This genuine McCormick 3666428M1 spacer is a critical component designed for precise fitment in a wide range of McCormick, Massey Ferguson, and Landini agricultural tractors. With an outer diameter of 40mm, an inner diameter of 25mm, and a height of 10mm, this spacer ensures proper spacing and alignment within machinery assemblies. Manufactured to OEM specifications, it guarantees reliable performance and durability, contributing to the smooth operation and longevity of your equipment.