Whirlpool Genuine OEM WP63377 Washer Agitator Assembly. The agitator rotates back and forth to move the clothes inside the tub to clean the load.
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.