The Whirlpool WPW10378254 Ice Maker Shut-Off Arm controls ice production by stopping the ice maker when the storage bin reaches its fill level. This mechanical arm moves upward as ice accumulates, activating the shut-off mechanism to prevent the bin from overflowing. When the ice level drops, the arm lowers to allow ice production to resume. A properly functioning arm maintains the co... https://www.partsmelange.ca/whirlpool-wpw10378254-ice-maker-shut-off-arm-for-refrigerator