HomeHVAC > Temperature Controls and Related ComponentsDorman 604-140 HVAC Blend Door Actuator - Main
Part #: 604-140

Dorman 604-140 HVAC Blend Door Actuator - Main

Main
⚙️ 57 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$56.25Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, and Saturn, Enclave, Traverse, Acadia, and Outlook
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Dorman HVAC Blend Door Actuator 604-140

The Dorman HVAC Blend Door Actuator 604-140 is designed to provide reliable control of the HVAC system in select Buick, Chevrolet, GMC, and Saturn 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 Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook models
  • OEM part number 604-140 for accurate replacement

Detailed Product Description

The Dorman 604-140 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 functionality over time. This part is specifically designed to fit Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook models, providing a direct replacement for the original equipment.

Common Applications and Issues Resolved

  • Eliminates inconsistent cabin temperature due to faulty blend door movement
  • Resolves HVAC system noises caused by actuator malfunction
  • Fixes failure of air direction control within the HVAC system
  • Addresses issues with unresponsive temperature adjustments
  • Prevents HVAC blend door from sticking or failing to move

Installation Notes and Tips

  • Ensure vehicle compatibility with Buick Enclave, Chevrolet Traverse, GMC Acadia, or Saturn Outlook 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 assembly
  • Verify proper alignment of the new actuator during installation for accurate operation
  • Test HVAC system functionality after installation to confirm successful replacement

Quality Assurance and Warranty

Dorman parts undergo rigorous quality control to meet or exceed OEM standards. The 604-140 HVAC Blend Door Actuator is backed by a limited warranty, ensuring reliability and customer confidence. This warranty covers defects in material and workmanship under normal use conditions.

BrandDorman
Part Number604-140
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 57 vehicles. Search below:

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.

* 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:

15232218604140 ADS143APBDA0031F04059GM0614527SK604140

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