HomeBody > DoorsDorman 740-324 Window Regulator - Front Left
Part #: 740-324

Dorman 740-324 Window Regulator - Front Left

Front Left
⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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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, RX350, RX400h, RX330, and ES300
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Overview of Dorman 740-324 Window Regulator for Lexus Models

The Dorman 740-324 window regulator is designed for electric window operation in select Lexus vehicles. This replacement part is compatible with Lexus ES300, RX330, RX350, and RX400h models, providing reliable window movement without the motor included.

  • Compatible with Lexus ES300, RX330, RX350, RX400h
  • Electric window operation type
  • Durable metal and plastic frame construction
  • Plastic gear material for smooth gear engagement
  • Bolt-on attachment type for secure installation
  • Includes one power regulator without motor or mounting hardware

Detailed Product Description

The Dorman 740-324 window regulator is engineered with a combination of metal and plastic frame materials to balance strength and weight. Its plastic gear material ensures smooth and quiet operation of the window mechanism. Designed specifically for electric window systems, this regulator does not include a motor, making it ideal for replacing the regulator assembly only. The bolt-on attachment type allows for a straightforward installation process, although mounting hardware and installation instructions are not included. This part is a direct replacement for the window regulator in Lexus ES300, RX330, RX350, and RX400h models, ensuring compatibility and proper fitment.

Common Applications and Issues Addressed

  • Restores proper window movement in Lexus ES300 and RX series vehicles
  • Replaces worn or damaged window regulators causing window misalignment
  • Eliminates window sticking or failure to stay in position
  • Addresses issues with electric window operation without motor failure
  • Provides a solution for broken or stripped plastic gears in the regulator

Installation Notes and Tips

  • Installation requires removal of the door panel and disconnection of the window motor
  • Since mounting hardware and instructions are not included, retain original hardware or source separately
  • Ensure proper alignment of the regulator before securing bolts to avoid window binding
  • Test window operation before reassembling the door panel

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 740-324 window regulator undergoes quality checks to ensure durability and reliable performance in Lexus ES300, RX330, RX350, and RX400h vehicles. Warranty coverage details can be obtained from the product packaging or Dorman's official resources.

BrandDorman
Part Number740-324
Attachment TypeBolt On
Frame MaterialMetal
Frame MaterialPlastic
Installation Instructions IncludedNo
Motor IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Power Regulator
Thread DirectionPlastic
Window Operation TypeElectric
Wire Quantity0

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2009LexusRX350Front LeftFits power window regulation in various vehicle models.
2008LexusRX350Front LeftFits power window regulation in various vehicle models.
2008LexusRX400hFront LeftFits power window regulation in various vehicle models.
2007LexusRX350Front LeftFits power window regulation in various vehicle models.
2007LexusRX400hFront LeftFits power window regulation in various vehicle models.
2006LexusRX330Front LeftFits power window regulation in various vehicle models.
2006LexusRX400hFront LeftFits power window regulation in various vehicle models.
2005LexusRX330Front LeftFits power window regulation in various vehicle models.
2004LexusRX330Front LeftFits power window regulation in various vehicle models.
2003LexusES300Front LeftFits power window regulation in various vehicle models.
2002LexusES300Front LeftFits power window regulation in various vehicle models.

* 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:

11R5993893266553-1604L698020E010REPL462916WLR1121WR51198

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