The MTD 75605331 is a genuine OEM flat idler pulley designed for optimal performance in a wide range of MTD, Cub Cadet, Troy-Bilt, Yard-Man, Yard Machines, Huskee, Bolens, White Outdoor, Ryobi, and Craftsman lawn mowers, lawn tractors, and zero-turn mowers. This durable pulley features an outer diameter of 114.3 mm (4-1/2 inches), an inner diameter of 9.525 mm (3/8 inches), and a width of 28.575 mm (1-1/8 inches). It ensures smooth operation and proper belt tensioning in your outdoor power equipment. This part replaces previous MTD group part numbers 75604224, 75604224A, 95604224, 95604224A, and 95605331.