The Toro 112-0314 Lawn Tractor Idler Pulley helps maintain proper belt tension for smooth and reliable mower operation. Designed as a replacement idler pulley, it fits compatible Toro lawn tractors to guide and support the drive or deck belt within the pulley system. It works by keeping the belt aligned and under the correct tension as it rotates during operation. This supports consis... https://www.wholetoolbox.com/toro-112-0314-lawn-tractor-idler-pulley