Part WP233520, Washer, is a genuine OEM part manufactured by Whirlpool. The manufacturer describes it as "WASHER, 501 ID X3/4 O". Washer. Has a 3/4-inch outside diameter. It is used in KitchenAid Dryers. Find appliance parts, lawn & garden equipment parts, HVAC parts and more from the top brands in the industry.