Denso 143-3492 Engine Air Filter

Engine Air Filter Overview

Denso First Time Fit Engine Air Filter 143-3492 is built for direct replacement service in select applications. It uses a rectangular filter shape with dimensions that match the listed fitment, helping maintain proper air intake sealing and filtration performance.

Compatible With Buick LaCrosse, Buick Regal, Chevrolet Impala, Chevrolet Malibu, and Saab 9-5 applications listed below. This part number, 143-3492, is a fitment-specific replacement for drivers servicing the intake system on these vehicles.

Key Features

• Rectangular engine air filter design for the specified applications.
• Dimensioned at 290.0 by 258.0 with a 41.0 height.
• Denso First Time Fit line focuses on OE-style replacement standards.
• Cross-references FRAM CA10685 and Wix 49421, 49894 for the same application.

Detailed Description

Denso 143-3492 is an engine air filter from the First Time Fit line, a product family positioned around accurate replacement fit and consistent filtration quality. As an air and fuel delivery filter, it serves the engine intake system by filtering incoming air before it reaches the engine. The rectangular form and listed dimensions support proper fit in the confirmed applications, including Buick LaCrosse, Buick Regal, Chevrolet Impala, Chevrolet Malibu, and Saab 9-5 models.

For buyers searching for a Buick LaCrosse engine air filter, Buick Regal air filter, or Chevrolet Malibu engine air filter, this part number 143-3492 provides a direct-reference option tied to the listed vehicle coverage. It is also a practical match for Chevrolet Impala and Saab 9-5 fitment where the same application is specified.

What It Helps Address

• Restricted airflow caused by a dirty or clogged engine air filter.
• Dust and debris entering the intake system.
• Loss of filtration efficiency from a worn filter element.
• Incorrect filter sizing when replacing by application.

Installation Notes and Tips

Verify the vehicle application against the listed fitment before ordering. Confirm the filter shape and dimensions match the existing housing, especially on Buick LaCrosse, Buick Regal, and Chevrolet Malibu applications. Replace the filter during routine intake service and inspect the airbox for debris before installing the new part.

Quality Assurance

Denso states that First Time Fit air filters are engineered to meet its quality standards, and the brand identifies this line as quality assured. Denso also notes its background as a global OEM leader in engine filtration components, which supports the product line's replacement focus.