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Dorman 604-154 HVAC Blend Door Actuator - Auxiliary or MainOE Quality 60-Day Returns
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Part #: 604-154

Dorman 604-154 HVAC Blend Door Actuator - Auxiliary or Main

Auxiliary
⚙️ 80 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: Chevrolet, Pontiac, Buick, and Saturn, Uplander, Montana, Terraza, and Relay
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Overview of the Dorman HVAC Blend Door Actuator 604-154

The Dorman HVAC Blend Door Actuator 604-154 is designed to provide reliable control of the HVAC system in select GM vehicles. This actuator features a rotary switch activation type and is constructed from durable plastic to ensure consistent performance in Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models.

  • Rotary switch activation for precise HVAC blend door control
  • Durable plastic construction for long-lasting use
  • Compatible with Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander
  • Includes one actuator per package
  • OEM-quality fit and function

Detailed Product Description

The Dorman 604-154 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, maintaining reliable operation over time. This part is specifically designed to fit Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models, providing a direct replacement for the original component.

Common Applications and Issues Addressed

  • Restores proper airflow direction and temperature control in HVAC systems
  • Eliminates inconsistent or stuck blend door movement
  • Resolves HVAC system noise caused by faulty actuators
  • Fixes failure of the blend door to respond to temperature settings
  • Prevents HVAC system from blowing only hot or cold air

Installation Notes and Tips

  • Ensure vehicle compatibility with Buick Montana, Chevrolet Relay, Pontiac Terraza, or Saturn Uplander before installation
  • Disconnect the vehicle battery prior to actuator replacement to avoid electrical issues
  • Carefully remove the old actuator to prevent damage to the blend door or surrounding 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 Information

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance and fit. The 604-154 HVAC Blend Door Actuator undergoes rigorous quality control to ensure durability and functionality. This product is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use conditions.

BrandDorman
Part Number604-154
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 80 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2009ChevroletUplanderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2009ChevroletUplanderMainDefrost; Box packaging.
2009ChevroletUplanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2009ChevroletUplanderMainTemperature control HVAC blend door actuator for box packaging.
2009ChevroletUplanderMainFits vehicles requiring outside air, comes in a box.
2009PontiacMontanaAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2009PontiacMontanaMainFits vehicles requiring outside air, comes in a box.
2009PontiacMontanaMainDefrost; Box packaging.
2009PontiacMontanaMainHVAC Blend Door Actuator for mode selection in box packaging.
2009PontiacMontanaMainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletUplanderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2008ChevroletUplanderMainDefrost; Box packaging.
2008ChevroletUplanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2008ChevroletUplanderMainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletUplanderMainFits vehicles requiring outside air, comes in a box.
2008PontiacMontanaAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2008PontiacMontanaMainFits vehicles requiring outside air, comes in a box.
2008PontiacMontanaMainDefrost; Box packaging.
2008PontiacMontanaMainHVAC Blend Door Actuator for mode selection in box packaging.
2008PontiacMontanaMainTemperature control HVAC blend door actuator for box packaging.
2007BuickTerrazaAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2007BuickTerrazaMainFits vehicles requiring outside air, comes in a box.
2007BuickTerrazaMainDefrost; Box packaging.
2007BuickTerrazaMainHVAC Blend Door Actuator for mode selection in box packaging.
2007BuickTerrazaMainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletUplanderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2007ChevroletUplanderMainDefrost; Box packaging.
2007ChevroletUplanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2007ChevroletUplanderMainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletUplanderMainFits vehicles requiring outside air, comes in a box.
2007PontiacMontanaAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2007PontiacMontanaMainFits vehicles requiring outside air, comes in a box.
2007PontiacMontanaMainDefrost; Box packaging.
2007PontiacMontanaMainHVAC Blend Door Actuator for mode selection in box packaging.
2007PontiacMontanaMainTemperature control HVAC blend door actuator for box packaging.
2007SaturnRelayAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2007SaturnRelayMainDefrost; Box packaging.
2007SaturnRelayMainHVAC Blend Door Actuator for mode selection in box packaging.
2007SaturnRelayMainFits vehicles requiring outside air, comes in a box.
2007SaturnRelayMainTemperature control HVAC blend door actuator for box packaging.
2006BuickTerrazaAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006BuickTerrazaMainDefrost; Box packaging.
2006BuickTerrazaMainFits vehicles requiring outside air, comes in a box.
2006BuickTerrazaMainHVAC Blend Door Actuator for mode selection in box packaging.
2006BuickTerrazaMainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletUplanderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006ChevroletUplanderMainFits vehicles requiring outside air, comes in a box.
2006ChevroletUplanderMainDefrost; Box packaging.
2006ChevroletUplanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2006ChevroletUplanderMainTemperature control HVAC blend door actuator for box packaging.
2006PontiacMontanaAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006PontiacMontanaMainFits vehicles requiring outside air, comes in a box.
2006PontiacMontanaMainDefrost; Box packaging.
2006PontiacMontanaMainHVAC Blend Door Actuator for mode selection in box packaging.
2006PontiacMontanaMainTemperature control HVAC blend door actuator for box packaging.
2006SaturnRelayAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006SaturnRelayMainDefrost; Box packaging.
2006SaturnRelayMainHVAC Blend Door Actuator for mode selection in box packaging.
2006SaturnRelayMainFits vehicles requiring outside air, comes in a box.
2006SaturnRelayMainTemperature control HVAC blend door actuator for box packaging.
2005BuickTerrazaAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005BuickTerrazaMainDefrost; Box packaging.
2005BuickTerrazaMainFits vehicles requiring outside air, comes in a box.
2005BuickTerrazaMainHVAC Blend Door Actuator for mode selection in box packaging.
2005BuickTerrazaMainTemperature control HVAC blend door actuator for box packaging.
2005ChevroletUplanderAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005ChevroletUplanderMainFits vehicles requiring outside air, comes in a box.
2005ChevroletUplanderMainDefrost; Box packaging.
2005ChevroletUplanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2005ChevroletUplanderMainTemperature control HVAC blend door actuator for box packaging.
2005PontiacMontanaSV6AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005PontiacMontanaSV6MainFits vehicles requiring outside air, comes in a box.
2005PontiacMontanaSV6MainDefrost; Box packaging.
2005PontiacMontanaSV6MainHVAC Blend Door Actuator for mode selection in box packaging.
2005PontiacMontanaSV6MainTemperature control HVAC blend door actuator for box packaging.
2005SaturnRelayAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005SaturnRelayMainDefrost; Box packaging.
2005SaturnRelayMainHVAC Blend Door Actuator for mode selection in box packaging.
2005SaturnRelayMainTemperature control HVAC blend door actuator for box packaging.
2005SaturnRelayMainFits vehicles requiring outside air, comes in a box.

* 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:

10364929ADS168APBDA0091F04103SK604154

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

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