Dorman 741-690 Power Window Motor and Regulator Assembly - Front Left

Reliable Window Motor and Regulator Assembly for Select GM and Isuzu Models

The Dorman 741-690 window motor and regulator assembly is designed to restore smooth and consistent window operation in various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Engineered with a plastic gear and bolt attachment type, this assembly provides a direct replacement for worn or damaged window regulators.

• Includes both window motor and regulator for complete replacement
• Durable plastic gear material designed for reliable performance
• Bolt attachment type ensures secure mounting
• Compatible with multiple GM and Isuzu models including Trailblazer, Envoy, and Ascender
• Does not include mounting hardware or installation instructions

Product Features and Specifications

The Dorman 741-690 assembly features a plastic gear that balances durability with smooth operation. The bolt attachment type allows for a secure fitment in the window frame, ensuring the regulator stays firmly in place during use. 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 vehicles, including Buick Rainier, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, Oldsmobile Bravada, and Saab 9-7x. The part number 741-690 is specifically designed to fit these models, providing a reliable solution for window operation issues.

Common Issues Addressed by This Assembly

• Window fails to move up or down smoothly
• Intermittent or no response from power window switch
• Grinding or unusual noises when operating the window
• Window stuck in one position due to regulator failure
• Loose or unstable window glass movement

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. Use the bolt attachment points to secure the assembly firmly. Testing window operation before reassembling the door panel can help ensure proper installation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 741-690 window motor and regulator assembly undergoes quality checks to ensure reliable performance. While mounting hardware and instructions are not provided, the part is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use.