Dorman 742-509 Power Window Motor - Front Left or Rear Left

Reliable Window Motor Replacement for Nissan Vehicles

The Dorman 742-509 window motor is designed to restore smooth and efficient window operation for select Nissan models. This plug-in window lift motor is engineered to meet the specific needs of Nissan Altima, Frontier, Murano, Sentra, X-Trail, and Xterra vehicles.

• Compatible with Nissan Altima, Frontier, Murano, Sentra, X-Trail, and Xterra
• Part number 742-509 for precise identification
• Plug-in design for straightforward electrical connection
• Includes window lift gear for complete motor function
• No regulator or mounting hardware included
• Wiring harness not included

Product Features and Specifications

The Dorman 742-509 window motor is a direct replacement part that features a plug-in connection, simplifying installation without the need for splicing or additional wiring. This motor includes the window lift gear, ensuring compatibility with the window regulator mechanism, although the regulator itself is not included. The absence of mounting hardware and wiring harness means these components must be reused from the original assembly or sourced separately. This window motor does not contain embedded logic or micro-controlled electronics, providing a straightforward mechanical operation consistent with factory specifications.

Compatible Nissan Models and Applications

This window motor is compatible with a range of Nissan vehicles, including the Altima, Frontier, Murano, Sentra, X-Trail, and Xterra. It is designed to replace faulty or worn window lift motors in these models, restoring reliable power window functionality. Use part number 742-509 to ensure correct fitment and performance for your specific Nissan vehicle.

Common Issues Addressed by This Window Motor

• Power windows that fail to move or respond
• Intermittent window operation or slow movement
• Grinding or unusual noises during window operation
• Window stuck in the up or down position
• Complete failure of the window lift mechanism

Installation Notes and Tips

Installation of the Dorman 742-509 window motor requires removal of the door panel and disconnection of the existing motor. Since mounting hardware and wiring harness are not included, retain original components for reuse. The plug-in connection allows for a direct electrical hookup without modification. Verify compatibility with your Nissan model and test window operation before reassembling the door panel.

Quality Assurance and Warranty Information

Dorman window motors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product packaging or Dorman’s official documentation for exact warranty terms related to part number 742-509.