Four Seasons 73449 HVAC Mode Door Actuator - Auxiliary

Four Seasons 73449 Air Door Actuator Overview

The Four Seasons 73449 Air Door Actuator is an HVAC mode door actuator built for precise air door movement in the climate control system. It is a direct-fit style replacement for select Honda Pilot applications and uses a 7-terminal pin layout with an arm-style door linkage.

Compatible with 2009-2015 Honda Pilot auxiliary HVAC air door actuator applications, this Four Seasons Air Door Actuator line is focused on restoring proper airflow direction through the HVAC system. The 73449 part number is also referenced in interchange listings for related replacement searches.

Key Features

• HVAC mode door actuator for air distribution control
• Arm-style door linkage for the specified application
• 4 mounting ears for secure installation alignment
• 7 terminal pins for the electrical connection layout
• Fits 2009-2015 Honda Pilot, auxiliary
• Four Seasons 73449 replacement part number for catalog matching

Detailed Product Description

This Four Seasons Air Door Actuator is used in the HVAC system to move the mode door that directs cabin air to the selected vents. In 2009-2015 Honda Pilot auxiliary applications, the actuator helps maintain correct airflow routing for defrost, panel, and floor settings when the original unit is worn or no longer responding properly. The 73449 part number is a useful reference when searching for a Honda Pilot HVAC mode door actuator or an auxiliary air door actuator replacement.

This part cross-references 80224STXA01 and 604872 for the same application.

Common Issues This Part May Address

• Airflow stuck on one vent position
• HVAC mode changes that do not respond correctly
• Clicking or binding from a failing mode door actuator
• Inconsistent air direction in the cabin
• Loss of auxiliary HVAC air door movement

Installation Notes and Tips

Verify the connector style, mounting ear layout, and door linkage before installation. Match the actuator to the auxiliary position listed for your vehicle and confirm the replacement part number 73449 against the original unit when possible. After installation, cycle the HVAC controls to confirm smooth mode door operation and proper airflow direction.

Quality Assurance

Four Seasons catalogs this part within its Air Door Actuator line for HVAC replacement use. The 73449 actuator is listed with defined mounting and terminal specifications to support accurate application matching for the Honda Pilot auxiliary HVAC system.