This is a genuine AGCO part, McCormick 3680338M1 shim, designed for precise spacing and alignment in various agricultural and industrial machinery applications. With an outer diameter of 40mm, an inner diameter of 30mm, and a thickness of 1mm, this shim ensures optimal performance and fit. It is a critical component for maintaining proper clearances and reducing wear in mechanical assemblies. This part is also cross-referenced as an OEM equivalent for Massey Ferguson, Landini, Valtra, Fendt, Case IH, New Holland, and John Deere.