Dorman 740-679 Window Regulator - Rear Left

Reliable Window Regulator for Ford and Mercury Vehicles

The Dorman 740-679 window regulator is designed for electric window operation in select Ford and Mercury models. This power window regulator offers a bolt-on attachment type and is engineered to meet the specific needs of Crown Victoria, Grand Marquis, and Marauder vehicles.

Key Features of Dorman 740-679 Window Regulator

• Compatible with Ford Crown Victoria, Mercury Grand Marquis, and Mercury Marauder
• Electric window operation type for smooth functionality
• Bolt-on attachment for straightforward installation
• Durable metal and plastic frame construction
• Plastic gear material designed for reliable performance
• Does not include motor or mounting hardware
• Package contains one power window regulator

Detailed Product Description

The Dorman 740-679 window regulator is a replacement part specifically engineered for electric window systems in Ford Crown Victoria, Mercury Grand Marquis, and Mercury Marauder models. Featuring a combination of metal and plastic frame materials, this regulator balances strength and weight. The plastic gear material is designed to provide consistent operation while reducing wear. This part uses a bolt-on attachment type, allowing for a secure fit without the need for additional mounting hardware, which is not included. Note that the motor is not part of this assembly, so it is intended for use with existing or separately purchased motors.

Common Applications and Issues Addressed

• Restores electric window functionality in Ford Crown Victoria and Mercury Grand Marquis
• Replaces worn or broken window regulators causing window misalignment or failure
• Solves issues with window sticking or slow movement in Mercury Marauder models
• Addresses rattling or noise from faulty window regulator gears
• Provides a reliable replacement for damaged regulator frames

Installation Notes and Tips

Installation of the Dorman 740-679 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, ensure compatibility with your vehicle’s existing components before installation. The bolt-on attachment type simplifies securing the regulator to the door frame. Professional installation is recommended if unfamiliar with vehicle door assemblies. Installation instructions are not included with this part.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-679 window regulator undergoes quality checks to ensure durability and reliable operation in Ford and Mercury vehicles. Warranty coverage details should be confirmed at the point of purchase or through Dorman’s official channels.