Dorman 748-112 Power Window Motor and Regulator Assembly - Rear Left

Reliable Window Motor and Regulator Assembly for Buick Lucerne

The Dorman 748-112 window motor and regulator assembly is designed specifically for Buick Lucerne models, providing a direct replacement for your vehicle's power window system. Engineered with durable plastic gears and a bolt attachment type, this assembly ensures smooth window operation without the need for embedded logic controls.

• Compatible with Buick Lucerne models
• Includes both window motor and regulator
• Durable plastic gear material for reliable performance
• Bolt attachment type for secure mounting
• Mounting hardware and installation instructions not included

Product Details and Specifications

This Dorman window motor and regulator assembly (part number 748-112) features a plastic gear mechanism designed to provide consistent and quiet window movement. The assembly includes the regulator, eliminating the need to source separate components. It uses a bolt attachment type for installation, ensuring a firm and stable fit within the door frame. Note that mounting hardware and installation instructions are not included, so prior experience or professional installation is recommended. The assembly does not include micro-controlled embedded logic, making it compatible with standard power window systems found in Buick Lucerne vehicles.

Common Applications and Problem Resolution

This window motor and regulator assembly is used to restore proper window function in Buick Lucerne vehicles experiencing issues such as:

• Window failing to move up or down
• Intermittent or slow window operation
• Grinding or unusual noises during window movement
• Window stuck in one position
• Broken or worn regulator components

Installation Notes and Tips

Installation of the Dorman 748-112 requires removal of the door panel and disconnection of the existing window motor and regulator. Since mounting hardware and instructions are not included, it is important to have the correct tools and mechanical knowledge. Ensure the bolt attachment points align properly and test window operation before reassembling the door panel. Professional installation is recommended if you are unfamiliar with power window systems.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this assembly does not include embedded logic controls, it is engineered for reliable performance in Buick Lucerne vehicles. Please consult Dorman's warranty policy for specific coverage details related to part number 748-112.