Hi, does anyone know if KitchenAid/Hobart KDI-18 racks will fit in my KitchenAid KUDI 220T0 dishwasher? The KUDI (probably Whirlpool/circa 1990) came with our house nearly 20 years ago, and it is a real workhorse, but the racks are in very bad shape and getting worse by the day. I found an older...