OE Quality
60-Day Returns

Dorman 604-274 HVAC Blend Door Actuator - Auxiliary
Overview of Dorman HVAC Blend Door Actuator 604-274
The Dorman HVAC Blend Door Actuator 604-274 is designed for precise climate control in Ford Expedition and Lincoln Navigator vehicles. Featuring a rotary switch activation type and durable plastic construction, this actuator ensures reliable operation within your vehicle's HVAC system.
- Rotary switch activation for smooth and accurate blend door movement
- Durable plastic material for long-lasting performance
- Compatible with Ford Expedition and Lincoln Navigator models
- Includes one actuator per package
- OEM-quality replacement part number 604-274
Detailed Product Description
This HVAC blend door actuator from Dorman is engineered to regulate airflow and temperature by controlling the blend door position in the heating and air conditioning system. The rotary switch activation type allows for precise adjustments, contributing to consistent cabin comfort. Constructed from high-quality plastic, the actuator balances durability with lightweight design, reducing wear on connected components. Specifically compatible with Ford Expedition and Lincoln Navigator models, part number 604-274 is a direct replacement that meets factory specifications.
Common Applications and Problem Resolution
- Eliminates inconsistent cabin temperature due to faulty blend door movement
- Resolves HVAC system noises caused by worn or broken actuators
- Restores proper airflow direction within the vehicle's climate control system
- Fixes issues with unresponsive or stuck blend doors in Ford Expedition and Lincoln Navigator
Installation Notes and Tips
- Ensure vehicle ignition is off before beginning installation
- Access the blend door actuator behind the dashboard on the passenger side
- Disconnect the electrical connector carefully to avoid damage
- Align the actuator gears properly to prevent binding during operation
- Test the actuator function before reassembling the dashboard components
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your HVAC system. The 604-274 blend door actuator undergoes rigorous quality control to ensure durability and fitment accuracy. This part is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use.
| Brand | Dorman |
| Part Number | 604-274 |
| Material | Plastic |
| Package Contents | Actuator |
| Switch Activation Type | Rotary |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Wheel Base | Position | Notes |
|---|---|---|---|---|---|
| 2017 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2016 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2015 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2014 | Ford | Expedition | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2014 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2013 | Ford | Expedition | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2013 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2012 | Ford | Expedition | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2012 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2011 | Ford | Expedition | 131.0" | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2011 | Ford | Expedition | 131.0" | Auxiliary | Temperature control HVAC blend door actuator for box packaging. |
| 2011 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2010 | Ford | Expedition | 131.0" | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2010 | Ford | Expedition | 131.0" | Auxiliary | Temperature control HVAC blend door actuator for box packaging. |
| 2010 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2009 | Ford | Expedition | 131.0" | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2009 | Ford | Expedition | 131.0" | Auxiliary | Temperature control HVAC blend door actuator for box packaging. |
| 2009 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2008 | Ford | Expedition | 131.0" | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2008 | Ford | Expedition | 131.0" | Auxiliary | Temperature control HVAC blend door actuator for box packaging. |
| 2008 | Lincoln | Navigator | 131.9" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2008 | Lincoln | Navigator | 131.0" | Auxiliary | Proper installation of the ABS Wheel Speed Sensor is crucial for optimal performance. |
| 2007 | Ford | Expedition | 131.0" | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2007 | Ford | Expedition | 131.0" | Auxiliary | Temperature control HVAC blend door actuator for box packaging. |
| 2007 | Lincoln | Navigator | 131.9" | Auxiliary | From 12/06/06; Packaging Type: Box |
| 2007 | Lincoln | Navigator | 131.0" | Auxiliary | From 12/06/06; 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.