Whirlpool Genuine OEM W11550891 Washer Agitator Assembly.
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 washing machine agitator assembly.