HomeHVAC > Temperature Controls and Related ComponentsDorman 604-172 HVAC Blend Door Actuator - Main
Part #: 604-172

Dorman 604-172 HVAC Blend Door Actuator - Main

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⚙️ 6 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: Chevrolet, Corvette
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Overview of Dorman HVAC Blend Door Actuator 604-172

The Dorman HVAC Blend Door Actuator 604-172 is designed specifically for Chevrolet Corvette models, providing reliable control of your vehicle's climate system. This actuator features a rotary switch activation type and a durable plastic construction to ensure consistent performance.

  • Rotary switch activation type for precise airflow control
  • Five-pin male terminal configuration for secure electrical connection
  • Durable plastic material designed for long-lasting use
  • Compatible with Chevrolet Corvette HVAC systems
  • Includes one air door actuator per package

Detailed Product Description

The Dorman 604-172 HVAC Blend Door Actuator is engineered to regulate the blend door within the heating, ventilation, and air conditioning system of Chevrolet Corvette vehicles. Its rotary switch activation type allows for smooth and accurate adjustment of airflow temperature by controlling the position of the blend door. The actuator connects via a five-pin male terminal, ensuring a stable and reliable electrical interface. Constructed from high-quality plastic, this actuator is built to withstand the thermal and mechanical stresses typical in automotive HVAC environments.

Common Applications and Problem Resolution

This HVAC blend door actuator is used to address issues related to climate control malfunctions in Chevrolet Corvette models. It is particularly effective in resolving:

  • Inconsistent or incorrect cabin temperature regulation
  • Unresponsive or stuck blend door movement
  • Unusual noises coming from the HVAC system
  • Failure of the rotary switch to adjust airflow properly
  • Electrical connection problems due to terminal wear or damage

Installation Notes and Tips

When installing the Dorman 604-172 blend door actuator, ensure the vehicle's battery is disconnected to prevent electrical shorts. Carefully remove the old actuator and verify the five-pin male terminal matches the connector on the vehicle wiring harness. Align the actuator properly with the blend door shaft before securing it in place. Testing the actuator function before reassembling the dashboard components is recommended to confirm proper operation.

Quality Assurance and Warranty Information

Dorman manufactures the 604-172 HVAC Blend Door Actuator to meet or exceed OEM specifications for Chevrolet Corvette vehicles. The part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandDorman
Part Number604-172
MaterialPlastic
Package Contents1 Air Door Actuator
Switch Activation TypeRotary
Terminal GenderMale
Terminal Quantity5
Terminal TypePin

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2019ChevroletCorvetteMainHVAC Blend Door Actuator for mode selection in box packaging.
2018ChevroletCorvetteMainHVAC Blend Door Actuator for mode selection in box packaging.
2017ChevroletCorvetteMainHVAC Blend Door Actuator for mode selection in box packaging.
2016ChevroletCorvetteMainHVAC Blend Door Actuator for mode selection in box packaging.
2015ChevroletCorvetteMainHVAC Blend Door Actuator for mode selection in box packaging.
2014ChevroletCorvetteMainHVAC 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:

22842098ADS4325APBDA0259

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