Whirlpool Genuine OEM W10178021A Washer & Dryer Laundry Appliance Stacking Kit. The stacking kit includes the hardware and instructions for stacking a dryer on a washer.
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 a washing machine stacking kit, washer stacking kit, dryer stacking kit.