This authentic Husqvarna replacement pulley, part number 585426801, is sourced directly from the manufacturer for use with various Husqvarna, AYP, Craftsman, Poulan, and Weed Eater lawn and garden equipment. As a crucial component in the drive system, it facilitates the movement of belts to power different functions of your machine. Replacing a worn, cracked, or damaged pulley ensures the smooth and efficient operation of your equipment. This pulley features a 101.6 mm (4-inch) diameter, a 17.46 mm (11/16-inch) bore diameter, and a 25.4 mm (1-inch) height, with an approximate weight of 0.27 kg (0.6 lbs). Always refer to your equipment's parts diagram for proper installation and fitment.