The MTD 6155179 is a genuine OEM belt pulley designed for use in a wide range of MTD group equipment, including MTD, Cub Cadet, Troy-Bilt, Yard-Man, White Outdoor, and Bolens lawn tractors. This durable pulley ensures proper belt tension and power transmission, crucial for the efficient operation of your machinery. It directly replaces the superseded MTD part number 6150179. Key dimensions include an outer diameter of approximately 104.8 mm, a bore diameter of 19.1 mm, and a height of 28.6 mm.