The Whirlpool W11545286 is a genuine replacement nut manufactured exclusively for various Whirlpool dishwasher models. It's a tiny but important item that holds parts of the dishwasher's interior assembly together firmly. Dishwasher nuts are often used to secure parts like spray arms, racks, or internal panels, though the precise application may vary based on the type. Leaks, rattling sounds, or even malfunctioning parts might be caused by a loose or broken nut. By swapping out a worn-out nut for the W11545286, you can get your dishwasher operating properly again by ensuring a tight fit. When you use an authentic Whirlpool item, you can be sure of its longevity and compatibility.