The spray arm rotates and sprays water to clean the dishes inside the dishwasher tub. This part works with the following brands: Frigidaire, White Westinghouse, Kelvinator, Gibson, Kenmore, Sears, Tappan, and Electrolux. Possible repair solutions include poor cleaning, unusual noises, and leaking water. The dishwasher spray arms are responsible for distributing the water around the appliance, which cleans the dishes and items being washed.