Frigidaire 154754502 5304506516 Upper Spray Arm Assembly for Dish Washer 154754502 Upper Spray SAME AS 5304506516 154754502 Upper Spray SAME AS 5304506516 This spray arm simply screws into the top of your dishwasher tub This part is actually two pieces, the spray arm and mounting nut The spray arm simply snaps into the mounting nut, but it is already assembled Approximately 9.5-Inch Long Genuine replacement part