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Part #: 143-3801

Denso 143-3801 Engine Air Filter

Engine Air Filter - FTF Air Filter
⚙️ 5 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: Honda, Accord
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Reliable Engine Air Filter for Honda Accord

The Denso 143-3801 engine air filter is designed specifically for Honda Accord models, ensuring precise fitment and optimal engine performance. This air filter helps maintain clean airflow to your engine, supporting efficient combustion and protecting internal components.

  • Compatible with Honda Accord vehicles
  • Part number 143-3801 for exact replacement
  • Engine air filter type for air and fuel delivery systems
  • Manufactured by Denso, a trusted automotive parts brand
  • Part of the FTF Air Filter product line

About the Denso FTF Air Filter Product Line

The FTF Air Filter line by Denso focuses on delivering reliable filtration solutions tailored to specific vehicle applications. This product line emphasizes compatibility and quality to support engine longevity and performance. The 143-3801 filter is engineered to meet the airflow and filtration requirements of Honda Accord engines, aligning with the standards set by the FTF Air Filter series.

Product Details and Functionality

The Denso 143-3801 engine air filter is designed to trap dust, dirt, and other airborne contaminants before they enter the engine. By maintaining clean air intake, it helps preserve engine components and supports fuel efficiency. This filter is engineered to fit Honda Accord models precisely, ensuring a secure seal and consistent airflow. Using the correct air filter like the 143-3801 helps maintain engine performance and reduces the risk of damage caused by debris.

Common Issues Addressed by This Air Filter

  • Prevents engine wear caused by dust and dirt particles
  • Helps maintain optimal fuel combustion efficiency
  • Reduces the risk of clogged air intake systems
  • Supports consistent engine power and responsiveness
  • Minimizes potential damage to internal engine components

Installation Notes and Tips

When replacing the engine air filter on your Honda Accord, ensure the engine is off and cool. Remove the air filter housing cover carefully to avoid damage. Install the Denso 143-3801 filter with the correct orientation to maintain proper airflow. Verify that the filter seats securely within the housing to prevent unfiltered air from entering the engine. Regular inspection and timely replacement of the air filter help maintain engine health.

Quality Assurance and Warranty

Denso manufactures the 143-3801 engine air filter to meet strict quality standards. While specific warranty details are not provided, Denso products typically undergo rigorous testing to ensure durability and performance. Using a genuine Denso air filter supports reliable engine operation and aligns with manufacturer recommendations for Honda Accord maintenance.

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2022HondaAccordN/AEngine Air Filter - FTF Air Filter
2021HondaAccordN/AEngine Air Filter - FTF Air Filter
2020HondaAccordN/AFTF Air Filter
2019HondaAccordN/AFTF Air Filter
2018HondaAccordN/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:

17220-6B2-A00172206B2A00

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