Dorman 604-5131 HVAC Air Door Actuator Heater Valve - HD Solutions

The Dorman 604-5131 is a heavy-duty HVAC air door actuator designed as a direct replacement for the heater valve actuator on select Volvo and Freightliner commercial truck applications. This actuator controls airflow within the HVAC system by operating the heater blend door, restoring proper cabin temperature control when the original unit has failed.

Key Features:

• Direct replacement fit – engineered to match the exact position, fit, and function of the original actuator on specified vehicle applications
• Position-specific design – verify application notes to ensure this matches the correct actuator location in your vehicle, as many trucks have multiple HVAC actuators
• Durable construction – designed and tested to resist wear and electrical burnout for long service life
• Complete assembly – includes high-quality plastic housing with integrated motor and circuit board
• OE cross-references – replaces OEM part numbers RDHRD587910P, ABPN83301429, 2393, 71R-3573, RD-5-8791-0, RD-5-8791-0P, 10/1/4306
• Limited Lifetime Warranty – backed by Dorman's commitment to quality and over a century of automotive expertise

Dorman's HD Solutions line is purpose-built for commercial and heavy-duty vehicles. This actuator is recommended for replacement whenever the heater blend door itself is being replaced, ensuring full restoration of HVAC functionality.