Denso 143-3801 Engine Air Filter

Denso FTF Air Filter for Honda Accord

The Denso FTF Air Filter 143-3801 is an engine air filter built for select Honda Accord applications. It supports clean intake airflow for 2018-2022 Honda Accord models and is a direct-fit replacement for the listed vehicles.

Key Features

• Engine air filter for select Honda Accord models
• Denso First Time Fit Air Filter line for OE-style replacement fitment
• Built to Denso quality standards for filtration performance
• Direct replacement part number 143-3801
• Cross-references Honda 17220-6B2-A00 and Wix WA10872 for the same application

Product Details

Denso’s FTF Air Filter line is engineered as a First Time Fit replacement solution for drivers who want a filter that matches the vehicle application closely. As an OEM-focused filtration supplier, Denso applies its manufacturing experience to this engine air filter for the Honda Accord, helping maintain proper intake system operation on 2018-2022 models. The part number 143-3801 is also referenced in aftermarket catalogs for related applications.

Compatible With 2021-2022 Honda Accord, N/A. Compatible With 2018-2020 Honda Accord, N/A. This part cross-references Honda (e.g., 17220-6B2-A00) and Wix (e.g., WA10872) for the same application.

What It Helps Address

• Restricted engine airflow from a dirty or clogged air filter
• Routine maintenance replacement for Honda Accord intake service
• Dust and debris entering the engine intake path
• Reduced filtration performance from an aged filter element
• Incorrect fitment when replacing the original Honda Accord air filter

Installation Notes and Tips

Verify the vehicle year and engine air filter application before installation. Compare the old filter to the new Denso 143-3801 part number and confirm the housing shape and sealing surfaces match the listed Honda Accord fitment. Replace the filter according to the vehicle maintenance schedule or sooner if driving conditions are dusty.

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. This product is backed by Denso’s experience as a global OEM supplier of engine filtration components.