The STIHL genuine VIKING V-belt, part number 63587042100, is an essential component designed for specific STIHL and VIKING lawn mowers. This high-quality V-belt ensures efficient power transmission from the engine to the mower deck or drive system, providing reliable operation and consistent performance. Manufactured to OEM specifications, it offers excellent durability and resistance to wear, extending the life of your machinery. Always refer to your equipment's parts manual for exact fitment.