Dorman 741-890 Power Window Motor and Regulator Assembly - Rear Left

Reliable Window Motor and Regulator Assembly for Chevrolet, GMC, and Isuzu

The Dorman 741-890 window motor and regulator assembly is designed to restore smooth window operation for select Chevrolet, GMC, and Isuzu models. Engineered with a plastic gear and bolt attachment type, this assembly provides a direct replacement for faulty or worn components in 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 and stable mounting
• Compatible with Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy XL, Envoy XUV, and Isuzu Ascender
• Does not include mounting hardware or installation instructions

Product Details and Specifications

The Dorman 741-890 assembly features a plastic gear that balances strength and noise reduction, ensuring reliable window movement. The bolt attachment type allows for a firm installation, maintaining proper alignment and function. This assembly comes with the regulator included, providing a comprehensive solution for power window failures. While mounting hardware and installation instructions are not included, the part is designed to match OEM specifications for a straightforward replacement process.

Compatible Vehicles and Applications

This window motor and regulator assembly is compatible with the following vehicles:

• Chevrolet Trailblazer
• Chevrolet Trailblazer EXT
• GMC Envoy XL
• GMC Envoy XUV
• Isuzu Ascender

Use this part to address common power window issues such as slow or non-responsive window movement, window stuck in one position, or unusual noises during operation.

Common Issues Resolved by This Assembly

• Power window motor failure causing windows not to move
• Regulator malfunction leading to window misalignment or jamming
• Grinding or clicking noises from worn plastic gears
• Loose or unstable window operation due to faulty attachment
• Intermittent window movement or electrical connection problems

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. Ensure all bolts are securely tightened to prevent window misalignment. Testing window operation before reassembling the door panel can help verify proper installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 741-890 window motor and regulator assembly undergoes quality checks to ensure reliable performance. Please refer to Dorman's warranty policy for specific coverage details.