Four Seasons 73240 HVAC Recirculation Door Actuator - Left Main or Right Main

HVAC Recirculation Door Actuator for GM SUVs

Four Seasons 73240 is an HVAC air door actuator built for recirculation door control in select Buick, Chevrolet, GMC, and Saturn vehicles. It is a direct-fit style replacement for the air door actuator used on the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook across the listed model years.

The Four Seasons Air Door Actuator line focuses on restoring proper HVAC door movement so the system can direct cabin air as intended. Part number 73240 uses a 5-terminal pin layout, a female door linkage, and a 3-ear mounting design for the specified applications.

Key Features

• Four Seasons Air Door Actuator, part number 73240
• HVAC recirculation door actuator for select GM crossover applications
• Female door linkage
• 3 mounting ears
• 5 terminal pins
• Direct replacement style for listed Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook applications

Detailed Description

Four Seasons 73240 is an HVAC air door actuator used to control recirculation door functionality in the heating and air conditioning system. In vehicles such as the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook, this actuator helps move the internal HVAC door that manages airflow routing through the dash system. When the actuator wears out or loses calibration, the system may stop responding correctly to temperature or mode commands.

This part cross-references Autotecnica GM0614527 for the same application. It is also identified by interchange part numbers including 604140 and 1573989.

What It Helps Address

• Recirculation door stuck in one position
• Incorrect airflow routing through the HVAC system
• Loss of response when changing air distribution settings
• Clicking or repeated movement from a failing actuator
• Uneven cabin comfort caused by improper door control

Installation Notes and Tips

Verify connector style, mounting ear layout, and linkage type before installation. This actuator is listed for Left Main, Right Main, and N/A positions depending on the vehicle application, so confirm the exact HVAC location on the vehicle before ordering. After installation, cycle the HVAC controls to allow the system to relearn door position if required by the vehicle.

Quality Assurance

Four Seasons is a recognized aftermarket brand in HVAC service parts, and this actuator is cataloged for the specified GM applications to support accurate fitment selection. Confirm the part number 73240 against the vehicle’s original actuator and connector configuration before replacement.