HomeHVAC > Temperature Controls and Related ComponentsDorman 604-133 HVAC Blend Door Actuator - Main
Part #: 604-133

Dorman 604-133 HVAC Blend Door Actuator - Main

Main
21 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and Pontiac, HHR, Cobalt, G5, and G4
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Dorman 604-133 HVAC Blend Door Actuator

The Dorman 604-133 HVAC blend door actuator is a rotary, plastic replacement part engineered to match the quality and performance of the original actuator on specific vehicles. It is used in temperature control HVAC systems to move the blend door and regulate cabin air temperature.

Key Features

  • Rotary switch activation type for HVAC temperature control operation
  • Plastic housing construction
  • Direct replacement for the original blend door actuator on listed applications
  • Packaged as an actuator only
  • Cross-references Standard Ignition ADR125 and Dayco 73051 for the same application

Detailed Description

This Dorman 604-133 blend door actuator is built for temperature control HVAC systems in select Chevrolet and Pontiac vehicles. It is designed for the main HVAC position and helps control the blend door movement that directs heated and cooled air through the cabin. Compatible applications include 2006-2011 Chevrolet HHR, 2005-2010 Chevrolet Cobalt, 2007-2010 Pontiac G5, 2005-2006 Pontiac G4, 2005-2006 Pontiac Pursuit, and 2005 Chevrolet Cobalt with heater-only mode. The Dorman 604-133 is a practical OE-style replacement for restoring HVAC temperature control function.

What It Helps Fix

  • Inconsistent cabin temperature control
  • Air stuck on hot or cold settings
  • Blend door movement problems in the HVAC box
  • Temperature changes that do not respond to the control knob
  • HVAC actuator noise or failure in the main position

Installation Notes and Tips

Install the actuator in the main HVAC blend door location on the listed Chevrolet HHR, Chevrolet Cobalt, Pontiac G5, Pontiac G4, and Pontiac Pursuit applications. Verify the vehicle year, model, and HVAC configuration before replacement, especially on the 2005 Chevrolet Cobalt heater-only application. After installation, cycle the temperature controls to confirm proper actuator movement and blend door response.

Quality Assurance

Dorman engineers this HVAC heater blend door actuator to match the quality and performance of the original part on specific vehicle years, makes, and models. The Dorman 604-133 is built as a direct-fit replacement for the listed applications.

BrandDorman
Part Number604-133
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2011ChevroletHHRMainTemperature control HVAC blend door actuator for box packaging.
2010ChevroletCobaltMainTemperature control HVAC blend door actuator for box packaging.
2010ChevroletHHRMainTemperature control HVAC blend door actuator for box packaging.
2010PontiacG5MainTemperature control HVAC blend door actuator for box packaging.
2009ChevroletCobaltMainTemperature control HVAC blend door actuator for box packaging.
2009ChevroletHHRMainTemperature control HVAC blend door actuator for box packaging.
2009PontiacG5MainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletCobaltMainTemperature control HVAC blend door actuator for box packaging.
2008ChevroletHHRMainTemperature control HVAC blend door actuator for box packaging.
2008PontiacG5MainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletCobaltMainTemperature control HVAC blend door actuator for box packaging.
2007ChevroletHHRMainTemperature control HVAC blend door actuator for box packaging.
2007PontiacG5MainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletCobaltMainTemperature control HVAC blend door actuator for box packaging.
2006ChevroletHHRMainTemperature control HVAC blend door actuator for box packaging.
2006PontiacG4MainTemperature control HVAC blend door actuator for box packaging.
2006PontiacPursuitMainPackaging Type: Box
2005ChevroletCobaltMainMode; w/Heater Only; Packaging Type: Box
2005ChevroletCobaltMainTemperature control HVAC blend door actuator for box packaging.
2005PontiacG4MainTemperature control HVAC blend door actuator for box packaging.
2005PontiacPursuitMainPackaging Type: Box

* 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:

1039307515-7310873051ADR125ADS125APBDA0083F04029SK604133

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