Dorman 604-244 HVAC Blend Door Actuator - Left Main, Main or Right Main

Reliable HVAC Blend Door Actuator for Ford, Lincoln, and Mercury

The Dorman 604-244 HVAC Blend Door Actuator is designed to restore proper airflow control in your vehicle's heating and cooling system. Compatible with select Ford Fusion, Lincoln MKZ, Mercury Milan, and Zephyr models, this actuator ensures smooth operation of your HVAC blend doors.

• Rotary switch activation type for precise airflow adjustment
• Durable plastic construction for long-lasting performance
• Includes one air door actuator per package
• Compatible with Ford Fusion, Lincoln MKZ, Mercury Milan, and Zephyr
• OEM-quality replacement part number 604-244

Product Details and Specifications

The Dorman 604-244 blend door actuator features a rotary switch activation type, which allows for accurate modulation of the HVAC blend door position. Constructed from durable plastic, this actuator is engineered to withstand the temperature fluctuations and mechanical stresses typical in automotive HVAC systems. This part is supplied as a single air door actuator, making it a straightforward replacement for your vehicle’s faulty or worn blend door actuator. It is specifically designed to fit Ford Fusion, Lincoln MKZ, Mercury Milan, and Zephyr models, ensuring compatibility and reliable operation.

Common HVAC Issues Resolved by This Actuator

• Inconsistent cabin temperature due to blend door malfunction
• Unresponsive or stuck HVAC blend door controls
• Unusual noises from the HVAC system when adjusting temperature
• Failure to switch between heating and cooling modes properly
• Reduced airflow or improper air distribution inside the vehicle

Installation Notes and Tips

Installation of the Dorman 604-244 blend door actuator typically requires removal of the dashboard panel to access the HVAC housing. Ensure the vehicle’s battery is disconnected before beginning to avoid electrical issues. Align the actuator’s rotary switch correctly with the blend door shaft to prevent binding or improper operation. Refer to the vehicle’s service manual for detailed instructions specific to Ford Fusion, Lincoln MKZ, Mercury Milan, or Zephyr models. Testing the actuator function before reassembling the dashboard is recommended to confirm proper installation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 604-244 HVAC blend door actuator undergoes quality control inspections to ensure consistent operation. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions. For specific warranty terms, consult the product documentation or Dorman’s official resources.