Dorman 741-389 Power Window Motor and Regulator Assembly - Rear Right

Reliable Window Motor and Regulator Assembly for Chevrolet and GMC Trucks

The Dorman 741-389 window motor and regulator assembly is designed to restore smooth window operation in select Chevrolet and GMC trucks. Engineered with a plastic gear and bolt attachment type, this assembly provides a direct replacement for your vehicle's worn or damaged window regulator system.

• Includes both window motor and regulator for complete replacement
• Plastic gear material designed for durability and consistent performance
• Bolt attachment type for secure mounting
• Compatible with Chevrolet Cheyenne, GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Silverado 1500, Silverado 2500, Silverado 2500 HD, and Silverado 3500 HD models
• Mounting hardware and installation instructions not included

Product Details and Specifications

The Dorman 741-389 assembly features a plastic gear that balances strength and wear resistance, suitable for the window systems in heavy-duty trucks. The bolt attachment type ensures a firm and stable installation, maintaining proper alignment and function of the window regulator. This assembly includes the regulator component, eliminating the need to source parts separately. While mounting hardware and installation instructions are not included, the design matches OEM specifications for a straightforward replacement process.

Compatible Vehicles and Applications

This window motor and regulator assembly is compatible with a range of Chevrolet and GMC trucks, including the Chevrolet Cheyenne and multiple Sierra and Silverado models. Specifically, it fits the GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, as well as the Chevrolet Silverado 1500, Silverado 2500, Silverado 2500 HD, and Silverado 3500 HD. Using the correct part number 741-389 ensures proper fitment and function for these vehicles.

Common Issues Addressed by This Assembly

• Window fails to move up or down smoothly
• Intermittent or no power to the window motor
• Grinding or unusual noises during window operation
• Window stuck in one position
• Worn or broken window regulator components

Installation Notes and Tips

Installation 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 recommended to have basic mechanical knowledge or consult a professional. Verify the part number 741-389 matches your vehicle’s requirements before installation. Use appropriate tools to avoid damage to the plastic gear and ensure secure bolt attachment.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 741-389 window motor and regulator assembly undergoes quality checks to ensure reliable operation. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.