Dorman 604-854 HVAC Blend Door Actuator - Main

Dorman 604-854 HVAC Blend Door Actuator

Dorman 604-854 is a replacement HVAC blend door actuator for select Volkswagen models with dual zone temperature control and indirect vent systems. It is precision-engineered to match the fit and performance of the original actuator on the listed applications, helping restore consistent cabin temperature control.

• Rotary switch activation type for blend door movement
• 5 blade terminals with male terminal design
• Plastic housing for HVAC system use
• Direct replacement for select Volkswagen CC, Passat, and Passat CC applications
• Cross-reference part number: 3C0907511

Detailed Product Overview

This HVAC heater blend door actuator is built for specific Volkswagen CC, Volkswagen Passat, and Volkswagen Passat CC vehicles equipped with indirect vent and dual zone temperature control. Dorman 604-854 is intended to restore proper blend door operation so the HVAC system can direct air temperature as commanded by the control head. The part number 604-854 is also referenced for applications that require an OE-style rotary actuator with blade terminals.

This part cross-references Monroe Shocks & Struts (e.g., 3C0907511) for the same application.

What This Part Helps Correct

• Inconsistent hot and cold air blending from the vents
• Temperature stuck on one side of the cabin in dual zone systems
• HVAC clicking or repeated actuator movement behind the dash
• Air distribution that does not respond correctly to temperature changes
• Blend door movement problems in the main HVAC position

Installation Notes and Tips

Verify the vehicle year, model, and HVAC configuration before installation. This actuator is listed for the main position on 2006-2010 Volkswagen Passat, 2009-2012 Volkswagen Passat CC, 2012-2015 Volkswagen Passat, and 2012-2017 Volkswagen CC with indirect vent and dual zone temperature control. Compare the connector style, terminal count, and actuator mounting points to the original unit before replacement.

• Fits 2006-2010 Volkswagen Passat, Main
• Fits 2009-2012 Volkswagen Passat CC, Main
• Fits 2012-2015 Volkswagen Passat, Main
• Fits 2012-2017 Volkswagen CC, Main

Quality Assurance

Dorman manufactures this HVAC blend door actuator as a precision replacement for the original part on the listed Volkswagen applications. The design focuses on matching OE-style operation, connector layout, and actuator function for dependable HVAC repair work.