The Whirlpool WPW10078214 Upper Dish Rack Roller helps the upper dishwasher rack slide smoothly in and out for convenient loading and unloading. This replacement component attaches to the rack assembly and rolls along the guide track, supporting controlled movement during everyday use. It is designed to address issues such as a stiff, uneven, or difficult-to-move upper rack caused by ... https://www.partsmelange.ca/whirlpool-wpw10078214-upper-rack-wheel-for-dishwasher