Dorman 742-521 Power Window Motor - Front Right or Rear Right

Window Motor for Nissan Altima and INFINITI M45

Dorman 742-521 is a power window lift motor engineered to match the fit and performance of the original motor in specific vehicle applications. It is a plug-in replacement for the front right or rear right window position, depending on the vehicle, and includes the window lift gear for a direct repair.

• Plug-in electrical connection for straightforward replacement
• Window lift gear included
• Window lift motor only; regulator not included
• No mounting hardware included
• Fits front right and rear right applications listed below

Detailed Product Overview

This Dorman window motor, part number 742-521, is built for drivers replacing a worn or failed power window motor in select Nissan Altima and INFINITI M45 models. It is designed as a direct-fit electrical replacement that follows the original motor’s fit and operating characteristics for the listed vehicles. For search relevance, this Dorman 742-521 window motor is commonly selected for 2007-2013 Nissan Altima front right applications without auto up/down, as well as rear right applications on 2007-2008 Nissan Altima and 2008 INFINITI M45.

This part cross-references Cardone Reman 47-13155 for the same application.

Vehicle Fitment

• Fits 2007-2013 Nissan Altima, front right, wo/Auto Up/Down.
• Fits 2007-2008 Nissan Altima, rear right.
• Fits 2008 INFINITI M45, rear right.

Common Repair Symptoms

• Window does not move when the switch is pressed
• Slow or intermittent window operation
• Grinding or binding noise from the door panel
• Window stops partway up or down
• Motor runs but the glass does not travel correctly

Installation Notes

Verify the window position, connector style, and vehicle configuration before installation. This unit is plug-in and does not include the regulator or mounting hardware. Confirm the application matches your Nissan Altima or INFINITI M45 by year, position, and the listed note for front right use without auto up/down.

Quality Assurance

Dorman designs replacement components to match original equipment fit and function for specific applications. Part number 742-521 is built as a direct replacement window lift motor for the listed vehicles and positions.