The Viking 63717042100 V-belt is an original equipment manufacturer (OEM) part, also cross-referenced as Stihl 63717042100. It is specifically designed for Viking MT series ride-on mowers, including models MT 5097, MT 5097 Z, MT 5112, MT 5112 Z, MT 6112, MT 6112 C, MT 6112 ZL, and MT 6127 ZL. This high-quality V-belt measures approximately 2130 mm in outside length and 17 mm in width, ensuring efficient and reliable power transfer for the cutting deck or drive system. Manufactured to precise specifications, it provides excellent resistance to wear, heat, and stretching, maintaining optimal tension for consistent operation and extended service life.