Four Seasons 73308 HVAC Blend Door Actuator - Auxiliary

Four Seasons 73308 Air Door Actuator Overview

The Four Seasons 73308 HVAC blend door actuator is an auxiliary air door actuator built for precise control of airflow inside the climate system. It uses a 7-terminal pin layout, a 4-ear mounting design, and an arm-style door linkage to match the original actuator configuration on select Honda and Acura applications.

Compatible With 2007-2013 Acura MDX, Auxiliary and 2009-2015 Honda Pilot, Auxiliary. This Four Seasons Air Door Actuator line is focused on direct-fit HVAC control components for vehicles that need accurate blend door movement and consistent cabin temperature control.

Key Features

• Four Seasons part number 73308
• HVAC blend door actuator for auxiliary air door operation
• Arm-style door linkage for the specified application
• 4 mounting ears for OE-style attachment points
• 7 terminal pins for the correct electrical interface
• Cross-references Global Parts Distributors LLC 1712479 for the same application

Detailed Description

The Four Seasons 73308 is an HVAC air door actuator used to move the blend door in the auxiliary climate circuit. In vehicles such as the Honda Pilot and Acura MDX, this actuator helps regulate how air is directed and mixed through the HVAC system, supporting proper temperature control and airflow distribution. The part number 73308 is also referenced by interchange numbers including 79260STXA01 and 79260SZA305.

For buyers searching for a Honda Pilot auxiliary blend door actuator or an Acura MDX auxiliary HVAC actuator, this unit provides the specified linkage style, mounting pattern, and terminal count needed for the listed fitments. The Four Seasons Air Door Actuator product line is organized around replacement HVAC control parts that align with original equipment configurations.

What It Helps Solve

• Stuck or unresponsive auxiliary temperature control
• Airflow that remains directed to one vent position
• Inconsistent hot or cold air blending in the cabin
• Clicking or repeated movement from a failing actuator
• Loss of proper HVAC door positioning in the auxiliary system

Installation Notes and Tips

Verify the vehicle’s auxiliary HVAC actuator location, connector style, terminal count, and door linkage before installation. Match the 4-ear mounting pattern and arm-style linkage to the removed unit, and confirm the application by year, make, model, and position. For search accuracy, this part is commonly referenced as a Honda Pilot auxiliary air door actuator and an Acura MDX auxiliary blend door actuator.

Quality Assurance

Four Seasons supplies HVAC replacement components for OE-style fit and function in the listed applications. Confirm the part number 73308 against the original actuator and vehicle fitment details before ordering.