Dorman 741-643 Power Window Motor and Regulator Assembly - Front Left

Reliable Window Motor and Regulator Assembly for Oldsmobile and Pontiac

The Dorman 741-643 window motor and regulator assembly is designed to restore smooth window operation in select Oldsmobile and Pontiac vehicles. Engineered with durable plastic gears and a bolt attachment type, this assembly provides a direct replacement for worn or damaged components.

• Compatible with Oldsmobile Alero and Pontiac Grand Am models
• Includes both window regulator and motor assembly for complete replacement
• Plastic gear material designed for consistent performance
• Bolt attachment type for secure mounting
• Mounting hardware and installation instructions not included

Product Details and Specifications

This window motor and regulator assembly (part number 741-643) features a plastic gear mechanism that balances durability with smooth operation. The bolt attachment type ensures a secure fit within the door frame, maintaining proper alignment and function. While mounting hardware and installation instructions are not included, the assembly is designed to match factory specifications for the Oldsmobile Alero and Pontiac Grand Am models, providing a reliable replacement option.

Common Applications and Problem Resolution

This assembly is used to replace faulty or non-functioning window regulators and motors in compatible vehicles. It addresses several common issues, including:

• Windows that fail to move up or down
• Intermittent or slow window operation
• Grinding or unusual noises during window movement
• Loose or misaligned window glass
• Complete window motor failure

Installation Notes and Tips

Installation requires removal of the door panel and disconnection of the existing window motor and regulator. Since mounting hardware and instructions are not included, it is recommended to have basic mechanical knowledge or consult a professional. Ensure all electrical connections are secure and test window operation before reassembling the door panel.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards. The 741-643 window motor and regulator assembly undergoes quality checks to ensure reliable performance. Please refer to Dorman's warranty policy for specific coverage details.