Husqvarna 532407863 Lawn Tractor PTO Switch Genuine Original Equipment Manufacturer (OEM) Part PTO Switch Genuine Husqvarna Part # 532407863 Supercedes/Replaces Old part #s 4021J, 126016, 126016X, 532004021 &amp; 532126016 Fits Various Specific Husqvarna Models Also Fits Other Brands Produced by Husqvarna that Require this Part # (Sears Craftsman, AYP, Poulan, Poulan Pro, Roper, Weed Eater etc.)