The Toro 1198822 Idler Pulley is a genuine OEM replacement part designed for various Toro Z Master, Grandstand, Titan, and TimeCutter series mowers. This essential component ensures proper belt tension and smooth operation of the drive system, contributing to the longevity and performance of your equipment. With an outer diameter of 123.95 mm, an inner diameter of 17.02 mm, and a width of 29.97 mm, this durable idler pulley is engineered for precise fit and reliable function in demanding commercial and residential applications.