Four Seasons 73431 HVAC Recirculation Door Actuator

Four Seasons 73431 HVAC Air Door Actuator

The Four Seasons 73431 is an HVAC recirculation door actuator built for vehicles that need precise air door movement inside the climate control system. It uses an arm-style door linkage, a 3-ear mounting layout, and a 2-pin terminal connection for direct replacement service.

Compatible with Saab 9-3 and Saab 9-3X applications, this Four Seasons Air Door Actuator supports recirculation door operation in the HVAC housing. If your Saab 9-3 or Saab 9-3X has inconsistent cabin airflow control, this part number 73431 is the type of replacement used to restore proper door movement.

Key Features

• HVAC recirculation door actuator for climate control air door operation
• Arm-style door linkage for the specified application
• 3 mounting ears for secure installation alignment
• 2-terminal pin electrical connection
• Four Seasons part number 73431
• Cross-reference: 604298, 9180021

Detailed Description

Four Seasons 73431 is an HVAC air door actuator designed for recirculation door service in select Saab vehicles. The actuator’s arm linkage interfaces with the HVAC door mechanism, while the 3-ear mounting pattern and 2-pin terminal layout support a direct-fit replacement approach. This part is listed for 2003-2011 Saab 9-3 and 2010-2011 Saab 9-3X applications, making it a relevant choice when servicing the cabin air distribution system on these models.

For buyers searching for a Saab 9-3 HVAC recirculation door actuator or a Saab 9-3X air door actuator, Four Seasons 73431 provides the specified fitment and connection style for the application. The part number 73431 is also useful when matching an existing actuator by reference number.

What It Helps Address

• Recirculation door that does not move correctly
• Improper cabin airflow routing through the HVAC system
• Loss of control over fresh-air versus recirculated-air operation
• Actuator replacement needs on Saab 9-3 HVAC systems
• Actuator replacement needs on Saab 9-3X HVAC systems

Installation Notes and Tips

Verify the door linkage style, mounting ear count, and 2-pin connector before installation. Compare the existing actuator to Four Seasons 73431 and confirm the vehicle application against the listed fitment for 2003-2011 Saab 9-3 and 2010-2011 Saab 9-3X. Proper alignment with the HVAC door mechanism is important for correct recirculation function.

Quality Assurance

Four Seasons is a recognized aftermarket brand for climate control components, and this actuator is cataloged as an HVAC recirculation door actuator for the specified Saab applications. Part number 73431 is listed with defined linkage, mounting, and terminal specifications to support accurate replacement selection.