Dorman 749-646 Window Regulator - Front Right

Overview of Dorman Window Regulator for Land Rover Discovery

The Dorman 749-646 window regulator is designed specifically for Land Rover Discovery models requiring an electric window operation. This power window regulator offers a reliable replacement option with a bolt-on attachment type and includes installation instructions for ease of use.

• Compatible with Land Rover Discovery electric windows
• Durable metal and plastic frame construction
• Plastic gear material for smooth operation
• Bolt-on attachment type for straightforward installation
• Installation instructions included
• Motor not included, designed for use with existing motor
• Mounting hardware not included

Product Details and Specifications

The Dorman 749-646 window regulator features a combination of metal and plastic frame materials, providing a balance of strength and lightweight design. The gear mechanism is made of plastic, which helps reduce noise and wear during window operation. This part is intended for electric window systems and does not include a motor, making it suitable for replacing the regulator component only. The bolt-on attachment type ensures compatibility with factory mounting points on Land Rover Discovery vehicles. While mounting hardware is not included, the package contains one power regulator and detailed installation instructions to assist with the replacement process.

Common Applications and Problem Resolution

This window regulator is used to restore proper window function in Land Rover Discovery vehicles experiencing issues such as:

• Window glass failing to move up or down smoothly
• Window becoming stuck in one position
• Grinding or unusual noises during window operation
• Loose or unstable window glass movement
• Non-responsive electric window controls due to regulator failure

Installation Notes and Tips

Installation of the Dorman 749-646 window regulator requires removal of the door panel and disconnection of the existing regulator. Since the motor is not included, ensure the existing motor is compatible and in good working condition before installation. Use the included installation instructions for step-by-step guidance. Note that mounting hardware is not provided, so retain original bolts or source replacements as needed. Proper alignment during installation is critical to avoid window binding or operational issues.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 749-646 window regulator undergoes quality checks to ensure durability and reliable performance in Land Rover Discovery vehicles. Installation instructions are included to support proper setup. Warranty coverage details should be confirmed through the product documentation or supplier, as it may vary.