Four Seasons 73105 HVAC Mode Door Actuator - Auxiliary

Four Seasons 73105 Air Door Actuator

The Four Seasons 73105 Air Door Actuator is an HVAC mode door actuator built for precise air distribution control in the cabin. It uses a 5-terminal pin layout, an arm-style door linkage, and a 3-ear mounting design to support proper movement of the HVAC air door.

Compatible with 2004-2007 Ford Freestar auxiliary HVAC air door applications, this Four Seasons Air Door Actuator helps restore correct airflow direction through the heating and air conditioning system. The 73105 is a direct-fit style replacement for vehicles that need accurate mode door operation.

Key Features

• HVAC mode door actuator for cabin airflow control
• Arm-style door linkage for the air door mechanism
• 3 mounting ears for secure installation
• 5-terminal pin electrical connection
• Fits 2004-2007 Ford Freestar, Auxiliary
• Four Seasons 73105 replacement for HVAC air door service

Product Details

Four Seasons Air Door Actuator line components are built for HVAC control applications where the mode door must move accurately between airflow positions. This unit is listed as an HVAC Air Door Actuator with an arm linkage, making it suitable for auxiliary system operation in the Ford Freestar. If your vehicle is showing inconsistent vent selection or the cabin air is not routing correctly, the 73105 provides the replacement format needed for this repair. This part cross-references Pioneer Automotive Industries 604909 for the same application.

Common Issues This Part Can Address

• Airflow stuck on one vent setting
• Loss of control between defrost, panel, and floor modes
• Clicking or binding from the HVAC door area
• Inconsistent auxiliary HVAC air direction
• Failure of the mode door to respond to control input

Installation Notes and Tips

Verify the connector style, mounting ear layout, and linkage type before installation. On 2004-2007 Ford Freestar auxiliary HVAC systems, confirm the replacement actuator matches the original 5-pin configuration and arm linkage orientation. After installation, cycle the HVAC controls to confirm the air door moves through each mode position correctly.

Quality Assurance

Four Seasons manufactures HVAC replacement components for repair applications that require accurate fit and function. The 73105 part number is also referenced by 4F2Z19E616DA, 65517081, A27405, BDAD1117, MT18550, and YH1861 for the same application.