Dorman 749-480 Window Regulator - Front Left

Reliable Window Regulator for Lexus ES330

The Dorman 749-480 window regulator is designed specifically for the Lexus ES330, providing dependable electric window operation. This power window regulator offers a bolt-on attachment for straightforward installation and is engineered with durable materials to ensure consistent performance.

Key Features of Dorman 749-480 Window Regulator

• Compatible with Lexus ES330 models
• Electric window operation type for smooth control
• Bolt-on attachment type for secure mounting
• Frame constructed from a combination of metal and plastic for strength and durability
• Plastic gear material designed for reliable movement
• Does not include motor or mounting hardware
• Package contains one power window regulator

Detailed Product Description

The Dorman 749-480 window regulator is engineered to restore proper window function in the Lexus ES330. Featuring a metal and plastic frame, this regulator balances rigidity and weight to maintain structural integrity while minimizing wear. The plastic gear material ensures smooth engagement with the window mechanism, reducing noise and operational resistance. Designed for electric window systems, this part requires a compatible motor, which is not included. The bolt-on attachment type simplifies installation by aligning with factory mounting points, although mounting hardware and installation instructions are not provided.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or non-functional electric window operation
• Grinding or unusual noises during window movement
• Loose or unstable window glass alignment
• Broken or worn window regulator gears

Installation Notes and Tips

Installation of the Dorman 749-480 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, reuse existing components or acquire replacements as needed. Ensure the regulator is properly aligned with the window glass and securely bolted to the door frame. Testing window operation before reassembling the door panel is recommended to confirm correct installation.

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 durable materials to provide reliable service. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.