Four Seasons 37530 HVAC Recirculation Door Actuator

Air Door Actuator for GM HVAC Systems

Four Seasons 37530 is an HVAC recirculation door actuator built for GM vehicles that use a female door linkage, 3 mounting ears, and a 2-pin terminal connection. It is used to control air door movement in the HVAC case, helping restore proper airflow direction and cabin temperature control.

Compatible With select Chevrolet Impala, Corvette, Malibu, Monte Carlo, Buick Allure, LaCrosse, Cadillac XLR, Pontiac Grand Prix, and Impala Limited applications. This Four Seasons Air Door Actuator line is focused on direct-fit HVAC control components for vehicles that need precise door positioning.

Key Features

• Four Seasons part number 37530
• HVAC recirculation door actuator for air door control
• Female door linkage for the specified application
• 3 mounting ears for secure installation
• 2-terminal pin electrical connection
• Direct-fit style for supported GM HVAC systems

Detailed Description

This actuator is used in HVAC systems where the recirculation or air door must move accurately between positions to manage airflow through the dash vents and heater/air conditioning case. Fits 2004-2013 Chevrolet Impala, N/A; Fits 2004-2013 Chevrolet Impala, Left Main; Fits 2004-2013 Chevrolet Impala, Right Main; Fits 2005-2013 Chevrolet Corvette, N/A; Fits 2005-2013 Chevrolet Corvette, Left Main; Fits 2005-2013 Chevrolet Corvette, Right Main; Fits 2004-2008 Chevrolet Malibu, N/A; Fits 2008 Chevrolet Malibu, Main; Fits 2004-2007 Chevrolet Monte Carlo, N/A; Fits 2004-2007 Chevrolet Monte Carlo, Left Main; Fits 2004-2007 Chevrolet Monte Carlo, Right Main; Fits 2005-2010 Buick Allure, N/A; Fits 2005-2010 Buick Allure, Left; Fits 2005-2010 Buick Allure, Right; Fits 2005-2009 Buick LaCrosse, N/A; Fits 2005-2009 Buick LaCrosse, Left Main; Fits 2005-2009 Buick LaCrosse, Right Main; Fits 2004-2009 Cadillac XLR, N/A; Fits 2004-2009 Cadillac XLR, Left Main; Fits 2004-2009 Cadillac XLR, Right Main; Fits 2004-2007 Pontiac Grand Prix, N/A; Fits 2014-2016 Chevrolet Impala Limited, N/A; Fits 2014-2016 Chevrolet Impala Limited, Left Main; Fits 2014-2016 Chevrolet Impala Limited, Right Main.

This part cross-references Autotecnica GM0614515 for the same application.

Common HVAC Problems It Can Address

• Incorrect air distribution between defrost, panel, and floor outlets
• Recirculation door movement that is stuck or inconsistent
• Temperature blend or airflow control that does not respond correctly
• HVAC clicking or repeated actuator movement from a worn unit
• Loss of proper cabin airflow control in supported Chevrolet, Buick, Cadillac, and Pontiac models

Installation Notes and Tips

Verify the connector style, door linkage type, mounting ear layout, and vehicle position before installation. On GM HVAC systems, actuator replacement is typically performed at the HVAC case, so access can vary by model and position. Confirm the replacement matches the original part number 37530 and the vehicle’s exact HVAC configuration before final assembly.

Quality Assurance

Four Seasons Air Door Actuator components are cataloged for direct application matching across supported GM vehicles, including Chevrolet Impala, Corvette, Malibu, Monte Carlo, Buick Allure, LaCrosse, Cadillac XLR, Pontiac Grand Prix, and Impala Limited fitments. Part number 37530 is listed with OE-style interchange references for application matching.