Denso 143-3791 Engine Air Filter

Denso FTF Air Filter for Acura RDX

The Denso FTF Air Filter, part number 143-3791, is an engine air filter built for direct-fit service on select Acura RDX applications. It is engineered to meet Denso quality standards for filtration performance and consistent fitment, making it a practical choice for routine intake system maintenance.

Key Features

• Engine air filter for select Acura RDX models
• Denso First Time Fit product line for OE-style replacement fitment
• Designed to support clean airflow into the engine intake system
• Built to Denso quality standards for filtration consistency
• Cross-references FRAM CA11413 and Wix 49211 for the same application

Detailed Description

Denso 143-3791 is part of the FTF Air Filter line, a product range focused on direct replacement fitment and dependable filtration performance. This engine air filter is listed for 2013-2018 Acura RDX models and is intended for drivers who want a replacement that matches the vehicle’s original service requirements. If you are searching for an Acura RDX engine air filter, Acura RDX air filter replacement, or Denso 143-3791 for 2013-2018 Acura RDX fitment, this part matches the confirmed application data.

The First Time Fit line is Denso’s OE-style replacement program for filtration components, developed to deliver consistent fit and quality control. This part also cross-references Acura 17220-R8A-A01 and 17220R8AA01 for the same application.

What It Helps Address

• Restricted engine airflow from a dirty or clogged air filter
• Reduced intake efficiency caused by worn filtration media
• Routine maintenance needs on 2013-2018 Acura RDX models
• Replacement of an original-style engine air filter at service intervals

Installation Notes and Tips

Install this filter in the engine air intake housing on the confirmed Acura RDX applications. Verify the old filter’s dimensions and housing style before installation, and inspect the air box for debris before closing the assembly. For best results, replace the filter during scheduled maintenance and check the intake tract for leaks or damaged seals.

Quality Assurance

Denso develops filtration components as an established OEM supplier, and the FTF Air Filter line is produced to meet Denso’s internal quality standards for fit and performance. Quality assurance is stated by the manufacturer for this product line.