Dorman 740-678 Window Regulator - Rear Right

Reliable Window Regulator for Ford and Mercury Vehicles

The Dorman 740-678 window regulator is designed for electric window operation in select Ford and Mercury models. This power 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 740-678 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 materials for strength and flexibility
• Plastic gear material designed for reliable performance
• Does not include motor or mounting hardware
• Package contains one power regulator unit

Detailed Product Description

The Dorman 740-678 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 durability with lightweight design. The plastic gear material ensures consistent operation without excessive wear. Designed with a bolt-on attachment type, this regulator simplifies the installation process, although mounting hardware and motor are not included. This part is ideal for those looking to restore proper window function without replacing the entire motor assembly.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or non-functioning electric window operation
• Grinding or unusual noises during window movement
• Loose or unstable window glass within the door frame
• Wear or damage to the window regulator gear or frame

Installation Notes and Tips

• Ensure compatibility with Ford Crown Victoria, Mercury Grand Marquis, or Mercury Marauder before installation
• Requires bolt-on attachment; verify that mounting hardware is available or reused from the original part
• Motor is not included; confirm motor functionality or replacement separately if needed
• Installation instructions are not included; professional installation or reference to vehicle service manual is recommended

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 durable materials to provide reliable service. Please consult the product packaging or Dorman’s official resources for specific warranty details related to part number 740-678.