HomeHVAC > Temperature Controls and Related ComponentsDorman 604-119 HVAC Blend Door Actuator - Left Main or Main
Part #: 604-119

Dorman 604-119 HVAC Blend Door Actuator - Left Main or Main

Left Main
⚙️ 82 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile, Trailblazer, Envoy, 9-7x, Ascender, Rainier, Trailblazer EXT, Envoy XL, Envoy XUV, and Bravada
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Reliable HVAC Blend Door Actuator for Select GM and Isuzu Models

The Dorman 604-119 HVAC Blend Door Actuator is designed to restore proper airflow control in your vehicle's heating and cooling system. Engineered with a rotary switch activation type and durable plastic construction, this actuator is compatible with various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models.

  • Rotary switch activation for precise blend door movement
  • Durable plastic material ensures long-lasting performance
  • Includes one actuator per package for straightforward replacement
  • Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles
  • Fits models such as Trailblazer, Envoy, Ascender, Bravada, and 9-7x

Product Details and Specifications

The Dorman 604-119 HVAC Blend Door Actuator operates using a rotary switch activation mechanism, allowing it to accurately control the position of the blend door within the HVAC system. Constructed from high-quality plastic, this actuator balances durability with lightweight design to maintain efficient operation. This part is essential for regulating the mix of hot and cold air inside the vehicle cabin, ensuring comfort and proper climate control. The actuator is supplied as a single unit, simplifying the replacement process.

Compatible Vehicles and Applications

This HVAC blend door actuator is compatible with a range of vehicles, including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab. Specific models supported include the Chevrolet Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Envoy XUV, GMC Envoy, Ascender, Bravada, Isuzu 9-7x, and Saab models. Using the correct actuator like the Dorman 604-119 ensures proper fitment and reliable HVAC system performance.

  • Restores proper airflow control in HVAC systems
  • Eliminates inconsistent cabin temperature issues
  • Resolves blend door noise or failure symptoms
  • Fixes problems with air direction or temperature adjustment
  • Prevents HVAC system from defaulting to extreme hot or cold settings

Installation Notes and Tips

Installation of the Dorman 604-119 HVAC Blend Door Actuator requires basic automotive tools and some experience with HVAC components. It is recommended to disconnect the vehicle battery before beginning to avoid electrical issues. Access to the actuator may require removal of dashboard panels depending on the vehicle model. Ensure the actuator is properly aligned and securely fastened to avoid operational issues. Refer to the vehicle’s service manual for detailed instructions specific to your make and model.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 604-119 HVAC Blend Door Actuator undergoes quality control testing to ensure proper function. This part is backed by Dorman’s limited warranty, offering coverage against defects in material and workmanship for a specified period. Always verify warranty details with the product documentation.

BrandDorman
Part Number604-119
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 82 vehicles. Search below:

YearMakeModelPositionNotes
2009ChevroletTrailblazerLeft MainTemperature control HVAC blend door actuator for box packaging.
2009ChevroletTrailblazerMainDefrost; Box packaging.
2009GMCEnvoyLeft MainTemperature control HVAC blend door actuator for box packaging.
2009GMCEnvoyMainDefrost; Box packaging.
2009Saab9-7xLeft MainTemperature control HVAC blend door actuator for box packaging.
2009Saab9-7xMainDefrost; Box packaging.
2008ChevroletTrailblazerLeft MainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletTrailblazerMainDefrost; Box packaging.
2008GMCEnvoyLeft MainTemperature control HVAC blend door actuator for box packaging.
2008GMCEnvoyMainDefrost; Box packaging.
2008IsuzuAscenderLeft MainTemperature control HVAC blend door actuator for box packaging.
2008IsuzuAscenderMainDefrost; Box packaging.
2008Saab9-7xLeft MainTemperature control HVAC blend door actuator for box packaging.
2008Saab9-7xMainDefrost; Box packaging.
2007BuickRainierLeft MainTemperature control HVAC blend door actuator for box packaging.
2007BuickRainierMainDefrost; Box packaging.
2007ChevroletTrailblazerLeft MainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletTrailblazerMainDefrost; Box packaging.
2007GMCEnvoyLeft MainTemperature control HVAC blend door actuator for box packaging.
2007GMCEnvoyMainDefrost; Box packaging.
2007IsuzuAscenderLeft MainTemperature control HVAC blend door actuator for box packaging.
2007IsuzuAscenderMainDefrost; Box packaging.
2007Saab9-7xLeft MainTemperature control HVAC blend door actuator for box packaging.
2007Saab9-7xMainDefrost; Box packaging.
2006BuickRainierLeft MainTemperature control HVAC blend door actuator for box packaging.
2006BuickRainierMainDefrost; Box packaging.
2006ChevroletTrailblazerLeft MainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletTrailblazerMainDefrost; Box packaging.
2006ChevroletTrailblazer EXTLeft MainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletTrailblazer EXTMainDefrost; Box packaging.
2006GMCEnvoyLeft MainTemperature control HVAC blend door actuator for box packaging.
2006GMCEnvoyMainDefrost; Box packaging.
2006GMCEnvoy XLLeft MainTemperature control HVAC blend door actuator for box packaging.
2006GMCEnvoy XLMainDefrost; Box packaging.
2006IsuzuAscenderLeft MainTemperature control HVAC blend door actuator for box packaging.
2006IsuzuAscenderMainDefrost; Box packaging.
2006Saab9-7xLeft MainTemperature control HVAC blend door actuator for box packaging.
2006Saab9-7xMainDefrost; Box packaging.
2005BuickRainierLeft MainTemperature control HVAC blend door actuator for box packaging.
2005BuickRainierMainDefrost; Box packaging.
2005ChevroletTrailblazerLeft MainTemperature control HVAC blend door actuator for box packaging.
2005ChevroletTrailblazerMainDefrost; Box packaging.
2005ChevroletTrailblazer EXTLeft MainTemperature control HVAC blend door actuator for box packaging.
2005ChevroletTrailblazer EXTMainDefrost; Box packaging.
2005GMCEnvoyLeft MainTemperature control HVAC blend door actuator for box packaging.
2005GMCEnvoyMainDefrost; Box packaging.
2005GMCEnvoy XLLeft MainTemperature control HVAC blend door actuator for box packaging.
2005GMCEnvoy XLMainDefrost; Box packaging.
2005GMCEnvoy XUVLeft MainTemperature control HVAC blend door actuator for box packaging.
2005GMCEnvoy XUVMainDefrost; Box packaging.
2005IsuzuAscenderLeft MainTemperature control HVAC blend door actuator for box packaging.
2005IsuzuAscenderMainDefrost; Box packaging.
2005Saab9-7xLeft MainTemperature control HVAC blend door actuator for box packaging.
2005Saab9-7xMainDefrost; Box packaging.
2004BuickRainierLeft MainTemperature control HVAC blend door actuator for box packaging.
2004BuickRainierMainDefrost; Box packaging.
2004ChevroletTrailblazerLeft MainTemperature control HVAC blend door actuator for box packaging.
2004ChevroletTrailblazerMainDefrost; Box packaging.
2004ChevroletTrailblazer EXTLeft MainTemperature control HVAC blend door actuator for box packaging.
2004ChevroletTrailblazer EXTMainDefrost; Box packaging.
2004GMCEnvoyLeft MainTemperature control HVAC blend door actuator for box packaging.
2004GMCEnvoyMainDefrost; Box packaging.
2004GMCEnvoy XLLeft MainTemperature control HVAC blend door actuator for box packaging.
2004GMCEnvoy XLMainDefrost; Box packaging.
2004GMCEnvoy XUVLeft MainTemperature control HVAC blend door actuator for box packaging.
2004GMCEnvoy XUVMainDefrost; Box packaging.
2004IsuzuAscenderLeft MainTemperature control HVAC blend door actuator for box packaging.
2004IsuzuAscenderMainDefrost; Box packaging.
2004OldsmobileBravadaLeft MainTemperature control HVAC blend door actuator for box packaging.
2004OldsmobileBravadaMainDefrost; Box packaging.
2003ChevroletTrailblazerLeft MainTemperature; Bottom Cover included; Box packaging
2003ChevroletTrailblazerMainDefrost; Box packaging.
2003ChevroletTrailblazer EXTLeft MainTemperature; Bottom Cover included; Box packaging
2003ChevroletTrailblazer EXTMainDefrost; Box packaging.
2003GMCEnvoyLeft MainTemperature; Bottom Cover included; Box packaging
2003GMCEnvoyMainDefrost; Box packaging.
2003GMCEnvoy XLLeft MainTemperature; Bottom Cover included; Box packaging
2003GMCEnvoy XLMainDefrost; Box packaging.
2003IsuzuAscenderLeft MainTemperature; Bottom Cover included; Box packaging
2003IsuzuAscenderMainDefrost; Box packaging.
2003OldsmobileBravadaLeft MainTemperature; Bottom Cover included; Box packaging
2003OldsmobileBravadaMainDefrost; 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:

15-735987302489018676ADR112ADS112APBDA0075F04014SK604119

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