Dorman 604-136 HVAC Blend Door Actuator - Left Main or Main
OE Quality 60-Day Returns
Dorman

Dorman 604-136 HVAC Blend Door Actuator - Left Main or Main

Brand Dorman 604-136
Position Main
Material Plastic
Package Contents Actuator
Switch Activation Type Rotary
Fits Chevrolet and GMC · 108 vehicles

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

Rotary design. Provides smooth control of HVAC blend door movement.

Plastic construction. Lightweight actuator built for dependable operation.

Cross-references SKP SK604136, 52498392 and ADS137 for the same application. See all 4.

$51.00Free 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.
Not what you need? See all HVAC Blend Door Actuator options

HVAC Blend Door Actuator for GM Vans

Dorman 604-136 is a rotary HVAC blend door actuator built for temperature control in select Chevrolet Express and GMC Savana vans. It is precision-engineered to match the fit and performance of the original actuator on the listed applications, helping restore proper cabin air temperature control.

  • Rotary switch activation type for HVAC blend door operation
  • Plastic housing construction
  • Direct replacement style for the original blend door actuator
  • Fits Chevrolet Express 1500, Express 2500, and Express 3500 applications
  • Fits GMC Savana 1500, Savana 2500, and Savana 3500 applications
  • Part number 604-136 for easy identification

Detailed Product Overview

This Dorman HVAC blend door actuator is used to control the blend door that regulates heated and cooled air inside the vehicle. It is a fitment-based replacement for GM full-size vans, including Chevrolet Express and GMC Savana models across the listed years. If your HVAC system is not changing temperature correctly, this actuator provides a direct replacement path for restoring blend door movement and cabin temperature control. Cross-reference part numbers include 52498392 and ADS137 for the same application.

Common Issues This Part Can Address

  • Air stuck on hot or cold temperature settings
  • Inconsistent cabin temperature control
  • Blend door movement problems caused by actuator failure
  • HVAC temperature changes that do not respond to control inputs
  • Loss of proper air mixing in the heating and cooling system

Installation Notes and Tips

Verify the vehicle year, make, model, and HVAC position before installation. This actuator is listed for the Main position on the specified Chevrolet Express and GMC Savana applications. Confirm connector style, mounting location, and HVAC diagnosis before replacement so the new actuator addresses the actual fault.

Quality Assurance

Dorman engineers this HVAC heater blend door actuator to match the quality and performance of the original part on the listed vehicles. It is built as a direct-fit replacement for specific Chevrolet Express and GMC Savana applications, with OE-style function for temperature control.

Related reading

This part fits 108 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2023ChevroletExpress 2500MainPackaging Type: Box
2023ChevroletExpress 3500MainPackaging Type: Box
2023GMCSavana 2500MainPackaging Type: Box
2023GMCSavana 3500MainPackaging Type: Box
2022ChevroletExpress 2500MainPackaging Type: Box
2022ChevroletExpress 3500MainPackaging Type: Box
2022GMCSavana 2500MainPackaging Type: Box
2022GMCSavana 3500MainPackaging Type: Box
2021ChevroletExpress 2500MainPackaging Type: Box
2021ChevroletExpress 3500MainPackaging Type: Box
2021GMCSavana 2500MainPackaging Type: Box
2021GMCSavana 3500MainPackaging Type: Box
2020ChevroletExpress 2500MainPackaging Type: Box
2020ChevroletExpress 3500MainPackaging Type: Box
2020GMCSavana 2500MainPackaging Type: Box
2020GMCSavana 3500MainPackaging Type: Box
2019ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2019ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2019GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2019GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2018ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2018ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2018GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2018GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2017ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2017ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2017GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2017GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2016ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2016ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2016GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2016GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2015ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2015ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2015GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2015GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2014ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2014ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2014ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2014GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2014GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2014GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2013ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2013ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2013ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2013GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2013GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2013GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2012ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2012ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2012ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2012GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2012GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2012GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2011ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2011ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2011ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2011GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2011GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2011GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2010ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2010ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2010ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2010GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2010GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2010GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2009ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2009ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2009ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2009GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2009GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2009GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2008GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2008GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2008GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2007GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2007GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2007GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2006GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2006GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2006GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2005ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2005ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2005ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2005GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2005GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2005GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2004ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2004ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2004ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2004GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2004GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2004GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
2003ChevroletExpress 1500MainTemperature control HVAC blend door actuator for box packaging.
2003ChevroletExpress 2500MainTemperature control HVAC blend door actuator for box packaging.
2003ChevroletExpress 3500MainTemperature control HVAC blend door actuator for box packaging.
2003GMCSavana 1500MainTemperature control HVAC blend door actuator for box packaging.
2003GMCSavana 2500MainTemperature control HVAC blend door actuator for box packaging.
2003GMCSavana 3500MainTemperature control HVAC blend door actuator for box packaging.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
SKP — SK60413652498392ADS137F04053