Dorman 748-228 Power Window Motor and Regulator Assembly - Rear Left

Reliable Window Motor and Regulator Assembly for GM SUVs

The Dorman 748-228 window motor and regulator assembly is designed to restore smooth window operation in select Cadillac, Chevrolet, and GMC SUVs. Engineered with a plastic gear and bolt attachment type, this assembly provides a direct replacement for your vehicle's power window system.

• Includes both window motor and regulator for complete replacement
• Plastic gear material designed for durability and quiet operation
• Bolt attachment type for secure mounting
• Compatible with Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models
• Package contains one regulator and motor assembly

Product Details and Specifications

The Dorman 748-228 assembly features a plastic gear that balances strength and noise reduction, ensuring reliable window movement. The bolt attachment type allows for a firm and stable installation, although mounting hardware and installation instructions are not included. This assembly is not micro-controlled and does not contain embedded logic, making it a straightforward mechanical replacement part. It is specifically designed to fit the power window systems of Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon vehicles, providing a compatible and functional solution for window regulator failures.

Common Applications and Problem Resolution

This window motor and regulator assembly is used to address issues such as:

• Power window failure or slow window movement
• Window stuck in the up or down position
• Grinding or unusual noises during window operation
• Broken or worn window regulator components
• Intermittent window motor function

Installation Notes and Tips

Installation requires removal of the door panel and disconnection of the existing window motor and regulator. Since mounting hardware and installation instructions are not included, having the appropriate tools and experience is recommended. Ensure the bolt attachment points align correctly and test window operation before reassembling the door panel. Proper handling of the plastic gear is advised to avoid damage during installation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While specific warranty details for part number 748-228 are not provided here, Dorman typically offers limited warranties on their replacement components. Verify warranty coverage with the product documentation or supplier at the time of purchase.