The Whirlpool 8193983 Upper Wash Spray Arm Spinner for Dishwasher restores proper water circulation for thorough upper rack cleaning. This replacement spray arm spinner rotates during the wash cycle, directing pressurized water through multiple spray openings to reach dishes, glasses, bowls, and utensils from different angles. Designed to replace a worn or damaged component, it promot... https://www.partsmelange.ca/whirlpool-8193983-upper-wash-spray-arm-spinner-for-dishwasher