Dorman 604-211 HVAC Blend Door Actuator - Auxiliary
OE Quality 60-Day Returns
Dorman

Dorman 604-211 HVAC Blend Door Actuator - Auxiliary

Brand Dorman 604-211
Position Auxiliary
Material Plastic
Package Contents Actuator
Switch Activation Type Rotary
Fits Ford, Mercury, and Lincoln · 21 vehicles

OE-style replacement. Precision-engineered to match original quality and performance.

Rotary design. Provides smooth HVAC blend door control.

Plastic construction. Lightweight actuator built for dependable operation.

Cross-references Four Seasons 73026, TechSmart G04002 and TechSmart J04005 for the same application. See all 6.

$52.85Free shipping
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Dorman 604-211 HVAC Blend Door Actuator

Dorman 604-211 is a rotary HVAC blend door actuator built for specific Ford, Mercury, and Lincoln applications. It is engineered to match the fit and operating performance of the original temperature control actuator on the listed vehicles, including auxiliary HVAC systems.

Key Features

  • Rotary switch activation for HVAC temperature control
  • Plastic housing for application-specific fitment
  • Direct replacement blend door actuator for selected vehicles
  • Matches original actuator quality and performance targets
  • Package contents: actuator

Application Details

This HVAC blend door actuator is used in auxiliary temperature control systems on 2002-2010 Ford Explorer, 2002-2010 Mercury Mountaineer, and 2003-2005 Lincoln Aviator applications. Fits 2004-2010 Ford Explorer, Auxiliary. Fits 2003-2010 Mercury Mountaineer, Auxiliary. Fits 2003-2005 Lincoln Aviator, Auxiliary. The Dorman 604-211 part number is also referenced for related OE-style replacement needs in these vehicle platforms.

This part cross-references Four Seasons 73026 for the same application.

What It Helps Fix

  • Inconsistent cabin temperature from the auxiliary HVAC system
  • Temperature changes that do not respond correctly to control input
  • Blend door movement problems in the heater and air distribution system
  • HVAC actuator noise caused by worn internal components
  • Loss of proper temperature blending in the rear or auxiliary climate circuit

Installation Notes and Tips

Verify the vehicle year, make, model, and auxiliary position before installation. This actuator uses a rotary activation design, so the replacement should match the original control style and shaft configuration on the listed applications. Confirm the HVAC system layout and actuator location against the original unit before service. The Dorman 604-211 should be installed only on the exact fitment listed for the vehicle.

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 focus supports consistent operation in the HVAC temperature control system for the listed Ford Explorer, Mercury Mountaineer, and Lincoln Aviator applications.

Related reading

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModel# DoorsPositionNotes
2010FordExplorer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2010MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2009FordExplorer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2009MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2008FordExplorer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2008MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2007FordExplorer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2007MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006FordExplorer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2006MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005FordExplorer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2005LincolnAviator—AuxiliaryTemperature; Overhead HVAC; D Shaped Shaft; Packaging Type: Box
2005MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2004FordExplorer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2004LincolnAviator—AuxiliaryTemperature; Overhead HVAC; D Shaped Shaft; Packaging Type: Box
2004MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2003FordExplorer4 DoorAuxiliaryTemperature; D Shaped Shaft; Packaging Type: Box
2003LincolnAviator—AuxiliaryTemperature; Overhead HVAC; D Shaped Shaft; Packaging Type: Box
2003MercuryMountaineer—AuxiliaryTemperature control HVAC blend door actuator for box packaging.
2002FordExplorer4 DoorAuxiliaryTemperature; D Shaped Shaft; From 3/04/02; Packaging Type: Box
2002MercuryMountaineer—AuxiliaryTemperature; From 3/04/02; Packaging Type: Box
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 73026TechSmart — G04002TechSmart — J040052L2Z19E616BAADS216SK604211