Dorman 604-705 HVAC Blend Door Actuator - Main

OE Quality 60-Day Returns

Dorman 604-705 HVAC Blend Door Actuator - Main

Brand	Dorman 604-705
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, GMC, and Cadillac · 84 vehicles

OE-style replacement. Precision-engineered to match original quality and performance.

Rotary design. Provides smooth HVAC blend door control.

Plastic housing. Lightweight construction with a pin terminal connection.

Cross-references 22838102 and ADS4276 for the same application. See all 2.

$44.14Free shipping

In stock · usually ships same day before 1pm CST

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Free returns within 60 days if it doesn't fit when fitment is verified.

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HVAC Blend Door Actuator Overview

Dorman 604-705 is a replacement HVAC blend door actuator engineered to match the fit and function of the original unit on select GM trucks and SUVs. It uses a rotary switch activation type, a 5-pin male terminal layout, and a plastic housing for direct replacement service.

Compatible With 2014-2020 Chevrolet, GMC, and Cadillac applications including Silverado, Sierra, Tahoe, Yukon, Escalade, and Suburban models with main position fitment.

Key Features

Rotary switch activation type for HVAC blend door control
5-pin male terminal design for the specified vehicle connector layout
Plastic construction for OE-style replacement fitment
Direct replacement for the original blend door actuator on listed applications
Fits main position HVAC service locations across select GM platforms

Detailed Description

This Dorman HVAC blend door actuator is built to restore proper air door movement in the heating and air conditioning system. It is designed for specific Cadillac Escalade and Escalade ESV, Chevrolet Silverado, Tahoe, Suburban, and GMC Sierra and Yukon applications, including 2014-2020 coverage across the listed models. Part number 604-705 is also referenced by 22838102 and ADS4276 for the same application.

Use Dorman 604-705 when the original actuator no longer responds correctly to temperature or mode commands. The unit is intended for main-position HVAC service on the listed vehicles and follows the original terminal and activation style for a straightforward replacement.

What This Part Helps Fix

Incorrect cabin temperature blending
Airflow stuck on one vent or mode setting
HVAC doors that do not respond to control inputs
Clicking or repeated actuator movement behind the dash
Uneven heating or cooling output from the climate system

Installation Notes and Tips

Verify the vehicle year, make, model, and HVAC position before ordering. Confirm the connector style, terminal count, and actuator location against the original part to ensure proper installation. After replacement, cycle the ignition and HVAC controls so the system can relearn actuator position if required by the vehicle.

Quality Assurance

Dorman designs this heater blend door actuator to match the quality and performance of the original part on the specified applications. It is built as an OE-style replacement for service on the listed GM vehicles.

This part fits 84 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2020	Cadillac	Escalade	Main	Packaging Type: Box
2020	Cadillac	Escalade ESV	Main	Packaging Type: Box
2020	Chevrolet	Tahoe	Main	Packaging Type: Box
2020	GMC	Yukon	Main	Packaging Type: Box
2020	GMC	Yukon XL	Main	Packaging Type: Box
2019	Cadillac	Escalade	Main	Packaging Type: Box
2019	Cadillac	Escalade ESV	Main	Packaging Type: Box
2019	Chevrolet	Silverado 1500 LD	Main	Packaging Type: Box
2019	Chevrolet	Silverado 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2019	Chevrolet	Silverado 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2019	Chevrolet	Suburban 3500 HD	Main	Packaging Type: Box
2019	Chevrolet	Tahoe	Main	Packaging Type: Box
2019	GMC	Sierra 1500 Limited	Main	Packaging Type: Box
2019	GMC	Sierra 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2019	GMC	Sierra 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2019	GMC	Yukon	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2019	GMC	Yukon XL	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Cadillac	Escalade	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Cadillac	Escalade ESV	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Cheyenne	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Silverado 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Silverado 2500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Silverado 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Silverado 3500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Silverado 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Suburban 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	Chevrolet	Tahoe	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	GMC	Sierra	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	GMC	Sierra 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	GMC	Sierra 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	GMC	Sierra 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	GMC	Yukon	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2018	GMC	Yukon XL	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Cadillac	Escalade	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Cadillac	Escalade ESV	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Cheyenne	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Silverado 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Silverado 2500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Silverado 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Silverado 3500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Silverado 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Suburban 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	Chevrolet	Tahoe	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	GMC	Sierra	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	GMC	Sierra 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	GMC	Sierra 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	GMC	Sierra 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	GMC	Yukon	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2017	GMC	Yukon XL	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Cadillac	Escalade	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Cadillac	Escalade ESV	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Cheyenne	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Silverado 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Silverado 2500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Silverado 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Silverado 3500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Silverado 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Suburban 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	Chevrolet	Tahoe	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	GMC	Sierra	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	GMC	Sierra 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	GMC	Sierra 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	GMC	Sierra 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	GMC	Yukon	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2016	GMC	Yukon XL	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Cadillac	Escalade	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Cadillac	Escalade ESV	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Chevrolet	Cheyenne	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Chevrolet	Silverado 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Chevrolet	Silverado 2500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Chevrolet	Silverado 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Chevrolet	Silverado 3500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Chevrolet	Silverado 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	Chevrolet	Tahoe	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	GMC	Sierra	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	GMC	Sierra 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	GMC	Sierra 2500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	GMC	Sierra 3500 HD	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	GMC	Yukon	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2015	GMC	Yukon XL	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2014	Chevrolet	Cheyenne	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2014	Chevrolet	Silverado 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2014	GMC	Sierra	Main	HVAC Blend Door Actuator for mode selection in box packaging.
2014	GMC	Sierra 1500	Main	HVAC Blend Door Actuator for mode selection in box packaging.
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Directly replaces or cross-references 2 part numbers

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

22838102ADS4276