This is a genuine replacement part. The model number and name for the following item is: Wash Arm Retainer Nut 154335201 Frigidaire wash arm support this is an internal piece of your dishwasher.
OEM Part - Manufacturer #154335201
Order by 2:00 PM ET and choose FedEx 2Day or FedEx Overnight shipping, this part ships TODAY!
Upper spray arm nut
OEM Part - Manufacturer #5303351072