The Whirlpool WPW10317197 Upper Spray Arm helps distribute water throughout the dishwasher for effective cleaning of dishes and utensils. Installed in the upper section of compatible dishwashers, this component rotates during the wash cycle and sprays water through its openings to reach cups, glasses, bowls, and other items on the upper rack. Proper water distribution helps remove foo... https://www.partsmelange.ca/whirlpool-wpw10317197-upper-spray-arm-for-dishwasher