The MTD IBP3170016 friction wheel assembly, commonly cross-referenced as MTD 73804124A, is a critical component for the drive system in various MTD, Cub Cadet, Troy-Bilt, Yard-Man, and White Outdoor snow blowers. This genuine OEM part ensures proper power transfer from the engine to the wheels, allowing the snow blower to move efficiently. Constructed with a durable rubber outer disc and a robust metal hub, it is designed for longevity and consistent performance in demanding winter conditions. This friction wheel measures 127 mm in outer diameter, 19.05 mm in inner diameter, and has a thickness of 12.7 mm, providing a precise fit and reliable engagement.