Whirlpool Genuine OEM WPW10316267 Dishwasher Overfill & Float Switch Housing.
 
This part works with the following brands: Whirlpool, Roper, Admiral, Maytag, Hardwick, Jenn-Air, Estate, Magic Chef, Crosley, Inglis, Norge, Modern Maid, Amana, Kenmore, KitchenAid, Caloric, & IKEA.
 
This part is also known as a standpipe.