Dorman 740-039 Window Regulator - Rear Right

Reliable Window Regulator for Nissan Altima

The Dorman 740-039 window regulator is designed specifically for Nissan Altima models requiring an electric window operation replacement. Engineered with durable materials, this power window regulator ensures smooth and consistent window movement without the motor included.

Key Features of Dorman 740-039 Window Regulator

• Gear material constructed from plastic for quiet and efficient operation
• Steel housing provides strength and long-lasting durability
• Metal and plastic frame materials for balanced support and weight
• Bolt-on attachment type for secure and straightforward installation
• Electric window operation compatible with Nissan Altima power windows
• Package includes one power regulator without motor or mounting hardware

Detailed Description of the Dorman Window Regulator

This Dorman window regulator (part number 740-039) is built to replace the electric window regulator in Nissan Altima vehicles. The combination of a steel housing and plastic gear material offers a reliable mechanism that resists wear and reduces noise during window movement. The frame incorporates both metal and plastic components to maintain structural integrity while minimizing weight. Designed as a bolt-on replacement, this regulator fits precisely in the Nissan Altima door assembly, ensuring proper alignment and function. Note that the motor is not included, so this part is ideal for repairs where the motor remains functional or is replaced separately.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete loss of electric window operation
• Grinding or unusual noises during window movement
• Window stuck in one position due to regulator failure
• Worn or broken plastic gears causing window malfunction

Installation Notes and Tips

Installation of the Dorman 740-039 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 bolts and fasteners or acquire compatible hardware separately. Ensure the regulator is properly aligned before securing bolts to avoid window misalignment or binding. This part is designed for bolt-on attachment, which simplifies the replacement process for experienced technicians familiar with Nissan Altima door assemblies.

Quality Assurance and Warranty Information

Dorman manufactures this window regulator to meet or exceed OEM standards for fit and function on Nissan Altima models. While the motor and mounting hardware are not included, the regulator itself is constructed with durable steel and plastic components to provide reliable service life. Please consult Dorman’s warranty policy for specific coverage details related to part number 740-039.