The Fendt F178100080121 synchronizer ring is a genuine AGCO replacement part designed for Fendt Vario series tractors. This essential component ensures precise and smooth engagement of gears within the transmission, contributing to optimal operational performance and extended gearbox life. With an outer diameter of 100 mm, an inner diameter of 80 mm, and a thickness of 12 mm, this synchronizer ring weighs 0.14 kg and is compatible with various Fendt 300, 500, 700, 800, and 900 Vario models.