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Dorman 604-901 HVAC Blend Door Actuator - Left Upper Main or MainOE Quality 60-Day Returns
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Part #: 604-901

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

Main
⚙️ 19 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$131.28Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus and Toyota, RX350, RX400h, Highlander, RX330, and Avalon
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Overview of Dorman 604-901 HVAC Blend Door Actuator

The Dorman 604-901 HVAC Blend Door Actuator is designed to provide reliable control of airflow temperature in select Lexus and Toyota vehicles. This rotary switch actuator is constructed from durable plastic, ensuring consistent performance in your vehicle's HVAC system.

  • Rotary switch activation type for precise airflow control
  • Durable plastic construction for long-lasting use
  • Includes one air door actuator per package
  • Compatible with Lexus Avalon, Highlander, RX330, RX350, and RX400h models
  • OEM part number 604-901 for accurate replacement

Detailed Product Description

The Dorman 604-901 HVAC Blend Door Actuator operates the blend door within the heating, ventilation, and air conditioning system to regulate the mix of hot and cold air. Its rotary switch activation type allows for smooth and accurate adjustments, maintaining the desired cabin temperature. Made from high-quality plastic, this actuator withstands the thermal and mechanical stresses typical in automotive HVAC systems. This part is specifically engineered to fit Lexus Avalon, Highlander, RX330, RX350, and RX400h models, ensuring proper fit and function.

Common Applications and Issues Resolved

  • Restores proper temperature control when blend door fails to adjust airflow
  • Eliminates inconsistent cabin heating or cooling
  • Resolves HVAC system noises caused by faulty actuators
  • Fixes issues with air not switching between vents correctly
  • Addresses error codes related to blend door actuator malfunction

Installation Notes and Tips

  • Ensure vehicle compatibility with Lexus Avalon, Highlander, RX330, RX350, or RX400h before installation
  • Disconnect the battery prior to replacement to avoid electrical issues
  • Carefully remove the old actuator to prevent damage to surrounding HVAC components
  • Verify actuator calibration after installation for optimal performance

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 604-901 HVAC Blend Door Actuator undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandDorman
Part Number604-901
MaterialPlastic
Package Contents1 Air Door Actuator
Switch Activation TypeRotary

This part fits 19 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2009LexusRX350MainMode; Evaporator Housing; Packaging Type: Box
2008LexusRX350MainMode; Evaporator Housing; Packaging Type: Box
2008LexusRX400hLeft Upper MainHVAC Blend Door Actuator for mode selection in box packaging.
2007LexusRX350MainMode; Evaporator Housing; Packaging Type: Box
2007LexusRX400hLeft Upper MainHVAC Blend Door Actuator for mode selection in box packaging.
2007ToyotaHighlanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2006LexusRX330MainHVAC Blend Door Actuator for mode selection in box packaging.
2006LexusRX400hLeft Upper MainHVAC Blend Door Actuator for mode selection in box packaging.
2006ToyotaHighlanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2005LexusRX330MainHVAC Blend Door Actuator for mode selection in box packaging.
2005ToyotaHighlanderMainHVAC Blend Door Actuator for mode selection in box packaging.
2004LexusRX330MainHVAC Blend Door Actuator for mode selection in box packaging.
2004ToyotaAvalonXLSMainHVAC Blend Door Actuator for mode selection in box packaging.
2004ToyotaHighlanderMainHVAC 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.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8710607060APBDA0324

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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