Dorman 604-125 HVAC Blend Door Actuator - Auxiliary
OE Quality 60-Day Returns
Dorman

Dorman 604-125 HVAC Blend Door Actuator - Auxiliary

Brand Dorman 604-125
Position Auxiliary
Material Plastic
Package Contents Actuator
Switch Activation Type Rotary
Fits Chevrolet, GMC, and Cadillac · 162 vehicles

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

Rotary activation. Smoothly controls the blend door with a simple rotary design.

Plastic construction. Lightweight actuator housing for dependable HVAC operation.

Cross-references FEL-PRO 73062, Standard Ignition ADR117 and 15-72262 for the same application. See all 7.

$61.18Free 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 $61.18
Free shipping to the continental U.S.
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 Auxiliary Control

Dorman 604-125 is an HVAC heater blend door actuator built for auxiliary mode selection on select Chevrolet, GMC, and Cadillac vehicles. It uses a rotary switch activation design and a plastic housing to match the original actuator’s function on the listed applications.

Compatible with 1996-2023 Chevrolet Express and GMC Savana vans, plus select Cadillac DeVille and Seville models, this actuator is a direct-fit replacement for auxiliary HVAC blend door control. The Dorman 604-125 part number is also referenced in OE-style replacement searches for these applications.

Key Features

  • HVAC blend door actuator for auxiliary position control
  • Rotary switch activation type
  • Plastic construction
  • Supplied as an actuator assembly
  • Precision-engineered to match original fit and performance on specific vehicles
  • Cross-reference part number: Standard Ignition ADR117

Detailed Description

Dorman 604-125 is designed for vehicles that use an auxiliary HVAC blend door actuator to control air distribution and temperature blend functions. It is a direct replacement for the original actuator on select Chevrolet Express 1500, Express 2500, and Express 3500, GMC Savana 1500, Savana 2500, and Savana 3500, as well as Cadillac DeVille and Seville applications listed in the fitment data. Search terms such as HVAC blend door actuator for 2000-2004 Cadillac DeVille auxiliary or blend door actuator for 1996-2019 Chevrolet Express 2500 auxiliary align with this part.

This part number, 604-125, is also associated with OE-style interchange references used in HVAC repair catalogs. For buyers servicing Chevrolet Express and GMC Savana auxiliary HVAC systems, 604-125 provides a focused replacement option for restoring proper mode selection and cabin airflow control.

What It Helps Fix

  • Incorrect air distribution between HVAC outlets
  • Loss of auxiliary mode selection
  • Sticking or unresponsive blend door movement
  • Temperature or airflow control issues tied to actuator failure
  • HVAC system noise caused by a worn actuator mechanism

Installation Notes and Tips

Verify the vehicle year, make, model, and auxiliary position before ordering. This actuator is listed for specific Chevrolet Express, GMC Savana, Cadillac DeVille, and Cadillac Seville applications, so confirm the original part location matches the auxiliary HVAC blend door actuator. Compare the connector style, mounting points, and actuator orientation with the removed unit before installation.

After installation, cycle the HVAC controls to allow the system to relearn actuator positions if required by the vehicle. If the original actuator failed due to a binding blend door, inspect the door movement and HVAC case before replacing the part.

Quality Assurance

Dorman states that this HVAC heater blend door actuator is precision-engineered to match the quality and performance of the original actuator on the specified vehicle applications. The part is built to OE-style expectations for fit and function on the listed Chevrolet, GMC, and Cadillac models.

Related reading

This part fits 162 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2023ChevroletExpress 2500AuxiliaryPackaging Type: Box
2023ChevroletExpress 3500AuxiliaryPackaging Type: Box
2023GMCSavana 2500AuxiliaryPackaging Type: Box
2023GMCSavana 3500AuxiliaryPackaging Type: Box
2022ChevroletExpress 2500AuxiliaryPackaging Type: Box
2022ChevroletExpress 3500AuxiliaryPackaging Type: Box
2022GMCSavana 2500AuxiliaryPackaging Type: Box
2022GMCSavana 3500AuxiliaryPackaging Type: Box
2021ChevroletExpress 2500AuxiliaryPackaging Type: Box
2021ChevroletExpress 3500AuxiliaryPackaging Type: Box
2021GMCSavana 2500AuxiliaryPackaging Type: Box
2021GMCSavana 3500AuxiliaryPackaging Type: Box
2020ChevroletExpress 2500AuxiliaryPackaging Type: Box
2020ChevroletExpress 3500AuxiliaryPackaging Type: Box
2020GMCSavana 2500AuxiliaryPackaging Type: Box
2020GMCSavana 3500AuxiliaryPackaging Type: Box
2019ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2019ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2019GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2019GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2018ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2018ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2018GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2018GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2017ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2017ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2017GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2017GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2016ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2016ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2016GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2016GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2015ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2015ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2015GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2015GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2008ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2008ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2008ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2008GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2008GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2008GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2006GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2005GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004CadillacDeVilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004CadillacSevilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2004GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003CadillacDeVilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003CadillacSevilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2003GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002CadillacDeVilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002CadillacSevilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2002GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001CadillacDeVilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001CadillacSevilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2001GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000CadillacDeVilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000CadillacSevilleAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2000GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1999ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1999ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1999ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1999GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1999GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1999GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1998ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1998ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1998ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1998GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1998GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1998GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1997ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1997ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1997ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1997GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1997GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1997GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996ChevroletExpress 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996ChevroletExpress 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996ChevroletExpress 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996ChevroletG30AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996GMCG3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996GMCSavana 1500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996GMCSavana 2500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
1996GMCSavana 3500AuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — 73062Standard Ignition — ADR11715-7226216209099ADS117F04019SK604125