Dorman 740-643 Window Regulator - Front Left

Overview of Dorman Window Regulator 740-643

The Dorman 740-643 window regulator is designed for electric window operation in select Oldsmobile and Pontiac vehicles. This power window regulator provides reliable functionality for models including the Oldsmobile Alero and Pontiac Grand Am.

• Compatible with Oldsmobile Alero and Pontiac Grand Am
• Electric window operation type
• Durable metal and plastic frame construction
• Plastic gear material for smooth movement
• Bolt-on attachment type for secure installation
• Does not include motor or mounting hardware
• Package contains one power window regulator

Product Features and Specifications

The Dorman 740-643 window regulator features a combination of metal and plastic frame materials, ensuring a balance between strength and weight. The gear mechanism is made of plastic, which supports smooth and quiet window movement. This part is designed for electric window systems and requires a separate motor, as it is not included. The bolt-on attachment type allows for a straightforward installation process, although mounting hardware and installation instructions are not provided in the package.

Compatible Vehicles and Application

This window regulator is specifically compatible with the Oldsmobile Alero and Pontiac Grand Am models. It is intended for use in electric window systems where the original regulator has failed or is malfunctioning. Using the Dorman 740-643 ensures proper window operation and restores functionality to the vehicle's door assembly.

• Replaces faulty or broken window regulators in Oldsmobile Alero
• Restores electric window function in Pontiac Grand Am
• Eliminates window sticking or failure to move
• Addresses issues with window alignment and stability
• Prevents window from falling inside the door panel

Installation Notes and Tips

Installation of the Dorman 740-643 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and installation instructions are not included, it is recommended to have basic mechanical knowledge or consult a professional installer. Ensure the power window motor is compatible and functioning properly before installation, as this regulator does not include a motor.

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 at the time of purchase, as they may vary by distributor or retailer.