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Dorman 604-175 HVAC Blend Door Actuator - Floor Console
Overview of Dorman HVAC Blend Door Actuator for Cadillac STS
The Dorman 604-175 HVAC Blend Door Actuator is designed specifically for Cadillac STS models, providing reliable control of your vehicle's heating and cooling system. This actuator features a rotary switch activation type and is constructed from durable plastic to ensure consistent performance.
- Rotary switch activation type for precise HVAC control
- Durable plastic construction for long-lasting use
- Includes one air door actuator per package
- Compatible with Cadillac STS models
- OEM-quality replacement part number 604-175
Detailed Product Description
The Dorman 604-175 HVAC Blend Door Actuator is engineered to regulate the blend door within the HVAC system of Cadillac STS vehicles. The rotary switch activation type allows for smooth and accurate adjustment of air temperature by controlling the position of the blend door. Made from high-quality plastic, this actuator resists wear and environmental factors, ensuring dependable operation over time. This part is an exact replacement designed to meet or exceed original equipment specifications, making it suitable for restoring proper HVAC function in your Cadillac STS.
Common Applications and Issues Resolved
- Restores proper air temperature control in Cadillac STS HVAC systems
- Eliminates inconsistent or stuck blend door movement
- Resolves HVAC system noises related to faulty actuators
- Fixes issues with air not mixing correctly between hot and cold settings
- Addresses failure of the blend door to respond to temperature adjustments
Installation Notes and Tips
- Ensure vehicle ignition is off before beginning installation
- Access the blend door actuator behind the dashboard on Cadillac STS models
- Disconnect the electrical connector carefully to avoid damage
- Remove mounting screws and replace with the Dorman 604-175 actuator
- Test HVAC system operation after installation to confirm proper function
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Cadillac STS. The 604-175 HVAC Blend Door Actuator undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 604-175 |
| Material | Plastic |
| Package Contents | 1 Air Door Actuator |
| Switch Activation Type | Rotary |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Cadillac | STS | Floor Console | Temperature control HVAC blend door actuator for box packaging. |
| 2010 | Cadillac | STS | Floor Console | Temperature control HVAC blend door actuator for box packaging. |
| 2009 | Cadillac | STS | Floor Console | Temperature control HVAC blend door actuator for box packaging. |
| 2008 | Cadillac | STS | Floor Console | Temperature control HVAC blend door actuator for box packaging. |
| 2007 | Cadillac | STS | Floor Console | Temperature control HVAC blend door actuator for box packaging. |
| 2006 | Cadillac | STS | Floor Console | Temperature control HVAC blend door actuator for box packaging. |
| 2005 | Cadillac | STS | Floor Console | Temperature control HVAC blend door actuator for box packaging. |
* 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.