Dorman 740-692 Window Regulator - Front Left

Reliable Window Regulator for Select GM Minivans

The Dorman 740-692 window regulator is designed for electric window operation in various GM minivan models. Engineered with durable materials, this part ensures smooth window movement and long-lasting performance for your Buick Montana, Chevrolet Uplander, or Pontiac Trans Sport.

Key Features of the Dorman 740-692 Window Regulator

• Gear material constructed from plastic for consistent operation
• Frame made of both metal and plastic components for strength and flexibility
• Bolt-on attachment type for secure and straightforward installation
• Electric window operation compatible with factory power systems
• Includes one power regulator unit without motor or mounting hardware

Detailed Product Description

This Dorman window regulator (part number 740-692) is specifically designed for electric window systems in select Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn minivans, including models such as the Montana, Relay, Silhouette, Terraza, Trans Sport, and Uplander. The combination of plastic gears and a metal/plastic frame provides a balance of durability and lightweight construction. The bolt-on attachment type allows for a secure fit without the need for additional mounting hardware, which is not included. Note that this regulator does not come with a motor or installation instructions, so professional installation or prior experience is recommended.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete loss of electric window function
• Grinding or clicking noises during window operation
• Window becoming stuck in one position
• Worn or broken regulator gears causing window misalignment

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model before installation
• Requires removal of the door panel to access the regulator assembly
• Use appropriate tools for bolt-on attachment to avoid damage
• Since mounting hardware and motor are not included, reuse existing components if in good condition
• Professional installation is recommended if unfamiliar with electric window systems

Quality Assurance and Warranty Information

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 sturdy frame to ensure reliable operation. Please refer to Dorman’s warranty policy for specific coverage details related to part number 740-692.