Dorman 749-170 Window Regulator - Rear Left

Reliable Window Regulator for Lexus LS400

The Dorman 749-170 window regulator is designed specifically for Lexus LS400 models, providing a durable and efficient solution for electric window operation. This power window regulator ensures smooth and consistent window movement without the need for a motor.

• Gear material constructed from durable plastic for smooth operation
• Bolt-on attachment type for secure and straightforward installation
• Frame made from a combination of metal and plastic for strength and flexibility
• Electric window operation compatible with factory motor setups
• Includes installation instructions for ease of replacement
• Package contains one power window regulator unit

Product Details and Specifications

The Dorman 749-170 window regulator is engineered with a plastic gear that meshes precisely to provide reliable window movement. Its frame combines metal and plastic components to balance durability and weight, ensuring long-lasting performance in your Lexus LS400. This part is designed as a bolt-on replacement, making it compatible with the original mounting points on your vehicle. While the regulator does not include a motor, it is intended for use with the existing electric motor system in your Lexus LS400. Installation instructions are included to assist with proper fitting and alignment.

Common Applications and Problem Resolution

• Replaces faulty or worn-out window regulators causing window misalignment or jamming
• Restores smooth electric window operation in Lexus LS400 models
• Addresses issues with window movement that is slow or non-responsive
• Eliminates rattling or loose window glass due to regulator failure
• Provides a direct-fit replacement for damaged or broken window regulator assemblies

Installation Notes and Tips

Installation of the Dorman 749-170 window regulator requires removal of the door panel to access the window assembly. Since mounting hardware is not included, retain original bolts and fasteners for reinstallation. Follow the included instructions carefully to ensure proper alignment of the regulator and window glass. Verify that the electric motor is functioning correctly before completing installation, as this regulator does not come with a motor.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 749-170 window regulator undergoes quality checks to ensure durability and reliable performance in Lexus LS400 vehicles. Installation instructions are provided to support proper replacement. Please refer to Dorman's warranty policy for specific coverage details.