Dorman 604-901 HVAC Blend Door Actuator - Left Upper Main or Main
OE Quality 60-Day Returns
Dorman

Dorman 604-901 HVAC Blend Door Actuator - Left Upper Main or Main

Brand Dorman 604-901
Position Main
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Fits Lexus and Toyota · 19 vehicles

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

Rotary design. Smoothly controls the blend door for consistent HVAC operation.

Plastic construction. Lightweight actuator housing for dependable operation.

Cross-references 8710607060 and APBDA0324 for the same application. See all 2.

$134.79Free shipping
In stock · usually ships same day before 1pm CST
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Order total $134.79
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Free returns within 60 days if it doesn't fit when fitment is verified.
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HVAC Blend Door Actuator for Toyota and Lexus

This Dorman HVAC blend door actuator is built for specific Toyota and Lexus applications where precise air-door movement is needed for proper cabin airflow control. It uses a rotary switch activation design and a plastic housing to match the original actuator style on listed vehicles, including Toyota Highlander, Lexus RX330, Lexus RX350, Lexus RX400h, and Toyota Avalon applications.

Key Features

  • Direct replacement HVAC blend door actuator for selected Toyota and Lexus models
  • Rotary switch activation type for blend or mode door control
  • Plastic construction for OE-style fit and function
  • Matches original actuator performance on listed applications
  • Cross-reference part numbers: 8710607060, APBDA0324

Detailed Description

Dorman Part Number 604-901 is a heater blend door actuator engineered to match the quality and performance of the original unit on specific vehicles. It is used in HVAC systems to move the blend or mode door, helping regulate where heated or cooled air is directed inside the cabin. This part number 604-901 is listed for 2007-2009 Lexus RX350, 2006-2008 Lexus RX400h, 2004-2007 Toyota Highlander, 2004-2006 Lexus RX330, and 1999-2004 Toyota Avalon applications. For buyers searching for a Toyota Highlander HVAC blend door actuator or a Lexus RX350 mode door actuator, this replacement is built around the original fitment and function.

What It Helps Fix

  • Airflow stuck on one vent setting
  • Inconsistent temperature blend between hot and cold air
  • HVAC mode door movement problems
  • Clicking or binding from a failed actuator
  • Loss of proper cabin air distribution in Toyota and Lexus HVAC systems

Installation Notes and Tips

Verify the vehicle year, make, model, and actuator position before installation. This part is listed for Main and Left Upper Main positions depending on application, so match the original unit location carefully. Inspect the HVAC housing and door linkage for damage or obstruction before installing the replacement actuator. Confirm connector style and mounting points against the removed part to ensure proper alignment.

Quality Assurance

Dorman designs this actuator as an OE-style replacement for the listed applications, with fit and performance intended to align with the original part on supported Toyota and Lexus vehicles. Part number 604-901 is built to meet the needs of HVAC repair work where accurate blend door control is required.

Related reading

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2009LexusRX350—MainMode; Evaporator Housing; Packaging Type: Box
2008LexusRX350—MainMode; Evaporator Housing; Packaging Type: Box
2008LexusRX400h—Left Upper MainHVAC Blend Door Actuator for mode selection in box packaging.
2007LexusRX350—MainMode; Evaporator Housing; Packaging Type: Box
2007LexusRX400h—Left Upper MainHVAC Blend Door Actuator for mode selection in box packaging.
2007ToyotaHighlander—MainHVAC Blend Door Actuator for mode selection in box packaging.
2006LexusRX330—MainHVAC Blend Door Actuator for mode selection in box packaging.
2006LexusRX400h—Left Upper MainHVAC Blend Door Actuator for mode selection in box packaging.
2006ToyotaHighlander—MainHVAC Blend Door Actuator for mode selection in box packaging.
2005LexusRX330—MainHVAC Blend Door Actuator for mode selection in box packaging.
2005ToyotaHighlander—MainHVAC Blend Door Actuator for mode selection in box packaging.
2004LexusRX330—MainHVAC Blend Door Actuator for mode selection in box packaging.
2004ToyotaAvalonXLSMainHVAC Blend Door Actuator for mode selection in box packaging.
2004ToyotaHighlander—MainHVAC Blend Door Actuator for mode selection in box packaging.
2003ToyotaAvalonXLSMainHVAC Blend Door Actuator for mode selection in box packaging.
2002ToyotaAvalonXLSMainHVAC Blend Door Actuator for mode selection in box packaging.
2001ToyotaAvalonXLSMainHVAC Blend Door Actuator for mode selection in box packaging.
2000ToyotaAvalonXLSMainHVAC Blend Door Actuator for mode selection in box packaging.
1999ToyotaAvalonXLSMainHVAC Blend Door Actuator for mode selection in box packaging.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
8710607060APBDA0324