Baldwin PA4403 Cabin Air Filter

Baldwin PA4403 Cabin Air Filter for Mazda

The Baldwin PA4403 cabin air filter is a direct-fit HVAC filter for select Mazda vehicles. It is built to match the listed OE dimensions and application details for Mazda 3 and Mazda 5 models, helping maintain clean air flow through the vehicle’s heating and cooling system.

Key Features

• Cabin air filter for Mazda automotive HVAC systems
• Part number PA4403
• Replaces Mazda BP4K-61-J6X
• Attached gasket on the smaller filter section
• Uses 2 filters per application
• Dimensions: 8 7/8 in. x 9 1/4 in. x 4 in. and 8 7/8 in. x 9 5/16 in. x 3 25/32 in.

Detailed Description

The Baldwin PA4403 is a cabin air filter designed for Mazda HVAC filter applications that call for OE-style sizing and fitment. This part number PA4403 matches the listed Mazda BP4K-61-J6X replacement reference and is specified for Mazda 3, Mazda 3 Sport, and Mazda 5 models across the years shown below. For buyers searching for a Mazda 3 cabin air filter or Mazda 5 cabin air filter, this filter provides a fitment-specific replacement option based on the published dimensions and OE cross-reference.

Compatible With: 2006-2010 Mazda 3, N/A; 2009 Mazda 3 Sport, N/A; 2006-2010 Mazda 5, N/A; 2012-2016 Mazda 5, N/A; 2017 Mazda 5, N/A. This part cross-references Mazda BP4K-61-J6X for the same application.

What It Helps Address

• Reduced HVAC airflow from a restricted cabin filter
• Dust and debris entering the passenger compartment through the ventilation system
• Loss of cabin air filtration performance in Mazda 3 and Mazda 5 applications
• Need for an OE-reference replacement cabin air filter
• Fitment issues caused by incorrect filter dimensions

Installation Notes and Tips

Verify the vehicle year, model, and OE number before ordering. This application uses two filters per vehicle, and the attached gasket is listed on the smaller filter. Compare the published length, width, and height measurements to the removed filter to confirm proper fit before installation.

Quality Assurance

Baldwin publishes this filter with OE replacement fitment details and exact dimensional data for Mazda applications. The PA4403 is listed as a direct replacement for Mazda BP4K-61-J6X and is cataloged for the specific Mazda 3 and Mazda 5 model years shown above.