The Fuse Kit is an OEM part for Whirlpool dishwashers. This kit includes a thermal fuse and necessary installation components. The fuse is a safety device that protects the dishwasher from overheating by cutting off electrical power if the temperature gets too high.  You should replace the fuse if it becomes defective. Causes of a bad fuse can include electrical surges, overheating, or age-related wear and tear, all of which can compromise the fuse's ability to function properly. Symptoms of a bad dishwasher fuse include: Dishwasher not starting Intermittent operation or sudden shutdowns during cycles No power to the control panel Error codes indicating a thermal issue This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.Part Number W10402110 (AP5645909) replaces 2443847, PS4704481, W10195528, W10402110VP.