Four Seasons 73024 HVAC Mode Door Actuator - Left Main
OE Quality 60-Day Returns
Four Seasons
 Air Door Actuator

Four Seasons 73024 HVAC Mode Door Actuator - Left Main

Brand Four Seasons 73024
Position Left Main
Door Linkage Female
Mounting Ear Qty. 3
Style HVAC Air Door Actuator
Terminal Pin Qty. 5
Product line Air Door Actuator
Fits Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile · 114 vehicles

Air door actuator. Controls HVAC airflow direction with precise door movement.

5-pin design. Supports reliable electrical connection for consistent operation.

3 mounting ears. Provides a secure, stable installation.

Cross-references FEL-PRO 73024, Global Parts Distributors LLC 1712076 and 604119 for the same application. See all 10.

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Not what you need? See all HVAC Mode Door Actuator options

HVAC Air Door Actuator for GM SUVs

Four Seasons 73024 is an HVAC mode door actuator built for vehicles that need precise control of airflow direction inside the cabin. It is a direct-fit air door actuator for selected Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, Buick Rainier, Chevrolet SSR, and related applications.

The Four Seasons Air Door Actuator line focuses on restoring proper movement of the HVAC blend and mode doors. This part number, 73024, uses a 5-terminal pin layout, a female door linkage, and a 3-ear mounting design for the listed applications.

Key Features

  • Four Seasons Air Door Actuator, part number 73024
  • HVAC mode door actuator for air distribution control
  • Female door linkage
  • 3 mounting ears
  • 5 terminal pins
  • Fits selected Chevrolet Trailblazer and GMC Envoy applications
  • Also listed for Saab 9-7x, Isuzu Ascender, Buick Rainier, Chevrolet SSR, Trailblazer EXT, Envoy XL, Envoy XUV, and Oldsmobile Bravada

Detailed Description

Four Seasons 73024 is used in HVAC systems to move the mode door that directs air to the defrost, main, or other cabin outlets. Fitment includes 2003-2009 Chevrolet Trailblazer, 2004-2009 Chevrolet Trailblazer left main, 2003-2009 GMC Envoy, 2004-2009 GMC Envoy left main, 2005-2009 Saab 9-7x, and 2003-2008 Isuzu Ascender. It also fits 2004-2007 Buick Rainier, 2004-2006 Chevrolet SSR, 2003-2006 Chevrolet Trailblazer EXT, 2003-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2003-2004 Oldsmobile Bravada.

This part cross-references Global Parts Distributors LLC 1712076 for the same application. Four Seasons 73024 is also listed with interchange references including 604119, 1573598, 6552303, 89018676, 8890186760, A27324, BDAD1036, and MT18521.

What It Helps Fix

  • Airflow stuck on defrost, panel, or floor settings
  • Inconsistent cabin air direction
  • HVAC mode door movement problems
  • No response when changing vent selection
  • Fault codes or actuator noise related to the HVAC door system

Installation Notes and Tips

Verify the connector style, 5-pin terminal layout, and mounting ear configuration before installation. Confirm whether your vehicle uses the left main or defrost/main application listed in the fitment data for Chevrolet Trailblazer, GMC Envoy, and related models. Matching the exact year, model, and position is important because some 2003 applications note a second design.

Quality Assurance

Four Seasons supplies HVAC components for repair and replacement applications, and this actuator is cataloged to match the listed OE-style fitments for proper mode door operation.

Related reading

This part fits 114 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2009ChevroletTrailblazer—N/ADefrost; Main; Air Door Actuator
2009ChevroletTrailblazer—Left MainAir Door Actuator
2009GMCEnvoy—N/ADefrost; Main; Air Door Actuator
2009GMCEnvoy—Left MainAir Door Actuator
2009Saab9-7x—N/ADefrost; Main; Air Door Actuator
2009Saab9-7x—Left MainAir Door Actuator
2008ChevroletTrailblazer—N/ADefrost; Main; Air Door Actuator
2008ChevroletTrailblazer—Left MainAir Door Actuator
2008GMCEnvoy—N/ADefrost; Main; Air Door Actuator
2008GMCEnvoy—Left MainAir Door Actuator
2008IsuzuAscender—N/ADefrost; Main; Air Door Actuator
2008IsuzuAscender—Left MainAir Door Actuator
2008Saab9-7x—N/ADefrost; Main; Air Door Actuator
2008Saab9-7x—Left MainAir Door Actuator
2007BuickRainier—N/ADefrost; Air Door Actuator
2007BuickRainier—Left MainAir Door Actuator
2007ChevroletTrailblazer—N/ADefrost; Main; Air Door Actuator
2007ChevroletTrailblazer—Left MainAir Door Actuator
2007GMCEnvoy—N/ADefrost; Main; Air Door Actuator
2007GMCEnvoy—Left MainAir Door Actuator
2007IsuzuAscender—N/ADefrost; Main; Air Door Actuator
2007IsuzuAscender—Left MainAir Door Actuator
2007Saab9-7x—N/ADefrost; Main; Air Door Actuator
2007Saab9-7x—Left MainAir Door Actuator
2006BuickRainier—N/ADefrost; Air Door Actuator
2006BuickRainier—Left MainAir Door Actuator
2006ChevroletSSR—Left MainAir Door Actuator
2006ChevroletTrailblazer—N/ADefrost; Main; Air Door Actuator
2006ChevroletTrailblazer—Left MainAir Door Actuator
2006ChevroletTrailblazerBaseN/ADefrost; Main; Air Door Actuator
2006ChevroletTrailblazerBaseLeft MainAir Door Actuator
2006ChevroletTrailblazerAN/ADefrost; Main; Air Door Actuator
2006ChevroletTrailblazerALeft MainAir Door Actuator
2006ChevroletTrailblazerBN/ADefrost; Main; Air Door Actuator
2006ChevroletTrailblazerBLeft MainAir Door Actuator
2006ChevroletTrailblazer EXT—N/ADefrost; Main; Air Door Actuator
2006ChevroletTrailblazer EXT—Left MainAir Door Actuator
2006GMCEnvoy—N/ADefrost; Main; Air Door Actuator
2006GMCEnvoy—Left MainAir Door Actuator
2006GMCEnvoy XL—N/ADefrost; Main; Air Door Actuator
2006GMCEnvoy XL—Left MainAir Door Actuator
2006IsuzuAscender—N/ADefrost; Main; Air Door Actuator
2006IsuzuAscender—Left MainAir Door Actuator
2006Saab9-7x—N/ADefrost; Main; Air Door Actuator
2006Saab9-7x—Left MainAir Door Actuator
2005BuickRainier—N/ADefrost; Air Door Actuator
2005BuickRainier—Left MainAir Door Actuator
2005ChevroletSSR—Left MainAir Door Actuator
2005ChevroletTrailblazer—N/ADefrost; Main; Air Door Actuator
2005ChevroletTrailblazer—Left MainAir Door Actuator
2005ChevroletTrailblazerBaseN/ADefrost; Main; Air Door Actuator
2005ChevroletTrailblazerBaseLeft MainAir Door Actuator
2005ChevroletTrailblazerRN/ADefrost; Main; Air Door Actuator
2005ChevroletTrailblazerRLeft MainAir Door Actuator
2005ChevroletTrailblazerAN/ADefrost; Main; Air Door Actuator
2005ChevroletTrailblazerALeft MainAir Door Actuator
2005ChevroletTrailblazerBN/ADefrost; Main; Air Door Actuator
2005ChevroletTrailblazerBLeft MainAir Door Actuator
2005ChevroletTrailblazerQN/ADefrost; Main; Air Door Actuator
2005ChevroletTrailblazerQLeft MainAir Door Actuator
2005ChevroletTrailblazer EXT—N/ADefrost; Main; Air Door Actuator
2005ChevroletTrailblazer EXT—Left MainAir Door Actuator
2005GMCEnvoy—N/ADefrost; Main; Air Door Actuator
2005GMCEnvoy—Left MainAir Door Actuator
2005GMCEnvoy XL—N/ADefrost; Main; Air Door Actuator
2005GMCEnvoy XL—Left MainAir Door Actuator
2005GMCEnvoy XUV—N/ADefrost; Main; Air Door Actuator
2005GMCEnvoy XUV—Left MainAir Door Actuator
2005IsuzuAscender—N/ADefrost; Main; Air Door Actuator
2005IsuzuAscender—Left MainAir Door Actuator
2005Saab9-7x—N/ADefrost; Main; Air Door Actuator
2005Saab9-7x—Left MainAir Door Actuator
2004BuickRainier—N/ADefrost; Air Door Actuator
2004BuickRainier—Left MainAir Door Actuator
2004ChevroletSSR—Left MainAir Door Actuator
2004ChevroletTrailblazer—N/ADefrost; Main; Air Door Actuator
2004ChevroletTrailblazer—Left MainAir Door Actuator
2004ChevroletTrailblazerBaseN/ADefrost; Main; Air Door Actuator
2004ChevroletTrailblazerBaseLeft MainAir Door Actuator
2004ChevroletTrailblazerAN/ADefrost; Main; Air Door Actuator
2004ChevroletTrailblazerALeft MainAir Door Actuator
2004ChevroletTrailblazerBN/ADefrost; Main; Air Door Actuator
2004ChevroletTrailblazerBLeft MainAir Door Actuator
2004ChevroletTrailblazer EXT—N/ADefrost; Main; Air Door Actuator
2004ChevroletTrailblazer EXT—Left MainAir Door Actuator
2004GMCEnvoy—N/ADefrost; Main; Air Door Actuator
2004GMCEnvoy—Left MainAir Door Actuator
2004GMCEnvoy XL—N/ADefrost; Main; Air Door Actuator
2004GMCEnvoy XL—Left MainAir Door Actuator
2004GMCEnvoy XUV—N/ADefrost; Main; Air Door Actuator
2004GMCEnvoy XUV—Left MainAir Door Actuator
2004IsuzuAscender—N/ADefrost; Main; Air Door Actuator
2004IsuzuAscender—Left MainAir Door Actuator
2004OldsmobileBravada—N/ADefrost; Main; Air Door Actuator
2004OldsmobileBravada—Left MainAir Door Actuator
2003ChevroletTrailblazer—N/AAir Door Actuator
2003ChevroletTrailblazer—N/ADefrost; Main; Air Door Actuator
2003ChevroletTrailblazer—Left MainSecond Design; Air Door Actuator
2003ChevroletTrailblazerBaseN/ADefrost; Main; Air Door Actuator
2003ChevroletTrailblazerBaseLeft MainSecond Design; Air Door Actuator
2003ChevroletTrailblazer EXT—N/AAir Door Actuator
2003ChevroletTrailblazer EXT—N/ADefrost; Main; Air Door Actuator
2003ChevroletTrailblazer EXT—Left MainSecond Design; Air Door Actuator
2003GMCEnvoy—N/AAir Door Actuator
2003GMCEnvoy—N/ADefrost; Main; Air Door Actuator
2003GMCEnvoy—Left MainSecond Design; Air Door Actuator
2003GMCEnvoy XL—N/AAir Door Actuator
2003GMCEnvoy XL—N/ADefrost; Main; Air Door Actuator
2003GMCEnvoy XL—Left MainSecond Design; Air Door Actuator
2003IsuzuAscender—N/ADefrost; Main; Air Door Actuator
2003IsuzuAscender—Left MainAir Door Actuator
2003OldsmobileBravada—N/AAir Door Actuator
2003OldsmobileBravada—N/ADefrost; Main; Air Door Actuator
2003OldsmobileBravada—Left MainSecond Design; Air Door Actuator
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — 73024Global Parts Distributors LLC — 171207660411915735986552303890186768890186760A27324BDAD1036MT18521