HomeHVAC > Temperature Controls and Related ComponentsDorman 604-180 HVAC Blend Door Actuator - Main
Part #: 604-180

Dorman 604-180 HVAC Blend Door Actuator - Main

Main
⚙️ 30 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ 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: Chevrolet and GMC, Equinox and Terrain
🔄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 604-180

The Dorman HVAC Blend Door Actuator 604-180 is designed for precise control of airflow temperature in Chevrolet Equinox and GMC Terrain models. This rotary switch actuator ensures reliable operation of your vehicle's HVAC system by regulating the blend door position accurately.

  • Rotary switch activation type for smooth and consistent control
  • Six-pin male terminal configuration for secure electrical connection
  • Durable plastic construction for long-lasting performance
  • Compatible with Chevrolet Equinox and GMC Terrain HVAC systems
  • Includes one air door actuator per package

Detailed Product Description

The Dorman 604-180 HVAC Blend Door Actuator features a rotary switch activation type, which allows for precise modulation of the blend door within the HVAC system. Equipped with six male pin terminals, this actuator ensures a stable and reliable electrical connection to your vehicle’s wiring harness. Constructed from durable plastic materials, it is engineered to withstand the temperature fluctuations and mechanical stresses typical in automotive HVAC environments. This part is specifically designed to replace faulty or worn actuators in Chevrolet Equinox and GMC Terrain models, restoring proper airflow temperature control.

Common Applications and Issues Resolved

  • Restores proper temperature blend control in HVAC systems
  • Eliminates inconsistent or stuck blend door movement
  • Resolves HVAC system noise caused by faulty actuators
  • Fixes issues with uneven cabin heating or cooling
  • Prevents HVAC system failure due to actuator malfunction

Installation Notes and Tips

  • Ensure vehicle compatibility with Chevrolet Equinox or GMC Terrain before installation
  • Disconnect the battery prior to actuator replacement to avoid electrical shorts
  • Carefully remove the old blend door actuator to prevent damage to the HVAC housing
  • Verify the six-pin male terminal connection is secure and free of corrosion
  • Test the actuator operation before reassembling the dashboard components

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 604-180 HVAC Blend Door Actuator undergoes rigorous quality control to ensure proper fit and function in Chevrolet Equinox and GMC Terrain vehicles. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions.

BrandDorman
Part Number604-180
MaterialPlastic
Package Contents1 Air Door Actuator
Switch Activation TypeRotary
Terminal GenderMale
Terminal Quantity6
Terminal TypePin

This part fits 30 vehicles. Search below:

YearMakeModelPositionNotes
2017ChevroletEquinoxMainFits vehicles requiring outside air, comes in a box.
2017ChevroletEquinoxMainHVAC Blend Door Actuator for mode selection in box packaging.
2017ChevroletEquinoxMainTemperature control HVAC blend door actuator for box packaging.
2017GMCTerrainMainFits vehicles requiring outside air, comes in a box.
2017GMCTerrainMainHVAC Blend Door Actuator for mode selection in box packaging.
2017GMCTerrainMainTemperature control HVAC blend door actuator for box packaging.
2016ChevroletEquinoxMainFits vehicles requiring outside air, comes in a box.
2016ChevroletEquinoxMainHVAC Blend Door Actuator for mode selection in box packaging.
2016ChevroletEquinoxMainTemperature control HVAC blend door actuator for box packaging.
2016GMCTerrainMainHVAC Blend Door Actuator for mode selection in box packaging.
2016GMCTerrainMainTemperature control HVAC blend door actuator for box packaging.
2016GMCTerrainMainFits vehicles requiring outside air, comes in a box.
2015ChevroletEquinoxMainFits vehicles requiring outside air, comes in a box.
2015ChevroletEquinoxMainHVAC Blend Door Actuator for mode selection in box packaging.
2015ChevroletEquinoxMainTemperature control HVAC blend door actuator for box packaging.
2015GMCTerrainMainHVAC Blend Door Actuator for mode selection in box packaging.
2015GMCTerrainMainTemperature control HVAC blend door actuator for box packaging.
2015GMCTerrainMainFits vehicles requiring outside air, comes in a box.
2014ChevroletEquinoxMainFits vehicles requiring outside air, comes in a box.
2014ChevroletEquinoxMainHVAC Blend Door Actuator for mode selection in box packaging.
2014ChevroletEquinoxMainTemperature control HVAC blend door actuator for box packaging.
2014GMCTerrainMainHVAC Blend Door Actuator for mode selection in box packaging.
2014GMCTerrainMainTemperature control HVAC blend door actuator for box packaging.
2014GMCTerrainMainFits vehicles requiring outside air, comes in a box.
2013ChevroletEquinoxMainAir Inlet; w/6 Pin Connector; Packaging Type: Box
2013ChevroletEquinoxMainMode; w/6 Pin Connector; Packaging Type: Box
2013ChevroletEquinoxMainTemperature; w/6 Pin Connector; Packaging Type: Box
2013GMCTerrainMainAir Inlet; w/6 Pin Connector; Packaging Type: Box
2013GMCTerrainMainMode; w/6 Pin Connector; Packaging Type: Box
2013GMCTerrainMainTemperature; w/6 Pin Connector; Packaging Type: 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:

22877649APBDA0232F04078

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