This is a Genuine Replacement Part, The Model Number and Name for The Following Item: General Electric (GENF0) WD28X10103 Upper Wash Arm Spinner.
OEM Part - Manufacturer #WD28X10103
Dishwasher will need to be pulled from the cabinets to access mounting screws. <a href="http://www.youtube.com/watch?v=-bgs_JicFQg">Dishwasher Removal and Installation</a>