Dorman 604-055 HVAC Blend Door Actuator - Main

Dorman 604-055 HVAC Blend Door Actuator

Dorman 604-055 is a rotary HVAC blend door actuator built for specific vehicle applications where precise air door movement is needed for temperature and mode control. It is engineered to match the quality and performance of the original actuator on select vehicles, including 2013-2016 Dodge Dart models with main HVAC blend door actuator service needs.

Key Features

• Rotary switch activation for controlled HVAC door movement
• 5-pin male terminal design for the specified electrical connection
• Plastic housing construction
• Direct-fit replacement for the main HVAC blend door actuator application on 2013-2016 Dodge Dart
• Cross-reference part numbers include Standard Ignition ADR4270 and Monroe Shocks & Struts 172286

Detailed Description

This HVAC blend door actuator is used to move the blend door inside the heater and air conditioning housing so the system can direct airflow and regulate cabin temperature. Dorman 604-055 is built for the main position and is listed for 2013, 2014, 2015, and 2016 Dodge Dart vehicles. If you are searching for a 2013-2016 Dodge Dart HVAC blend door actuator, Dorman 604-055 provides a direct replacement option for restoring proper HVAC control.

This part number, 604-055, is also referenced by interchange numbers such as 68164958AA and ADA316 for the same application.

What It Is Used For

• Restoring temperature blend control when cabin air stays too hot or too cold
• Correcting HVAC mode selection issues in the dash control system
• Addressing clicking or repeated actuator movement from a worn internal gear set
• Replacing a failed main blend door actuator on Dodge Dart HVAC systems
• Recovering consistent airflow direction and cabin comfort control

Installation Notes and Tips

Verify the connector style, terminal count, and actuator position before installation. This Dorman 604-055 unit uses a rotary activation design with a 5-pin male terminal layout, so matching the original electrical connection is important. Confirm the vehicle is a 2013-2016 Dodge Dart and that the service location is the main HVAC blend door actuator before replacement.

Quality Assurance

Dorman states that this heater blend door actuator is precision-engineered to match the quality and performance of the original part on specific vehicle years, makes, and models. That OE-style fit and function focus makes it a practical replacement for Dodge Dart HVAC repair work.