The SABO AM121967 is an aftermarket tension pulley designed as a direct replacement for the John Deere OEM part AM121967. This essential component maintains proper belt tension, contributing to the efficient and reliable operation of your equipment's drive system. Compatible with various John Deere X-Series Lawn & Garden Tractors and ZTrak Mowers, this durable idler pulley features an outer diameter of 114.3 mm, an inner diameter of 16.99 mm, and a width of 29.99 mm, with a weight of 0.408 kg. It ensures smooth power transmission and reduces wear on belts and other moving parts. Verify fitment with your specific John Deere model.