Dorman 740-325 Window Regulator - Front Right

Overview of Dorman 740-325 Window Regulator for Lexus Models

The Dorman 740-325 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 control without the motor included.

• Compatible with Lexus ES300, RX330, RX350, RX400h
• Electric window operation type
• Gear material constructed from durable plastic
• Frame made from a combination of metal and plastic for strength and flexibility
• Bolt-on attachment type for secure installation
• Includes one power regulator unit
• No motor or mounting hardware included
• No installation instructions included

Detailed Product Description

The Dorman 740-325 window regulator is engineered to restore smooth and consistent window movement in Lexus ES300, RX330, RX350, and RX400h vehicles. Featuring a plastic gear mechanism, this regulator balances durability with quiet operation. The frame combines metal and plastic components to provide structural integrity while reducing weight. Designed for electric window systems, this part requires a separate motor, making it ideal for repairs where the motor remains functional. The bolt-on attachment type ensures a secure fit within the door assembly, maintaining factory specifications.

Common Applications and Issues Addressed

• Resolves window sticking or failure to move up and down
• Replaces worn or broken plastic gears causing window misalignment
• Fixes rattling or loose window movement due to damaged frame components
• Restores electric window functionality without replacing the motor
• Addresses bolt-on attachment points that have become stripped or damaged

Installation Notes and Tips

Installation of the Dorman 740-325 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and installation instructions are not included, it is recommended to retain original hardware or source compatible bolts. Professional installation is advised to ensure proper alignment and secure attachment. Verify the motor compatibility before installation, as this regulator does not include a motor unit.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this window regulator does not include a motor or mounting hardware, it is built with quality plastic gears and a robust metal/plastic frame to ensure durability. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.