The Corteco AL68210 is a high-quality shaft seal, also known as an oil seal (joint spi), with precise dimensions of 121.8 mm inner diameter, 150 mm outer diameter, and a stepped thickness of 13/15 mm. This genuine seal is designed for critical applications in agricultural and industrial machinery, ensuring optimal sealing performance and preventing lubricant leakage. It is a direct replacement for numerous OEM part numbers across multiple brands including John Deere, Case IH, New Holland, Claas, Fendt, Massey Ferguson, and Valtra, providing reliable fitment and durability for a wide range of tractors, combines, and other heavy equipment.