Dorman 740-646 Window Regulator - Front Right

Reliable Window Regulator for Pontiac Grand Prix

The Dorman 740-646 window regulator is designed specifically for Pontiac Grand Prix models, providing a durable and efficient solution for electric window operation. This power window regulator offers a bolt-on attachment type and a combination of metal and plastic frame materials to ensure a secure fit and reliable performance.

Key Features of Dorman 740-646 Window Regulator

• Compatible with Pontiac Grand Prix electric windows
• Durable plastic gear material for smooth operation
• Bolt-on attachment type for straightforward installation
• Frame constructed from both metal and plastic for strength and flexibility
• Includes one power regulator unit without motor or mounting hardware

Detailed Product Description

The Dorman 740-646 window regulator is engineered to replace the electric window regulator in Pontiac Grand Prix vehicles. Featuring a plastic gear mechanism, this part ensures quiet and consistent window movement. The frame combines metal and plastic components to balance durability with weight reduction. This regulator is designed for bolt-on installation, making it compatible with factory mounting points. Note that the motor and mounting hardware are not included, allowing for replacement of the regulator assembly itself without unnecessary parts.

Common Issues Addressed by This Window Regulator

• Electric window failing to move up or down smoothly
• Window stuck in one position due to worn or broken regulator gears
• Excessive noise during window operation caused by damaged regulator components
• Loose or misaligned window movement resulting from a faulty regulator frame
• Intermittent window function due to regulator wear

Installation Notes and Tips

Installation of the Dorman 740-646 window regulator requires removal of the door panel and disconnection of the window motor if present. Since mounting hardware and motor are not included, retain original components or source separately if needed. The bolt-on attachment type aligns with factory mounting points for a secure fit. Professional installation is recommended to ensure proper alignment and function.

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 robust frame to provide reliable service. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.