Dorman 604-140 HVAC Blend Door Actuator - Main

Brand Dorman 604-140
Position Main
Material Plastic
Package Contents Actuator
Switch Activation Type Rotary
Fits Buick, Chevrolet, GMC, and Saturn · 57 vehicles

OE-style replacement. Precision-engineered to match original blend door actuator performance.

Rotary activation. Smooth, reliable control for HVAC blend door operation.

Plastic construction. Lightweight actuator housing for dependable HVAC function.

Cross-references Autotecnica GM0614527, SKP SK604140 and 604140  for the same application. See all 7.

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HVAC Blend Door Actuator for GM SUVs

Dorman 604-140 is a rotary HVAC blend door actuator built for specific GM crossover and SUV applications. It is engineered to match the fit and operating performance of the original heater blend door actuator on select Buick, Chevrolet, GMC, and Saturn models.

For drivers searching for a replacement HVAC blend door actuator for 2007-2012 GMC Acadia, 2008-2012 Buick Enclave, 2009-2012 Chevrolet Traverse, or 2007-2010 Saturn Outlook, this part number 604-140 provides a direct-service solution for temperature and mode control functions.

Key Features

  • Rotary switch activation type for HVAC control operation
  • Plastic housing construction
  • Supplied as an actuator only
  • OE-style replacement for select heater blend door applications
  • Fits Main position applications listed below

Detailed Description

Dorman 604-140 is a heater blend door actuator used in the HVAC system to move the blend door for temperature control and air distribution. It is precision-engineered to match the original actuator’s quality and performance on the listed vehicles, helping restore proper cabin climate control response. This HVAC blend door actuator is a practical replacement for GM vehicles that need a rotary-style actuator in the Main position.

Cross-reference part numbers for the same application include 15232218 and SK604140.

What It Helps Fix

  • Incorrect cabin temperature control
  • Airflow stuck on one vent setting
  • HVAC system not responding to control changes
  • Blend door movement problems caused by actuator wear
  • Temperature or mode selection issues in the dash HVAC system

Installation Notes and Tips

Verify the vehicle’s HVAC actuator location and connector style before installation. This part fits Main position applications only and is listed for vehicles requiring outside air or temperature/mode control functions in box packaging notes. After installation, cycle the HVAC controls to confirm smooth actuator movement and proper temperature and mode operation.

  • Fits 2008-2012 Buick Enclave, Main
  • Fits 2009-2012 Chevrolet Traverse, Main
  • Fits 2007-2012 GMC Acadia, Main
  • Fits 2007-2010 Saturn Outlook, Main

Quality Assurance

Dorman designs replacement components to match original equipment fit and function for the specified applications. Part number 604-140 is built for direct-service use in the listed GM HVAC systems.

This part fits 57 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2012BuickEnclaveMainFits vehicles requiring outside air, comes in a box.
2012BuickEnclaveMainTemperature control HVAC blend door actuator for box packaging.
2012BuickEnclaveMainHVAC Blend Door Actuator for mode selection in box packaging.
2012ChevroletTraverseMainFits vehicles requiring outside air, comes in a box.
2012ChevroletTraverseMainHVAC Blend Door Actuator for mode selection in box packaging.
2012ChevroletTraverseMainTemperature control HVAC blend door actuator for box packaging.
2012GMCAcadiaMainFits vehicles requiring outside air, comes in a box.
2012GMCAcadiaMainHVAC Blend Door Actuator for mode selection in box packaging.
2012GMCAcadiaMainTemperature control HVAC blend door actuator for box packaging.
2011BuickEnclaveMainTemperature control HVAC blend door actuator for box packaging.
2011BuickEnclaveMainFits vehicles requiring outside air, comes in a box.
2011BuickEnclaveMainHVAC Blend Door Actuator for mode selection in box packaging.
2011ChevroletTraverseMainFits vehicles requiring outside air, comes in a box.
2011ChevroletTraverseMainHVAC Blend Door Actuator for mode selection in box packaging.
2011ChevroletTraverseMainTemperature control HVAC blend door actuator for box packaging.
2011GMCAcadiaMainFits vehicles requiring outside air, comes in a box.
2011GMCAcadiaMainHVAC Blend Door Actuator for mode selection in box packaging.
2011GMCAcadiaMainTemperature control HVAC blend door actuator for box packaging.
2010BuickEnclaveMainTemperature control HVAC blend door actuator for box packaging.
2010BuickEnclaveMainFits vehicles requiring outside air, comes in a box.
2010BuickEnclaveMainHVAC Blend Door Actuator for mode selection in box packaging.
2010ChevroletTraverseMainFits vehicles requiring outside air, comes in a box.
2010ChevroletTraverseMainHVAC Blend Door Actuator for mode selection in box packaging.
2010ChevroletTraverseMainTemperature control HVAC blend door actuator for box packaging.
2010GMCAcadiaMainFits vehicles requiring outside air, comes in a box.
2010GMCAcadiaMainHVAC Blend Door Actuator for mode selection in box packaging.
2010GMCAcadiaMainTemperature control HVAC blend door actuator for box packaging.
2010SaturnOutlookMainFits vehicles requiring outside air, comes in a box.
2010SaturnOutlookMainHVAC Blend Door Actuator for mode selection in box packaging.
2010SaturnOutlookMainTemperature control HVAC blend door actuator for box packaging.
2009BuickEnclaveMainTemperature control HVAC blend door actuator for box packaging.
2009BuickEnclaveMainFits vehicles requiring outside air, comes in a box.
2009BuickEnclaveMainHVAC Blend Door Actuator for mode selection in box packaging.
2009ChevroletTraverseMainFits vehicles requiring outside air, comes in a box.
2009ChevroletTraverseMainHVAC Blend Door Actuator for mode selection in box packaging.
2009ChevroletTraverseMainTemperature control HVAC blend door actuator for box packaging.
2009GMCAcadiaMainFits vehicles requiring outside air, comes in a box.
2009GMCAcadiaMainHVAC Blend Door Actuator for mode selection in box packaging.
2009GMCAcadiaMainTemperature control HVAC blend door actuator for box packaging.
2009SaturnOutlookMainFits vehicles requiring outside air, comes in a box.
2009SaturnOutlookMainHVAC Blend Door Actuator for mode selection in box packaging.
2009SaturnOutlookMainTemperature control HVAC blend door actuator for box packaging.
2008BuickEnclaveMainHVAC Blend Door Actuator for mode selection in box packaging.
2008BuickEnclaveMainTemperature control HVAC blend door actuator for box packaging.
2008BuickEnclaveMainFits vehicles requiring outside air, comes in a box.
2008GMCAcadiaMainFits vehicles requiring outside air, comes in a box.
2008GMCAcadiaMainHVAC Blend Door Actuator for mode selection in box packaging.
2008GMCAcadiaMainTemperature control HVAC blend door actuator for box packaging.
2008SaturnOutlookMainFits vehicles requiring outside air, comes in a box.
2008SaturnOutlookMainHVAC Blend Door Actuator for mode selection in box packaging.
2008SaturnOutlookMainTemperature control HVAC blend door actuator for box packaging.
2007GMCAcadiaMainFits vehicles requiring outside air, comes in a box.
2007GMCAcadiaMainHVAC Blend Door Actuator for mode selection in box packaging.
2007GMCAcadiaMainTemperature control HVAC blend door actuator for box packaging.
2007SaturnOutlookMainFits vehicles requiring outside air, comes in a box.
2007SaturnOutlookMainHVAC Blend Door Actuator for mode selection in box packaging.
2007SaturnOutlookMainTemperature control HVAC blend door actuator for box packaging.
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Autotecnica — GM0614527SKP — SK604140604140 15232218ADS143APBDA0031F04059