Dorman 740-682 Window Regulator - Front Left

Overview of Dorman 740-682 Window Regulator

The Dorman 740-682 window regulator is designed for electric window operation in select Buick, Oldsmobile, and Pontiac models. This power window regulator provides reliable functionality for vehicles including the Buick Skylark, Oldsmobile Achieva, and Pontiac Grand Am.

• Compatible with Buick Achieva, Oldsmobile Achieva, Pontiac Grand Am, and Buick Skylark
• 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

This window regulator features a combination of metal and plastic frame materials, providing a balance of strength and lightweight design. The gear mechanism is made of plastic, which helps reduce noise and wear during window operation. The regulator is designed for electric window systems but does not include the motor, allowing for replacement of the regulator component only. Installation is secured via bolt-on attachment, ensuring a firm fit within the door assembly. Note that mounting hardware and installation instructions are not included in the package.

Compatible Vehicles and Applications

The Dorman 740-682 window regulator is compatible with the following vehicles:

• Buick Achieva
• Oldsmobile Achieva
• Pontiac Grand Am
• Buick Skylark

This part is intended for use in electric window systems on these specific models, providing a direct replacement for worn or damaged window regulators.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete window operation failure
• Grinding or unusual noises during window movement
• Loose or unstable window glass within the door frame
• Broken or worn gear components affecting window function

Installation Notes and Tips

Installation requires removal of the door panel and careful handling of the window glass. Since mounting hardware and motor are not included, retain original components or source replacements as needed. The bolt-on attachment type simplifies securing the regulator to the door frame. Professional installation is recommended if unfamiliar with electric window systems.

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 engineered for durability with quality plastic gears and a robust frame. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.