The Fendt 345880010020 is a genuine OEM tensioner pulley designed for a wide range of Fendt tractors, including models from the 300, 400, 500, 700, 800, and 900 series. This essential component ensures proper belt tension, contributing to the efficient operation of the engine and associated systems. With an outer diameter of 100 mm, an inner diameter of 17 mm, and a width of 26 mm, this pulley is engineered to meet Fendt's rigorous quality standards for durability and performance.