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Dorman 604-133 HVAC Blend Door Actuator - MainOE Quality 60-Day Returns
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Part #: 604-133

Dorman 604-133 HVAC Blend Door Actuator - Main

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⚙️ 21 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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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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Overview of Dorman HVAC Blend Door Actuator 604-133

The Dorman HVAC Blend Door Actuator 604-133 is designed to restore proper airflow control in your vehicle's heating and cooling system. This actuator is compatible with select Chevrolet and Pontiac models, providing reliable rotary switch activation for precise temperature regulation.

  • Rotary switch activation type for smooth operation
  • Durable plastic construction for long-lasting performance
  • Includes one actuator per package
  • Compatible with Chevrolet Cobalt, HHR, Pursuit and Pontiac G4, G5 models
  • OEM-quality replacement part number 604-133

Detailed Product Description

The Dorman 604-133 HVAC Blend Door Actuator is engineered to control the blend door within the HVAC system, allowing for accurate mixing of hot and cold air. Featuring a rotary switch activation type, this actuator ensures consistent and responsive movement of the blend door. Constructed from durable plastic materials, it offers resistance to wear and environmental factors inside the HVAC housing. This part is specifically designed to fit Chevrolet Cobalt, HHR, Pursuit, and Pontiac G4 and G5 models, making it a precise replacement for the original actuator.

Common Issues Resolved by This Actuator

  • Inconsistent cabin temperature due to blend door malfunction
  • Unresponsive or stuck HVAC temperature controls
  • Unusual noises from the HVAC system when adjusting temperature
  • Failure of the blend door to move, causing hot or cold air only
  • Intermittent airflow problems related to actuator failure

Installation Notes and Tips

  • Ensure vehicle compatibility with Chevrolet Cobalt, HHR, Pursuit or Pontiac G4, G5 before installation
  • Disconnect the battery before beginning to avoid electrical issues
  • Access the HVAC housing carefully to avoid damaging surrounding components
  • Verify the actuator’s rotary switch alignment during installation for proper function
  • Test the HVAC system after installation to confirm correct operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance and fitment. The HVAC Blend Door Actuator 604-133 undergoes rigorous quality control to ensure durability and functionality. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions.

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.

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