Dorman 740-557 Window Regulator - Front Right

Reliable Window Regulator for Jeep Grand Cherokee

The Dorman 740-557 window regulator is designed specifically for Jeep Grand Cherokee models, providing dependable electric window operation. This power regulator offers a bolt-on attachment type and features a durable metal and plastic frame construction for long-lasting performance.

• Compatible with Jeep Grand Cherokee electric windows
• Durable plastic gear material for smooth operation
• Bolt-on attachment type for straightforward installation
• Metal and plastic frame materials for strength and flexibility
• Includes one power regulator unit without motor or mounting hardware

Product Details and Specifications

The Dorman 740-557 window regulator is engineered to replace the electric window regulator in Jeep Grand Cherokee vehicles. It features a plastic gear that ensures smooth and quiet window movement. The frame combines metal and plastic components to balance durability and weight. This part is designed for bolt-on installation, simplifying the replacement process. Note that the motor and mounting hardware are not included, and installation instructions are not provided with this unit.

Common Applications and Problem Resolution

This window regulator is used to restore proper window function in Jeep Grand Cherokee models experiencing issues such as:

• Window glass failing to move up or down
• Intermittent or no response from the electric window switch
• Grinding or unusual noises during window operation
• Window glass becoming stuck or misaligned
• Broken or worn regulator gears causing window malfunction

Installation Notes and Tips

Installation of the Dorman 740-557 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, reuse of original components is necessary. Ensure the regulator is securely bolted in place and test window operation before reassembling the door panel. Professional installation is recommended if unfamiliar with vehicle door components.

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 quality materials such as plastic gears and a metal/plastic frame to ensure durability. Warranty coverage details should be confirmed at the point of purchase.