Dorman 740-877 Window Regulator - Front Right

Reliable Window Regulator for Jaguar LS and Lincoln S-Type

The Dorman 740-877 window regulator is designed for electric window operation in select Jaguar LS and Lincoln S-Type models. This bolt-on replacement part features a durable metal and plastic frame construction to ensure consistent performance without the need for a motor.

Key Features of Dorman 740-877 Window Regulator

• Gear material constructed from plastic for smooth operation
• Bolt-on attachment type for straightforward installation
• Frame made from a combination of metal and plastic for strength and durability
• Electric window operation compatible, motor not included
• Package includes one power regulator unit

Detailed Product Description

The Dorman 740-877 window regulator is engineered specifically for electric window systems in Jaguar LS and Lincoln S-Type vehicles. Its plastic gear material reduces friction and wear, while the metal and plastic frame provides a balanced structure that supports reliable window movement. This part is designed as a bolt-on replacement, simplifying the installation process by aligning with factory mounting points. Note that this regulator does not include a motor or mounting hardware, and installation instructions are not provided, so professional installation or prior experience is recommended.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete window operation failure in Jaguar LS or Lincoln S-Type
• Worn or damaged window regulator gears causing noise or binding
• Broken or bent regulator frame affecting window alignment
• Replacement needed due to regulator wear without motor failure

Installation Notes and Tips

• Ensure compatibility with Jaguar LS and Lincoln S-Type models before installation
• Use appropriate tools for bolt-on attachment to avoid damage
• Since mounting hardware and motor are not included, retain original components or source separately
• Professional installation is recommended if unfamiliar with electric window systems

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