HomeHVAC > Temperature Controls and Related ComponentsDorman 604-130 HVAC Blend Door Actuator - Auxiliary
Part #: 604-130

Dorman 604-130 HVAC Blend Door Actuator - Auxiliary

Auxiliary
⚙️ 32 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Isuzu, Chevrolet, and GMC, Ascender, Trailblazer EXT, and Envoy XL
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Overview of the Dorman HVAC Blend Door Actuator 604-130

The Dorman HVAC Blend Door Actuator 604-130 is designed to provide reliable control of the HVAC system in select Chevrolet, GMC, and Isuzu vehicles. This actuator features a rotary switch activation type and is constructed from durable plastic to ensure consistent performance.

  • Rotary switch activation for precise HVAC blend door control
  • Durable plastic construction for long-lasting use
  • Includes one actuator per package
  • Compatible with Chevrolet Ascender, GMC Envoy XL, and Trailblazer EXT models
  • OEM part number 604-130 for accurate replacement

Detailed Product Description

The Dorman 604-130 HVAC Blend Door Actuator is engineered to regulate the airflow and temperature inside the vehicle cabin by controlling the blend door position. Its rotary switch activation type allows for smooth and accurate adjustments, ensuring optimal climate control. Made from high-quality plastic, this actuator resists wear and environmental factors commonly encountered in automotive HVAC systems. This part is specifically designed to fit Chevrolet Ascender, GMC Envoy XL, and Trailblazer EXT models, providing a direct replacement that meets or exceeds original equipment specifications.

Common Applications and Issues Resolved

  • Eliminates inconsistent or stuck HVAC blend door movement
  • Resolves issues with incorrect cabin temperature regulation
  • Fixes HVAC system noises related to faulty actuators
  • Restores proper airflow direction control within the HVAC system
  • Addresses failure of the blend door to respond to control inputs

Installation Notes and Tips

  • Ensure vehicle compatibility with Chevrolet Ascender, GMC Envoy XL, or Trailblazer EXT before installation
  • Disconnect the vehicle battery prior to actuator replacement to prevent electrical issues
  • Carefully remove the old actuator to avoid damage to surrounding HVAC components
  • Verify actuator alignment and secure mounting to ensure proper operation
  • Test HVAC system functionality after installation to confirm correct blend door movement

Quality Assurance and Warranty

Dorman parts are manufactured to meet stringent quality standards, providing reliable performance for automotive HVAC systems. The 604-130 HVAC Blend Door Actuator undergoes rigorous testing to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandDorman
Part Number604-130
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 32 vehicles. Search below:

YearMakeModelPositionNotes
2008IsuzuAscenderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2008IsuzuAscenderAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007IsuzuAscenderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2007IsuzuAscenderAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006ChevroletTrailblazer EXTAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006ChevroletTrailblazer EXTAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006GMCEnvoy XLAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006GMCEnvoy XLAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006IsuzuAscenderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006IsuzuAscenderAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005ChevroletTrailblazer EXTAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005ChevroletTrailblazer EXTAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005GMCEnvoy XLAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005GMCEnvoy XLAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005IsuzuAscenderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005IsuzuAscenderAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004ChevroletTrailblazer EXTAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004ChevroletTrailblazer EXTAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2004GMCEnvoy XLAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004GMCEnvoy XLAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2004IsuzuAscenderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2004IsuzuAscenderAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003ChevroletTrailblazer EXTAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003ChevroletTrailblazer EXTAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2003GMCEnvoy XLAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003GMCEnvoy XLAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2003IsuzuAscenderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2003IsuzuAscenderAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletTrailblazer EXTAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletTrailblazer EXTAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2002GMCEnvoy XLAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCEnvoy XLAuxiliaryTemperature control HVAC blend door actuator for box packaging.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15-728117301788892975ADS122APBDA0006F04026SK604130

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.