Four Seasons 73511 HVAC Blend Door Actuator - Left

Four Seasons 73511 HVAC Blend Door Actuator

Restore proper air distribution in the cabin with the Four Seasons Air Door Actuator, part number 73511. This HVAC blend door actuator uses a 5-terminal pin layout, an arm-style door linkage, and a 4-ear mounting design for direct replacement service in supported Lexus and Toyota applications.

The Four Seasons Air Door Actuator line focuses on HVAC door control components that help regulate airflow direction and temperature blend inside the climate system. For drivers searching for a Lexus GX470 blend door actuator or a Toyota 4Runner HVAC air door actuator, this part number 73511 matches the listed OE-style application details.

Key Features

• HVAC blend door actuator for cabin air control
• Arm-style door linkage for the specified door connection
• 4 mounting ears for secure installation
• 5-terminal pin configuration
• Direct-fit replacement for listed Lexus GX470 and Toyota 4Runner applications
• Four Seasons part number 73511

Detailed Description

Four Seasons 73511 is an HVAC blend door actuator used to control the movement of the air door inside the heating and air conditioning system. It is listed for 2003-2009 Toyota 4Runner, 2004-2008 Lexus GX470, and 2003 Lexus GX470 from 11/02, with a left-side application on the GX470 listings. If you are searching for a 2004-2008 Lexus GX470 left HVAC air door actuator or a 2003-2009 Toyota 4Runner blend door actuator, this part number 73511 belongs in that fitment group.

This part cross-references A60511 for the same application.

What It Helps Resolve

• Incorrect cabin temperature blend
• Airflow stuck in one vent position
• HVAC door movement problems
• Loss of proper left-side air door control on listed GX470 applications
• Climate control response issues tied to the actuator

Installation Notes and Tips

Verify the vehicle year, model, and position before installation. Match the arm-style linkage, 4-ear mounting pattern, and 5-terminal connector layout to the original unit before replacing the actuator. For fitment-based searches, this is the correct type of Lexus GX470 HVAC blend door actuator and Toyota 4Runner air door actuator only when the listed application details match the vehicle.

Quality Assurance

Four Seasons supplies HVAC replacement components for climate control service, and part number 73511 is cataloged to the listed OE-style applications for consistent fitment verification.