Four Seasons 73455 HVAC Mode Door Actuator

Four Seasons 73455 HVAC Air Door Actuator

Restore proper climate control operation with the Four Seasons 73455 HVAC mode door actuator. This air door actuator is built with a male door linkage, 5 mounting ears, and a 5-pin terminal layout for direct replacement in supported Mazda HVAC systems.

Compatible with Mazda CX-5, Mazda 6, Mazda 3, and Mazda 3 Sport applications, this Four Seasons Air Door Actuator line part is used to control airflow direction inside the HVAC housing. If your Mazda has inconsistent vent selection, stuck mode changes, or a door that no longer responds correctly, part number 73455 is the replacement to check.

Key Features

• HVAC mode door actuator for air distribution control
• Male door linkage for the specified HVAC door connection
• 5 mounting ears for the listed application fitment
• 5-terminal pin configuration
• Four Seasons part number 73455
• Cross-references Monroe Shocks & Struts 604452 and A60455 for the same application

Detailed Description

The Four Seasons Air Door Actuator product line focuses on HVAC control components that move internal blend and mode doors. Part number 73455 is a Mazda HVAC mode door actuator used in systems where the actuator directs air to the floor, panel, defrost, or a combination of outlets. It is listed for 2021-2024 Mazda CX-5, 2021 Mazda 6, 2014-2020 Mazda 6, 2013-2020 Mazda CX-5, 2014-2018 Mazda 3, and 2014-2018 Mazda 3 Sport. For buyers searching for a Mazda CX-5 air door actuator or Mazda 6 HVAC mode door actuator, this part number provides a direct reference point.

What It Helps Solve

• Airflow stuck on one vent setting
• Mode changes that do not respond to dash controls
• Improper air direction between defrost, panel, and floor outlets
• Clicking or binding from a worn HVAC actuator
• Loss of consistent HVAC mode door movement

Installation Notes and Tips

Verify the connector style, door linkage type, mounting ear count, and terminal pin count before installation. Confirm the vehicle year and model against the listed fitment for Mazda CX-5, Mazda 6, Mazda 3, and Mazda 3 Sport applications. After installation, cycle the HVAC controls to confirm the mode door responds correctly across all settings.

Quality Assurance

Four Seasons supplies HVAC replacement components for service applications, and part number 73455 is cataloged as an HVAC air door actuator for the listed Mazda vehicles. Use the fitment data and connector specifications to confirm application match before purchase.