This v-belt is a genuine MTD part, sold individually. This v-belt can be used as a replacement part in a lawn mower. The purpose of a v-belt in a lawn mower is to regulate the power and speed of the equipment.Symptoms of a v-belt that is no longer functioning as usual can include an unusual squealing noise, power steering malfunctioning, engine overheating, and visual signs of damage on the v-belt include punctures, tears, scrapes, and dents. If any of these symptoms occur and are directly attributable to the v-belt, the v-belt should be removed and replaced by this genuine OEM replacement part before using the lawn mower again. It is a simple replacement process that will require only basic tools to properly execute, while using and referencing the proper appliance manuals.This OEM part is a genuine replacement that is sold individually and sourced directly from the manufacturer. This v-belt is compatible with the following outdoor appliance brands: MTD and Yard Man.