The AGCO Fendt 1442903X1 is a genuine OEM radial sealing ring, also known as a Joint SPI, designed for critical sealing applications in Fendt agricultural machinery. With precise dimensions of 55mm inner diameter, 80mm outer diameter, and 10mm width, this sealing ring ensures optimal performance and prevents leaks in various components. It is a direct replacement part for a wide range of Fendt tractor models, maintaining the integrity and efficiency of the machine's systems.