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Dorman 604-176 HVAC Blend Door Actuator - Floor Console
Overview of Dorman HVAC Blend Door Actuator 604-176
The Dorman HVAC Blend Door Actuator 604-176 is designed specifically for Cadillac STS models, providing reliable control of your vehicle's climate system. This actuator features a rotary switch activation type and is constructed from durable plastic to ensure consistent performance.
- Rotary switch activation for precise HVAC control
- Durable plastic construction for long-lasting use
- Compatible with Cadillac STS models
- Includes one actuator per package
- OEM-quality replacement part number 604-176
Detailed Product Description
This HVAC blend door actuator from Dorman is engineered to regulate the airflow and temperature inside your Cadillac STS by controlling the blend door position. The rotary switch activation type allows for smooth and accurate adjustments, ensuring your vehicle's heating and cooling system operates efficiently. Made from high-quality plastic, this actuator balances durability with lightweight design, helping maintain optimal HVAC system performance over time. The part number 604-176 corresponds directly to the replacement needs of Cadillac STS vehicles, making it a precise fit for your HVAC system.
Common Applications and Problem Resolution
- Resolves inconsistent cabin temperature control in Cadillac STS
- Fixes blend door failure causing improper airflow direction
- Eliminates clicking or knocking noises from faulty actuators
- Restores smooth operation of HVAC blend doors
- Addresses issues with rotary switch activation malfunctions
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
- Replace the actuator with part number 604-176 for proper fitment
- Test HVAC system operation after installation to confirm functionality
Quality Assurance and Warranty
Dorman manufactures this HVAC blend door actuator to meet or exceed OEM standards for fit, form, and function. The plastic material used is selected for durability and resistance to wear under normal operating conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in your replacement part.
| Brand | Dorman |
| Part Number | 604-176 |
| Material | Plastic |
| Package Contents | Actuator |
| Switch Activation Type | Rotary |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Cadillac | STS | Floor Console | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2010 | Cadillac | STS | Floor Console | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2009 | Cadillac | STS | Floor Console | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2008 | Cadillac | STS | Floor Console | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2007 | Cadillac | STS | Floor Console | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2006 | Cadillac | STS | Floor Console | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2005 | Cadillac | STS | Floor Console | HVAC Blend Door Actuator for mode selection in 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.