Four Seasons 73707 HVAC Mode Door Actuator

HVAC Mode Door Actuator for Subaru Legacy and Outback

Restore proper air distribution in the cabin with the Four Seasons 73707 HVAC mode door actuator. This HVAC air door actuator is built for Subaru Legacy and Subaru Outback applications and is designed around the cam-style door linkage used in the system.

• HVAC mode door actuator for air direction control
• Cam-style door linkage for the specified application
• 3 mounting ears for secure installation
• 5-terminal pin electrical connection
• Four Seasons part number 73707

Application Details

Compatible with 2018-2019 Subaru Legacy, 2019 Subaru Outback, and 2018 Subaru Outback from 1/2017. This Four Seasons 73707 actuator is a direct-fit HVAC control component for vehicles that need precise mode door movement for dash vent, floor, and defrost air routing. It also cross-references 72131AL09A for the same application.

What It Helps Fix

• Airflow stuck at one vent position
• Inconsistent switching between dash, floor, and defrost modes
• Clicking or binding from a worn mode door actuator
• Loss of proper HVAC air direction control
• Faults related to the mode door actuator circuit

Installation Notes

Verify the cam linkage style, 3-ear mounting layout, and 5-pin connector before installation. Confirm the vehicle build date for 2018 Subaru Outback models, since this application applies from 1/2017. After installation, cycle the HVAC controls to allow the actuator to relearn its position and confirm smooth mode door operation.

Quality Assurance

Four Seasons engineers and tests its HVAC components for dependable operation, drawing on more than 50 years of mobile air conditioning experience. Part number 73707 is built to support long-term service in the specified Subaru Legacy and Subaru Outback applications.