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Part #: 604-113

Dorman 604-113 HVAC Blend Door Actuator - Main

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⚙️ 52 vehicles fit this part
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🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, and Yukon XL 2500
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Overview of Dorman HVAC Blend Door Actuator 604-113

The Dorman HVAC Blend Door Actuator 604-113 is designed to provide reliable control of the HVAC system in select General Motors vehicles. This rotary switch actuator is constructed from durable plastic, ensuring consistent performance in controlling airflow blend doors for optimal cabin temperature regulation.

  • Rotary switch activation type for precise HVAC control
  • Durable plastic construction for long-lasting use
  • Includes one actuator per package
  • Compatible with multiple GM truck and SUV models
  • OEM-quality replacement part number 604-113

Detailed Product Description

The Dorman 604-113 HVAC Blend Door Actuator is engineered to replace faulty or worn actuators in vehicles such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and other compatible models. Featuring a rotary switch activation type, this actuator accurately adjusts the blend door position to regulate the mix of hot and cold air entering the cabin. Made from high-quality plastic, it offers resistance to wear and environmental factors inside the HVAC system. This actuator is essential for maintaining proper climate control functionality in your vehicle.

Compatible Vehicles and Applications

This HVAC blend door actuator is compatible with a range of GM trucks and SUVs, including:

  • Cadillac Escalade and Escalade EXT
  • Chevrolet Avalanche 1500 and 2500
  • Chevrolet Silverado 1500, 1500 HD, 2500, 2500 HD, and 3500
  • GMC Sierra 1500, 1500 HD, 2500, 2500 HD, and 3500
  • Chevrolet Suburban 1500 and 2500
  • Chevrolet Tahoe
  • GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Issues Addressed by This Actuator

  • Inconsistent or incorrect cabin temperature control
  • HVAC blend door stuck in one position
  • Unusual noises from the HVAC system during operation
  • Failure of the rotary switch to adjust airflow blend
  • Intermittent or no response from climate control settings

Installation Notes and Tips

  • Ensure vehicle compatibility by verifying make, model, and year before installation
  • Disconnect the vehicle battery prior to actuator replacement to avoid electrical issues
  • Access the blend door actuator through the HVAC housing, typically located behind the dashboard
  • Handle the plastic actuator carefully to prevent damage during installation
  • Test the HVAC system after installation to confirm proper operation of the blend door

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 604-113 HVAC Blend Door Actuator undergoes rigorous quality control to ensure proper fit and function. This part is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use.

BrandDorman
Part Number604-113
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 52 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002CadillacEscaladeMainHVAC Blend Door Actuator for mode selection in box packaging.
2002CadillacEscalade EXTMainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletAvalanche 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletAvalanche 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletSilverado 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletSilverado 1500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletSilverado 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletSilverado 2500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletSilverado 3500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletSuburban 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletSuburban 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletTahoeMainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSierra 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSierra 1500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSierra 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSierra 2500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSierra 3500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCYukonMainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCYukon XL 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCYukon XL 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletSilverado 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletSilverado 1500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletSilverado 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletSilverado 2500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletSilverado 3500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletSuburban 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletSuburban 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletTahoeMainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSierra 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSierra 1500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSierra 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSierra 2500 HDMainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSierra 3500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCYukonMainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCYukon XL 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCYukon XL 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletSilverado 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletSilverado 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletSuburban 15005.3LV8MainHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletSuburban 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletTahoe5.3LV8MainHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletTahoe4.8LV8MainHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCSierra 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCSierra 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCYukon5.3LV8MainHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCYukon4.8LV8MainHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCYukon XL 15005.3LV8MainHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCYukon XL 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
1999ChevroletSilverado 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
1999ChevroletSilverado 2500MainHVAC Blend Door Actuator for mode selection in box packaging.
1999GMCSierra 1500MainHVAC Blend Door Actuator for mode selection in box packaging.
1999GMCSierra 2500MainHVAC 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:

15-7250552473356604113 73003ADS118F04020GM0613055SK604113

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

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