Craftsman 532143978 Blade Genuine OEM AYP Part American Yard Products manufactures parts and equipment for leading brands in the industry. Those include Craftsman, Husqvarna, Poulan Pro, Poulan, Weed eater, Roper, Sears, Rally, EHP (Electrolux Home Products) and Yard Pro Replaces: 121263X, 143978, 532121263