Denso 143-3659 Engine Air Filter

Denso FTF Air Filter for Mazda 2

The Denso 143-3659 engine air filter is built for drivers who want a direct-fit replacement for the Mazda 2. With a rectangular profile and OE-style dimensions, it supports proper airflow and filtration for everyday driving.

Denso’s First Time Fit Air Filter line is engineered to meet the brand’s quality standards for fit and performance. For 2011-2014 Mazda 2 applications, this filter is a straightforward choice when replacing a worn engine air filter.

Key Features

• Engine air filter for air and fuel delivery service
• Rectangular filter shape for OE-style fitment
• Dimensions: 313.0 mm side A length, 200.0 mm side B length, 35.0 mm height
• Designed for 2011-2014 Mazda 2, N/A position
• Denso First Time Fit line for direct replacement applications
• Part number 143-3659 for easy identification

Product Details

The Denso 143-3659 is an engine air filter made for the Mazda 2 platform from 2011 through 2014. Its rectangular construction and listed dimensions help ensure the filter seats correctly in the air box while maintaining the intended filtration path. This part number, 143-3659, is also useful when cross-checking service records or ordering by OE-style reference.

This part cross-references FRAM CA9894 for the same application.

What It Helps Address

• Restricted airflow caused by a dirty or clogged air filter
• Dust and debris entering the engine intake system
• Reduced throttle response from a neglected filter element
• Service replacement needs on 2011-2014 Mazda 2 models
• Incorrect fitment from using the wrong filter size or shape

Installation Notes and Tips

Verify the air box dimensions and compare the old filter to the listed measurements before installation. Confirm the vehicle application as 2011-2014 Mazda 2, N/A position, and match the rectangular shape to the original filter housing. Inspect the air box for dirt or debris before installing the new filter.

Quality Assurance

Denso develops First Time Fit Air Filters to meet its internal quality standards, drawing on its experience as a global OEM supplier of engine filtration components. The 143-3659 is built as a direct replacement for the specified Mazda 2 applications.