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

Brand Dorman 604-154
Position Auxiliary
Material Plastic
Package Contents Actuator
Switch Activation Type Rotary
Fits Chevrolet, Pontiac, Buick, and Saturn · 80 vehicles

OE-style replacement. Precision-engineered to match original actuator quality and performance.

Rotary design. Smoothly controls the HVAC blend door for consistent temperature changes.

Plastic construction. Lightweight actuator built for dependable HVAC operation.

Cross-references 10364929, ADS168 and APBDA0091 for the same application. See all 5.

$37.10Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $37.10
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

HVAC Blend Door Actuator for OE-Style Climate Control

This Dorman HVAC blend door actuator is a rotary-style replacement built for specific Chevrolet, Pontiac, Buick, and Saturn applications. It is engineered to match the quality and performance of the original actuator used for temperature and mode control in the HVAC system.

Use part number 604-154 when servicing climate control concerns on vehicles such as the Chevrolet Uplander, Pontiac Montana, Buick Terraza, and Saturn Relay.

Key Features

  • Rotary switch activation type for HVAC blend door operation
  • Plastic housing construction
  • Supplied as an actuator only
  • OE-style replacement for temperature control and mode selection functions
  • Direct fit for select 2005-2009 GM minivan HVAC applications

Detailed Description

Dorman 604-154 is an HVAC heater blend door actuator designed for specific vehicles that use a rotary actuator to control air temperature, defrost, outside air, or mode selection. It is a practical replacement for worn or failed actuators in the climate control system, helping restore proper movement of the blend door inside the HVAC box. This part number 604-154 is listed for select Chevrolet Uplander, Pontiac Montana, Buick Terraza, and Saturn Relay models across the 2005-2009 model years.

This part cross-references 10364929 and ADS168 for the same application.

What It Helps Fix

  • Incorrect cabin air temperature
  • Airflow stuck on defrost, panel, or floor settings
  • HVAC doors that do not respond to control changes
  • Loss of outside air or recirculation function tied to the actuator circuit
  • Clicking or inconsistent movement from a failing blend door actuator

Installation Notes and Tips

Verify the actuator position before ordering, since this part is listed for both Main and Auxiliary locations depending on the vehicle and HVAC configuration. Confirm the original connector style, mounting location, and control function against the removed unit before installation. For best results, inspect the blend door and HVAC housing for binding or damage that could affect actuator operation after replacement.

Quality Assurance

Dorman engineers this actuator to align with the fit, function, and performance expectations of the original part on the listed applications. It is intended for direct replacement use on select GM vehicles, including Chevrolet Uplander, Pontiac Montana, Buick Terraza, and Saturn Relay models.

This part fits 80 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
10364929ADS168APBDA0091F04103SK604154