HomeElectrical, Lighting and Body > Glass, Windows and Related ComponentsDorman 742-620 Window Motor - Front Right, Rear Left or Rear Right
Part #: 742-620

Dorman 742-620 Window Motor - Front Right, Rear Left or Rear Right

Front Right, Rear Left, and Rear Right
51 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus and Toyota, Avalon, GX470, IS F, IS250, IS350, RX330, and RX350
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OE-Style Window Lift Motor Replacement

This Dorman window motor is engineered to match the fit and performance of the original unit in specific Toyota and Lexus applications. It is a direct replacement for a worn or failed power window lift motor in models such as the Toyota Avalon, Lexus GX470, and Lexus RX350.

  • Direct replacement window motor for select Toyota and Lexus vehicles
  • Precision-engineered for original fit and performance
  • Hardwired/plug-in design for application-specific connection styles
  • Includes window lift gear
  • Package contents: window lift motor
  • Interchanges with OE and aftermarket part numbers for cross-reference

Detailed Product Information

Dorman Part Number 742-620 is a power window lift motor replacement built for specific front right, rear left, and rear right applications. It is designed for vehicles including 2005-2012 Toyota Avalon, 2003-2009 Lexus GX470, 2007-2009 Lexus RX350, 2008 Lexus IS F, 2006-2008 Lexus IS250, 2006-2008 Lexus IS350, and 2004-2006 Lexus RX330. This part cross-references OE-style numbers such as 389073 and 857100E010 for the same application.

Use this Dorman 742-620 window motor when the original motor no longer operates the glass smoothly or consistently. It is intended for select Toyota Avalon window motor replacement needs, Lexus GX470 power window repair, and Lexus RX350 rear right or front right window motor service, depending on position.

Common Problems This Part Can Address

  • Window glass does not move when the switch is pressed
  • Slow, weak, or intermittent window operation
  • Grinding or binding from a worn lift motor
  • Window stops partway up or down
  • Motor failure after extended use

Installation Notes and Tips

Mounting hardware, wiring harness, and regulator are not included. Verify the vehicle position, connector style, and existing regulator condition before installation. Because this unit is hardwired/plug-in, compare the original electrical connection and window lift gear arrangement to confirm proper fitment on your Toyota Avalon or Lexus application.

Quality Assurance

Dorman manufactures this replacement motor to match original equipment fit and function for the listed applications. Confirm the part number 742-620 against the vehicle’s year, make, model, and window position before ordering.

BrandDorman
Part Number742-620
Regulator IncludedNo
Mounting Hardware IncludedNo
Wiring Harness IncludedNo
Hardwired or Plug InHardwired/plug-in
Micro-controlled (Embedded Logic)No
Package ContentsWindow lift motor
Window Lift Gear IncludedYes

This part fits 51 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2012ToyotaAvalonFront Right
2012ToyotaAvalonRear Left
2011ToyotaAvalonFront Right
2011ToyotaAvalonRear Left
2010ToyotaAvalonFront Right
2010ToyotaAvalonRear Left
2009LexusGX470Front Right
2009LexusGX470Rear Left
2009LexusRX350Front Right
2009LexusRX350Rear Right
2009ToyotaAvalonXLFront Right
2008LexusGX470Front Right
2008LexusGX470Rear Left
2008LexusIS FFront Right
2008LexusIS FRear Left
2008LexusIS250Front Right
2008LexusIS250Rear Left
2008LexusIS350Front Right
2008LexusIS350Rear Left
2008LexusRX350Front Right
2008LexusRX350Rear Right
2008ToyotaAvalonFront Right
2007LexusGX470Front Right
2007LexusGX470Rear Left
2007LexusIS250Front Right
2007LexusIS250Rear Left
2007LexusIS350Front Right
2007LexusIS350Rear Left
2007LexusRX350Front Right
2007LexusRX350Rear Right
2007ToyotaAvalonFront Right
2006LexusGX470Front Right
2006LexusGX470Rear Left
2006LexusIS250Front Right
2006LexusIS250Rear Left
2006LexusIS350Front Right
2006LexusIS350Rear Left
2006LexusRX330Front Right
2006LexusRX330Rear Right
2006ToyotaAvalonFront Right
2005LexusGX470Front Right
2005LexusGX470Rear Left
2005LexusRX330Front Right
2005LexusRX330Rear Right
2005ToyotaAvalonFront Right
2004LexusGX470Front Right
2004LexusGX470Rear Left
2004LexusRX330Front Right
2004LexusRX330Rear Right
2003LexusGX470Front Right
2003LexusGX470Rear Left

* 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:

38907347100208210020857100E010WLM2171

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