The DEUTZ-FAHR 4513721 is a genuine OEM tensioner pulley designed for a wide range of Deutz-Fahr agricultural machinery. This essential component ensures proper belt tension, contributing to the efficient operation of the engine and ancillary systems. With an outer diameter of 70 mm, an inner diameter of 17 mm, and a width of 26 mm, this pulley is a direct replacement for maintaining optimal performance and reliability in compatible Deutz-Fahr tractors including Agrotron, Agrolux, Agroplus, Agrofarm, and Agrokid series.