Denso 143-3775 Engine Air Filter

Denso FTF Air Filter for Toyota and Lexus

The Denso 143-3775 engine air filter is a First Time Fit replacement built for select Toyota and Lexus applications. It supports clean airflow into the engine while matching the fitment expectations of OE-style service parts.

Key Features

• Engine air filter from Denso’s FTF Air Filter line
• OE-style fitment for select Lexus RX450h, Lexus RX450hL, and Toyota Highlander applications
• Built to Denso quality standards for filtration performance and fit
• Cross-references FRAM CA12378, Purolator A21498, and Wix WA10716
• Part number 143-3775 for easy lookup and ordering

Product Details

Denso’s First Time Fit line focuses on direct-fit replacement parts that align with OE service expectations. This engine air filter is engineered for select 2016-2022 Lexus RX450h and RX450hL models, plus 2017-2019 Toyota Highlander applications listed below. If you are searching for a Denso 143-3775 air filter for a Lexus RX450h or Toyota Highlander, this part provides a straightforward OE-style replacement option.

This part cross-references FRAM CA12378 and Wix WA10716 for the same application.

What It Helps Address

• Restricted engine airflow from a dirty or clogged filter
• Routine air filter service on Lexus RX450h and RX450hL models
• Routine air filter service on Toyota Highlander models
• Replacement of an OE-style engine air filter with the correct fitment
• Maintenance of cleaner intake air entering the engine

Installation Notes

Verify the vehicle year, make, and model before installation. Confirm the existing filter housing matches the listed application for the Denso 143-3775. For best results, inspect the air box and sealing surfaces during service and replace the filter at normal maintenance intervals.

Quality Assurance

Denso develops filtration components as an OE supplier and applies the same focus on fit and performance to its First Time Fit Air Filter line. The 143-3775 is built to Denso quality standards for the listed applications.

Compatible With

• Fits 2021-2022 Lexus RX450h, N/A; OE; Engine Air Filter - FTF Air Filter
• Fits 2022 Lexus RX450hL, N/A; OE; Engine Air Filter - FTF Air Filter
• Fits 2019-2021 Lexus RX450hL, N/A; FTF Air Filter
• Fits 2016-2020 Lexus RX450h, N/A; FTF Air Filter
• Fits 2019 Toyota Highlander, N/A; FTF Air Filter
• Fits 2017 Toyota Highlander, N/A; FTF Air Filter
• Fits 2018 Toyota Highlander, N/A; OE# 17801-0P090; FTF Air Filter