Denso 143-3793 Engine Air Filter

Denso FTF Air Filter for Acura RDX

The Denso 143-3793 is a First Time Fit engine air filter built for direct replacement service on select Acura RDX applications. It supports clean intake airflow while helping maintain proper engine protection for daily driving and routine maintenance.

Key Features

• Engine air filter for air and fuel delivery service
• Denso First Time Fit product line for OE-style replacement fitment
• Built to Denso quality standards for filtration performance
• Direct-fit application for select Acura RDX models
• Cross-references Purolator A31440 and Wix WA10907 for the same application

Detailed Description

Denso 143-3793 is an engine air filter from the FTF Air Filter line, engineered for vehicles that require a precise replacement filter with consistent filtration performance. For 2019-2024 Acura RDX service, this filter supports the intake system by helping keep dust and debris out of the engine while maintaining normal airflow. It is a practical choice for owners looking for an OE-style replacement for Acura RDX maintenance, including 2019-2021 Acura RDX and 2022-2024 Acura RDX engine air filter service.

The First Time Fit line reflects Denso’s focus on replacement parts that match application requirements closely. Part number 143-3793 is also referenced in Acura service applications under 17220-5MS-H00 / 172205MSH00.

What It Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Dust and road debris entering the intake system
• Reduced filtration performance during routine maintenance intervals
• Replacement needs for Acura RDX air filter service
• Fitment matching for 2019-2024 Acura RDX applications

Installation Notes and Tips

Verify the vehicle year and model before installation. This part fits 2019-2021 Acura RDX and 2022-2024 Acura RDX, position N/A, as listed in the fitment data. Inspect the airbox and sealing surfaces before installing the new filter, and replace the filter according to the vehicle maintenance schedule or when contamination is visible.

Quality Assurance

Denso states that First Time Fit Air Filters are built to its quality standards and backed by quality assurance for the product line. As a global OEM leader in engine filtration components, Denso applies its manufacturing experience to replacement filtration parts like the 143-3793.