Dorman 749-557 Window Regulator - Rear Right

Reliable Window Regulator for Ford Expedition and Lincoln Navigator

The Dorman 749-557 window regulator is designed to restore smooth electric window operation in select Ford and Lincoln SUVs. Engineered with durable materials, this power window regulator is compatible with Ford Expedition and Lincoln Navigator models, providing a direct replacement for your vehicle's faulty regulator.

Key Features of the Dorman 749-557 Window Regulator

• Gear material constructed from durable plastic for consistent performance
• Bolt-on attachment type ensures secure and straightforward installation
• Metal and plastic frame materials for balanced strength and flexibility
• Electric window operation type designed for power window systems
• Includes one power regulator unit without motor or mounting hardware

Detailed Product Description

The Dorman 749-557 window regulator is a power window component engineered specifically for electric window systems in Ford Expedition and Lincoln Navigator vehicles. Featuring a plastic gear mechanism paired with a combination of metal and plastic frame materials, this regulator balances durability with lightweight design. The bolt-on attachment type allows for a secure fit without the need for additional mounting hardware, which is not included. Note that this part does not include a motor or installation instructions, making it ideal for users who have the original motor intact or prefer professional installation.

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
• Unusual noises during window operation caused by faulty regulator components
• Loose or misaligned window glass resulting from damaged regulator frame
• Intermittent window functionality in Ford Expedition or Lincoln Navigator models

Installation Notes and Tips

• Designed for bolt-on installation; ensure proper alignment before tightening bolts
• Mounting hardware is not included; reuse existing hardware or acquire separately
• Motor is not included; verify compatibility with your existing motor before installation
• Professional installation is recommended if you lack experience with power window systems
• Check window operation after installation to confirm proper 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 sturdy frame to ensure reliable operation. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.