The Hustler 602821 is a genuine OEM flat idler pulley designed for a wide range of Hustler zero-turn mowers. This critical component ensures proper belt tension and smooth operation of the mower deck and drive systems. With an outer diameter of 133.35 mm (5.25 inches), a width of 28.70 mm (1.13 inches), and a bore of 17.02 mm (0.67 inches), it is engineered for precise fit and durability. Weighing approximately 0.68 kg (1.5 lbs), it is a direct replacement part for maintaining optimal performance and longevity of your Hustler equipment.