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Dorman 604-133 HVAC Blend Door Actuator - Main
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.
| Brand | Dorman |
|---|---|
| Part Number | 604-133 |
| Material | Plastic |
| Package Contents | Actuator |
| Switch Activation Type | Rotary |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Chevrolet | HHR | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2010 | Chevrolet | Cobalt | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2010 | Chevrolet | HHR | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2010 | Pontiac | G5 | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2009 | Chevrolet | Cobalt | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2009 | Chevrolet | HHR | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2009 | Pontiac | G5 | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2008 | Chevrolet | Cobalt | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2008 | Chevrolet | HHR | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2008 | Pontiac | G5 | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2007 | Chevrolet | Cobalt | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2007 | Chevrolet | HHR | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2007 | Pontiac | G5 | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2006 | Chevrolet | Cobalt | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2006 | Chevrolet | HHR | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2006 | Pontiac | G4 | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2006 | Pontiac | Pursuit | Main | Packaging Type: Box |
| 2005 | Chevrolet | Cobalt | Main | Mode; w/Heater Only; Packaging Type: Box |
| 2005 | Chevrolet | Cobalt | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2005 | Pontiac | G4 | Main | Temperature control HVAC blend door actuator for box packaging. |
| 2005 | Pontiac | Pursuit | Main | Packaging 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.