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Part #: 143-3775

Denso 143-3775 Engine Air Filter

Engine Air Filter - FTF Air Filter
⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Engine Air Filter - FTF Air Filter
🚗Fitment: Lexus and Toyota, Highlander, RX450h, and RX450hL
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Reliable Engine Air Filter for Lexus and Toyota Vehicles

The Denso 143-3775 engine air filter is designed to maintain optimal airflow and protect your engine from contaminants. Specifically compatible with Lexus Highlander, RX450h, and RX450hL models, this air filter supports efficient engine performance and longevity.

  • Compatible with Lexus Highlander, RX450h, RX450hL and Toyota models
  • Part number 143-3775 ensures precise fit and function
  • Part of the Denso FTF Air Filter product line
  • Engine air filter designed for effective filtration and airflow

About the Denso FTF Air Filter Product Line

The FTF Air Filter line by Denso focuses on delivering reliable filtration solutions tailored for specific vehicle applications. This product line emphasizes compatibility and filtration efficiency, ensuring that each filter meets the requirements of the engine it serves. The 143-3775 model is part of this line, engineered to fit select Lexus and Toyota vehicles with precision.

Product Details and Functionality

The Denso 143-3775 engine air filter is engineered to trap dust, dirt, and other airborne particles before they enter the engine. This helps maintain clean airflow, which is critical for combustion efficiency and engine health. Designed for Lexus Highlander, RX450h, and RX450hL models, this filter supports the vehicle’s air and fuel delivery system by preventing contaminants from causing wear or damage.

Common Issues Addressed by This Air Filter

  • Reduced engine performance due to clogged or dirty air filters
  • Increased fuel consumption caused by restricted airflow
  • Engine wear from dust and debris entering the combustion chamber
  • Unstable idling or rough engine operation linked to poor air filtration

Installation Notes and Tips

When replacing the engine air filter on Lexus Highlander, RX450h, or RX450hL models, ensure the engine is off and cool. Remove the air filter housing cover carefully to avoid damage. Install the Denso 143-3775 filter with the correct orientation to maintain proper airflow. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help sustain engine performance.

Quality Assurance and Warranty

Denso manufactures the 143-3775 engine air filter to meet strict quality standards. While specific warranty details are not provided here, Denso products typically undergo rigorous testing to ensure durability and reliable filtration performance. Using a genuine Denso FTF Air Filter helps maintain the integrity of your Lexus or Toyota’s engine air intake system.

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2022LexusRX450hN/AOE; Engine Air Filter - FTF Air Filter
2022LexusRX450hLN/AOE; Engine Air Filter - FTF Air Filter
2021LexusRX450hN/AOE; Engine Air Filter - FTF Air Filter
2021LexusRX450hLN/AFTF Air Filter
2020LexusRX450hN/AFTF Air Filter
2020LexusRX450hLN/AFTF Air Filter
2019LexusRX450hN/AFTF Air Filter
2019LexusRX450hLN/AFTF Air Filter
2019ToyotaHighlanderN/AFTF Air Filter
2018LexusRX450hN/AFTF Air Filter
2018ToyotaHighlanderN/AOE# 17801-0P090; FTF Air Filter
2017LexusRX450hN/AFTF Air Filter
2017ToyotaHighlanderN/AFTF Air Filter
2016LexusRX450hN/AFTF Air Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

CA12378

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.