Dorman 749-978 Window Regulator - Rear Left

Reliable Window Regulator for Nissan Altima

The Dorman 749-978 window regulator is designed specifically for Nissan Altima models, providing dependable electric window operation. This power regulator ensures smooth and consistent window movement without the need for a motor, making it a practical replacement part for your vehicle.

Key Features of Dorman 749-978 Window Regulator

• Gear material constructed from durable plastic for reliable performance
• Bolt-on attachment type for secure and straightforward installation
• Frame made from a combination of metal and plastic for strength and flexibility
• Electric window operation type compatible with Nissan Altima power windows
• Includes one power regulator unit without motor or mounting hardware

Detailed Product Description

The Dorman 749-978 window regulator is engineered to meet the specific requirements of Nissan Altima vehicles. Featuring a plastic gear and a mixed metal and plastic frame, this part balances durability with lightweight design. The bolt-on attachment type allows for a secure fit without the need for additional mounting hardware, which is not included. This window regulator is designed for electric window systems and does not include a motor, making it ideal for replacing a faulty regulator while reusing the existing motor assembly.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete loss of electric window function
• Grinding or clicking noises during window operation
• Window stuck in a partially open or closed position
• Worn or broken regulator gears causing window misalignment

Installation Notes and Tips

Installation of the Dorman 749-978 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and installation instructions are not included, it is recommended to retain original hardware and consult a repair manual or professional guide specific to Nissan Altima models. The bolt-on design facilitates a secure fit, but proper alignment is essential to ensure smooth window operation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function for Nissan Altima vehicles. While this product does not include a motor or mounting hardware, it is backed by Dorman's quality control processes. Please refer to Dorman's official warranty policy for specific coverage details related to the 749-978 window regulator.