The Whirlpool WP3400918 Spray Arm Retainer secures the dishwasher spray arm in its proper position during the wash cycle. This replacement component holds the spray arm in place while allowing it to rotate as pressurized water flows through its spray openings. Proper positioning helps the spray arm distribute water throughout the dishwasher tub, reaching dishes and cookware for effect... https://www.partsmelange.ca/whirlpool-wp3400918-spray-arm-retainer-for-dishwasher