Denso 453-6044 Cabin Air Filter

Denso Particulate Cabin Air Filter for Mazda

The Denso Particulate cabin air filter is an OE recommended replacement built for cleaner in-cabin airflow. Its electrostatically charged media is made to capture ultra-fine particles, including diesel carbon and smoke, while maintaining the filtration performance expected in daily driving.

Part number 453-6044 is a direct-fit cabin air filter for select Mazda CX-5, Mazda 3, Mazda 6, and Mazda 3 Sport applications. It is part of Denso’s Particulate line, which focuses on replacement filtration for vehicles that need fine-particle capture in the HVAC system.

Key Features

• OE recommended replacement cabin air filter
• Electrostatically charged particulate media
• Captures ultra-fine particulates such as diesel carbon and smoke
• Non-reusable filter construction
• Designed for HVAC cabin air filtration
• Part number 453-6044

Detailed Description

Denso 453-6044 is a particulate cabin air filter engineered for Mazda vehicles that use a compact HVAC filter element. The electrostatic media helps trap fine airborne contaminants before they enter the passenger compartment, supporting cleaner air through the heating and air conditioning system. This filter is a practical replacement choice for drivers maintaining cabin air quality in Mazda CX-5, Mazda 3, Mazda 6, and Mazda 3 Sport models.

This part cross-references Mazda KD45-61-J6X and Wix 24103 for the same application.

What It Helps Address

• Reduced cabin air quality from dust and fine road debris
• Smoke and diesel soot entering the HVAC intake
• Restricted airflow caused by a loaded cabin filter
• Odors and airborne particulate buildup in the passenger area
• Maintenance replacement for Mazda cabin air filtration service

Installation Notes and Tips

Verify the filter dimensions before installation: 8.8 in. length, 8.04 in. width, and 0.7 in. height. Confirm the vehicle application by year, make, and model before ordering. For best HVAC performance, replace the cabin air filter at regular service intervals or when airflow and cabin air quality begin to decline.

• Fits 2019-2021 Mazda CX-5, N/A
• Fits 2014-2018 Mazda 3, N/A
• Fits 2018 Mazda 6, N/A
• Fits 2014-2017 Mazda 6, N/A
• Fits 2013-2017 Mazda CX-5, N/A
• Fits 2014-2015 Mazda 3 Sport, N/A

Quality Assurance

Denso’s Particulate line is built around OE-style replacement filtration and fine-particle capture for automotive HVAC systems. Part number 453-6044 uses electrostatic particulate media and is specified as a non-reusable cabin air filter for the listed Mazda applications.