HomeHVAC > Temperature Controls and Related ComponentsDorman 604-171 HVAC Blend Door Actuator - Main
Part #: 604-171

Dorman 604-171 HVAC Blend Door Actuator - Main

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⚙️ 3 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: Cadillac, SRX
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Reliable HVAC Blend Door Actuator for Cadillac SRX

The Dorman 604-171 HVAC Blend Door Actuator is designed specifically for Cadillac SRX models, providing precise control over your vehicle's climate system. This rotary switch actuator ensures smooth operation of the blend door, helping maintain optimal cabin temperature.

  • Rotary switch activation type for accurate blend door positioning
  • Durable plastic construction for long-lasting performance
  • Includes one actuator per package for direct replacement
  • Compatible with Cadillac SRX HVAC systems
  • OEM-quality fit and function with part number 604-171

Product Details and Specifications

The Dorman 604-171 HVAC Blend Door Actuator features a rotary switch activation type, which allows for precise modulation of the blend door within the HVAC system. Constructed from durable plastic, this actuator is engineered to withstand the temperature fluctuations and mechanical stresses typical in automotive climate control systems. Designed to replace the factory blend door actuator in Cadillac SRX vehicles, this part ensures consistent airflow and temperature regulation inside the cabin.

Common Applications and Problem Resolution

This HVAC blend door actuator is used to control the mix of hot and cold air in the vehicle’s heating and cooling system. It is compatible with Cadillac SRX models requiring a rotary switch type actuator. This part can help resolve issues such as:

  • Inconsistent cabin temperature due to blend door malfunction
  • Unusual noises from the HVAC system when adjusting temperature
  • Failure of the HVAC system to switch between heating and cooling modes
  • Reduced airflow or improper air distribution inside the vehicle

Installation Notes and Tips

Installation of the Dorman 604-171 blend door actuator typically requires removal of the dashboard panel to access the HVAC housing. Ensure the vehicle’s battery is disconnected before beginning to avoid electrical issues. Align the actuator’s rotary switch correctly with the blend door shaft to prevent binding or improper operation. Refer to the Cadillac SRX service manual for detailed instructions and torque specifications.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and fitment. The 604-171 HVAC Blend Door Actuator undergoes quality control testing to ensure durability and functionality. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions.

BrandDorman
Part Number604-171
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2009CadillacSRXMainHVAC Blend Door Actuator for mode selection in box packaging.
2008CadillacSRXMainHVAC Blend Door Actuator for mode selection in box packaging.
2007CadillacSRXMainHVAC Blend Door Actuator for mode selection in 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:

19130240ADA275ADR4227ADS4227APBDA0099

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