ApplicationCompatible for Infiniti G35 Coupe 2003-2007 compatible for Nissan 350Z 2003-2009SpecificationReference OEM Number: 80731-CD00A , 80731CD00A , 80731-CD001 , 80731CD001 80730-CD00A , 80730CD00A , 80730-CD001 , 80730CD001 742-512 , 742-511 , 4551-0002L 617-58705L , 61758705L , 617-58704L , 61758704L 617-51251L , 61751251L , 617-51250L , 61751250L Condition: brand new Placement on Vehicle: front left and right side Warranty: one year warranty for any manufacturing defect Quantity: 2 piece window motor as pictures shown Direct bolt-on replacement. Built to quality control standards. improved design for durability.Notewe highly suggest you install the window motor with the help of a professional mechanic, if you want to replace the window regulator by yourself, hope the information below will be helpful to you: Power window regulators typically consist of removing the door panel, disconnecting the power window switch, disconnecting the window motor lead, removing the window, removing the regulator’s bolts, and pulling the regulator out of the door. When reinstalling, be sure to test the regulator by hooking up the wiring harness to the power window switch before reinstalling the door panel. For some regulators, you might have to reset the auto-pinch feature. Manual window regulators typically consist of removing the window crank handle, removing the door panel, punching or drilling out the regulators, or loosening the bolts that attach it to the door and window track.