Dorman 740-330 Window Regulator - Front Left

Reliable Window Regulator for Lexus LS430

The Dorman 740-330 window regulator is designed specifically for Lexus LS430 models, providing dependable electric window operation. This power regulator offers a bolt-on attachment for straightforward installation and is engineered with durable materials to ensure consistent performance.

Key Features of Dorman 740-330 Window Regulator

• Compatible with Lexus LS430 electric window systems
• Gear constructed from plastic for smooth operation
• Frame made from a combination of metal and plastic for strength and durability
• Bolt-on attachment type for secure mounting
• Does not include motor or mounting hardware
• Package contains one power window regulator unit

Detailed Product Description

The Dorman 740-330 window regulator is engineered to restore proper window function in Lexus LS430 vehicles. Featuring a plastic gear and a hybrid metal-plastic frame, this regulator balances durability with smooth mechanical movement. Designed for electric window operation, it fits directly into the existing door assembly using a bolt-on attachment method. While the motor and mounting hardware are not included, the regulator itself is built to OEM specifications to ensure compatibility and reliable performance.

Common Applications and Problem Resolution

• Replaces faulty or worn window regulators causing window misalignment or jamming
• Restores smooth electric window movement in Lexus LS430 doors
• Addresses issues with window dropping or failing to stay in position
• Solves problems related to broken or stripped plastic gears within the regulator
• Provides a durable frame solution to prevent regulator bending or warping

Installation Notes and Tips

Installation of the Dorman 740-330 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, reuse of original components is necessary. The bolt-on attachment type simplifies alignment and securing of the regulator within the door frame. It is recommended to verify window operation before reassembling the door panel. Professional installation is advised if unfamiliar with vehicle door components.

Quality Assurance and Warranty

Dorman window regulators are manufactured to meet or exceed OEM standards for fit and function. Although this part does not include a motor or mounting hardware, it is constructed with quality plastic gears and a robust metal-plastic frame to ensure long service life. Warranty coverage details should be confirmed at the point of purchase.