Dorman 604-056 HVAC Blend Door Actuator - Main

Dorman 604-056 HVAC Blend Door Actuator

Dorman 604-056 is an HVAC blend door actuator built for specific vehicle applications where precise temperature and airflow control are needed. It is engineered to match the fit and performance of the original actuator on select Dodge Dart models, making it a direct replacement for the factory unit.

Fits 2013-2016 Dodge Dart, Main. This HVAC blend door actuator is a practical replacement for Dodge Dart heating and air conditioning systems that rely on rotary actuator control.

Key Features

• Rotary switch activation type for blend door operation
• 5-pin male terminal design for the specified application
• Plastic housing construction
• Direct-fit HVAC heater blend door actuator for select Dodge Dart vehicles
• Matches original equipment quality and performance targets
• Part number 604-056 for easy identification and ordering

Detailed Description

This HVAC heater blend door actuator controls the movement of the blend door inside the HVAC box, helping regulate cabin temperature by directing air through the proper heating and cooling paths. Dorman 604-056 is built for the Main position on 2013-2016 Dodge Dart models and is designed to align with the original actuator’s electrical and mechanical requirements. If you are replacing a failed Dodge Dart blend door actuator, 604-056 provides a focused OE-style solution for restoring HVAC function.

This part cross-references Standard Ignition ADR4274 for the same application.

What It Helps Fix

• Inconsistent cabin temperature control
• Air stuck on hot or cold settings
• HVAC doors that do not respond to control inputs
• Clicking or repeated actuator movement from a worn unit
• Loss of proper air mixing in the heater and A/C system

Installation Notes and Tips

Verify the vehicle year, make, model, and Main position before installation. Compare the connector style, 5-pin terminal layout, and rotary activation type to the original part to confirm a proper match. After installation, cycle the HVAC controls to allow the actuator to relearn its range and confirm smooth blend door movement.

Quality Assurance

Dorman designs this actuator to match the quality and performance of the original blend door actuator on the listed applications. Part number 604-056 is intended for direct replacement use on compatible Dodge Dart HVAC systems.