Dorman 604-871 HVAC Blend Door Actuator - Auxiliary
OE Quality 60-Day Returns
Dorman

Dorman 604-871 HVAC Blend Door Actuator - Auxiliary

Brand Dorman 604-871
Position Auxiliary
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Terminal Gender Male
Terminal Quantity 7
Terminal Type Pin
Fits Honda and Acura · 14 vehicles

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

Rotary design. Smoothly controls HVAC blend door movement.

Plastic housing. Lightweight construction with pin terminals.

Cross-references Standard Ignition ADR4297, 79260STXA01 and ADS4297 for the same application. See all 4.

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Dorman 604-871 HVAC Blend Door Actuator

Dorman 604-871 is a rotary HVAC blend door actuator built for specific Honda Pilot and Acura MDX applications. It is engineered to match the fit and operating performance of the original heater blend door actuator, with a 7-pin male terminal layout and plastic housing for the auxiliary HVAC position.

Key Features

  • Rotary switch activation for HVAC blend door control
  • 7-pin male terminal design for the specified vehicle connector style
  • Plastic construction for the auxiliary HVAC actuator location
  • Direct replacement format for selected Honda and Acura models
  • Cross-references Standard Ignition ADR4297 for the same application

Product Details

This HVAC blend door actuator is used in the auxiliary HVAC system to control mode selection and air distribution. Dorman 604-871 is listed for 2009-2015 Honda Pilot, Auxiliary, and 2007-2013 Acura MDX, Auxiliary. For buyers searching for a Honda Pilot blend door actuator or Acura MDX HVAC actuator replacement, this part number provides a direct-fit option for the specified auxiliary position. It also cross-references Standard Ignition ADR4297 for the same application.

What It Helps Solve

  • Incorrect air distribution between vents, floor, and defrost settings
  • HVAC mode changes that do not respond properly
  • Actuator noise from worn internal gears or motor wear
  • Loss of auxiliary HVAC blend door movement
  • Temperature or airflow control issues tied to the blend door system

Installation Notes and Tips

Verify the connector style, terminal count, and auxiliary position before installation. This part number 604-871 uses a rotary activation design with a 7-pin male terminal interface, so matching the original actuator configuration is important for proper operation. Confirm vehicle year, make, model, and HVAC position against the fitment listing for 2009-2015 Honda Pilot and 2007-2013 Acura MDX.

Quality Assurance

Dorman engineers this heater blend door actuator to match the quality and performance of the original component on the listed vehicles. The part is built to OE-style specifications for the auxiliary HVAC application and is intended to restore proper actuator function in the specified Honda and Acura platforms.

Related reading

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015HondaPilotAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014HondaPilotAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013AcuraMDXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013HondaPilotAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012AcuraMDXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012HondaPilotAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011AcuraMDXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011HondaPilotAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010AcuraMDXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010HondaPilotAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009AcuraMDXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2009HondaPilotAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2008AcuraMDXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2007AcuraMDXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — ADR429779260STXA01ADS4297APBDA0316