built under Denso First Time Fit standards
• Direct replacement for select Toyota Highlander and Lexus RX400h models
• Part number 143-3019 for catalog and fitment lookup

Detailed Description

Denso 143-3019 is part of the FTF Air Filter product line, Denso’s First Time Fit range for replacement filtration components. Denso applies its OEM filtration background to this engine air filter, with a focus on consistent dimensions and dependable service fit. The rectangular profile and listed measurements help support proper seating in the air box on the covered vehicles.

Compatible With 2006-2011 Toyota Highlander, N/A and 2006-2008 Lexus RX400h, N/A. This part cross-references FRAM CA10257 and Toyota 17801-20050 for the same application. Search terms such as 2006-2011 Toyota Highlander engine air filter and 2006-2008 Lexus RX400h air filter replacement align with this application.

What It Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Dust and debris entering the intake tract
• Uneven filter fit from incorrect replacement dimensions
• Service intervals requiring a direct replacement air filter
• Air box sealing issues caused by worn or mismatched filters

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. Compare the existing filter’s dimensions and shape to the listed 366.0 mm x 156.0 mm x 50.0 mm rectangular profile. Confirm the air box is clean before installing the replacement filter, and make sure the filter seats evenly in the housing.

Fits 2006-2011 Toyota Highlander, N/A. Fits 2006-2008 Lexus RX400h, N/A.

Quality Assurance

Denso states that First Time Fit Air Filters are engineered to meet its quality standards, with quality assurance provided for the line. As an OEM leader in engine filtration components, Denso uses that background to support consistent replacement fit and performance.