Dorman 604-172 HVAC Blend Door Actuator - Main

Brand Dorman 604-172
Position Main
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Terminal Gender Male
Terminal Quantity 5
Terminal Type Pin
Fits Chevrolet · 6 vehicles

OE-quality match. Precision-engineered to match the original actuator's quality and performance.

Rotary activation. Uses a rotary switch design for smooth HVAC door control.

Plastic housing. Lightweight construction with a 5-pin male terminal connection.

Cross-references 22842098, ADS4325 and APBDA0259 for the same application. See all 3.

$60.64Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $60.64
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 604-172 HVAC Blend Door Actuator

This Dorman HVAC blend door actuator is built for precise heater and air distribution control in select Chevrolet Corvette models. It is engineered to match the fit and performance of the original actuator, helping restore proper mode selection in the HVAC system.

  • Fits 2014-2019 Chevrolet Corvette, Main
  • Rotary switch activation type for HVAC blend door control
  • 5-pin male terminal design for the specified vehicle application
  • Plastic housing construction
  • Direct replacement for select Corvette HVAC blend door actuator applications

Application Details

Use Dorman 604-172 when servicing the HVAC blend door actuator on 2014-2019 Chevrolet Corvette models with the Main position application. This part is designed around the original actuator’s function so the HVAC system can direct air properly between temperature and airflow modes. This part cross-references ACDelco 22842098 for the same application.

What This Part Helps Fix

  • Incorrect air direction from vents
  • Temperature blend problems in the cabin HVAC system
  • Loss of mode selection control
  • Clicking or inconsistent actuator movement behind the dash
  • HVAC performance issues tied to a failed blend door actuator

Installation Notes

Verify the vehicle year, make, model, and Main position before ordering. Confirm terminal style, terminal count, and actuator type match the original unit on the vehicle. For best results, compare the removed part to Dorman 604-172 before installation and inspect the HVAC door linkage and connector condition during service.

Quality Assurance

Dorman designs this HVAC heater blend door actuator as a precision-engineered replacement for specific vehicle applications, with construction and electrical layout intended to align with the original part’s quality and performance requirements.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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.
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
22842098ADS4325APBDA0259