Dorman 604-902 HVAC Blend Door Actuator - Right Main

Brand Dorman 604-902
Position Right Main
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Fits Lexus and Toyota · 21 vehicles

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

Rotary activation. Smooth, precise control for the blend door actuator.

Plastic construction. Lightweight design for dependable HVAC operation.

Cross-references 8710641041, ADS163 and APBDA0024 for the same application. See all 4.

$67.14Free shipping
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HVAC Blend Door Actuator for Toyota and Lexus

This Dorman HVAC blend door actuator restores temperature control at the heater and A/C blend door on select Toyota and Lexus vehicles. The rotary actuator design and plastic housing are built to match the original unit’s function and fit on the specified right main position applications.

Compatible with 2001-2007 Toyota Highlander, right main; 2002-2003 Lexus ES300, right main; 2004-2006 Lexus ES330, right main; 2004-2006 Lexus RX330, right main; 2006-2008 Lexus RX400h, right main; and 2007-2009 Lexus RX350, right main.

  • Rotary switch activation type for blend door movement
  • Plastic construction for direct replacement use
  • Matches the original actuator’s quality and performance on listed applications
  • Fits temperature-control HVAC blend door positions on select Toyota and Lexus models
  • Dorman 604-902 for right main HVAC blend door service

Detailed Product Overview

Dorman 604-902 is an HVAC heater blend door actuator engineered for specific Toyota and Lexus vehicles where the temperature blend door needs precise control. It is used in the right main position and is built to replicate the operation of the original actuator, helping the HVAC system direct air through the correct blend door setting for cabin temperature adjustment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle fitment includes Toyota Highlander, Lexus ES300, Lexus ES330, Lexus RX330, Lexus RX400h, and Lexus RX350 across the listed model years. If you are replacing a failed Dorman 604-902 unit or servicing a Toyota Highlander or Lexus RX-series HVAC system, confirm the right main location and model-year match before installation.

Common Problems This Part Can Address

  • Inconsistent cabin temperature from the HVAC vents
  • Temperature stuck on hot or cold
  • Blend door movement that does not respond to control input
  • Clicking or binding from the HVAC actuator area
  • Loss of proper air mixing in the climate control system

Installation Notes and Tips

Verify the vehicle year, make, model, and right main position before replacement. Compare the connector, mounting points, and actuator orientation to the original unit before installation. After installation, cycle the HVAC controls to confirm smooth blend door operation and proper temperature response.

Quality Assurance

Dorman states this HVAC heater blend door actuator is precision-engineered to match the quality and performance of the original blend door actuator on the listed vehicle applications. Dorman 604-902 is built as a direct replacement part for specific Toyota and Lexus HVAC systems.

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009LexusRX350Right MainTemperature; Built in Japan; Packaging Type: Box
2008LexusRX350Right MainTemperature; Built in Japan; Packaging Type: Box
2008LexusRX400hRight MainTemperature control HVAC blend door actuator for box packaging.
2007LexusRX350Right MainTemperature; Built in Japan; Packaging Type: Box
2007LexusRX400hRight MainTemperature control HVAC blend door actuator for box packaging.
2007ToyotaHighlanderRight MainTemperature control HVAC blend door actuator for box packaging.
2006LexusES330Right MainTemperature control HVAC blend door actuator for box packaging.
2006LexusRX330Right MainTemperature; Built in Japan; Packaging Type: Box
2006LexusRX400hRight MainTemperature control HVAC blend door actuator for box packaging.
2006ToyotaHighlanderRight MainTemperature control HVAC blend door actuator for box packaging.
2005LexusES330Right MainTemperature control HVAC blend door actuator for box packaging.
2005LexusRX330Right MainTemperature; Built in Japan; Packaging Type: Box
2005ToyotaHighlanderRight MainTemperature control HVAC blend door actuator for box packaging.
2004LexusES330Right MainTemperature control HVAC blend door actuator for box packaging.
2004LexusRX330Right MainTemperature; Built in Japan; Packaging Type: Box
2004ToyotaHighlanderRight MainTemperature control HVAC blend door actuator for box packaging.
2003LexusES300Right MainTemperature control HVAC blend door actuator for box packaging.
2003ToyotaHighlanderRight MainTemperature control HVAC blend door actuator for box packaging.
2002LexusES300Right MainTemperature control HVAC blend door actuator for box packaging.
2002ToyotaHighlanderRight MainTemperature control HVAC blend door actuator for box packaging.
2001ToyotaHighlanderRight MainTemperature control HVAC blend door actuator for box packaging.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
8710641041ADS163APBDA0024F04094