Four Seasons 73510 HVAC Recirculation Door Actuator

Four Seasons 73510 HVAC Air Door Actuator

The Four Seasons 73510 is an HVAC recirculation door actuator for vehicles that use a cam-style door linkage and a 5-pin electrical connection. It is built for air door control in the climate system, helping restore proper recirculation function in supported Toyota and Lexus applications.

Key Features

• Four Seasons Air Door Actuator line for HVAC recirculation door service
• Cam-style door linkage for the specified HVAC door design
• 4 mounting ears for secure installation alignment
• 5 terminal pins for the correct electrical interface
• Direct replacement part number 73510 for listed applications

Product Details

This HVAC air door actuator is used in climate control systems where the recirculation door must move accurately between fresh-air and recirculated-air positions. The Four Seasons 73510 is listed for 2003-2009 Toyota 4Runner and 2003-2009 Lexus GX470 applications, including 2003 Lexus GX470 from 11/02 and 2009 Lexus GX470 to 8/09. If you are searching for a 2003-2009 Toyota 4Runner HVAC recirculation door actuator or a Lexus GX470 air door actuator, this part number 73510 matches the specified fitment and connector style.

This part cross-references Marmon Ride Control A60510 for the same application.

Common Symptoms It Can Address

• Recirculation door stuck in one position
• Incorrect airflow direction from the HVAC system
• Clicking or repeated movement from the dash HVAC area
• Loss of recirculation control on the climate panel
• Temperature or airflow distribution issues tied to door movement

Installation Notes

Verify the cam linkage, 4-ear mounting pattern, and 5-pin connector before installation. Confirm vehicle year breakpoints for Lexus GX470 models, including the 11/02 and 8/09 notes, and compare the original actuator to part number 73510 before replacement. Proper HVAC calibration or system relearn procedures should be checked according to the vehicle service information after installation.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with a dedicated Air Door Actuator product line. This replacement actuator is cataloged for the listed Toyota 4Runner and Lexus GX470 applications to support accurate fitment selection.