The McCormick 6718748A1 Shim is an original equipment manufacturer (OEM) part designed for precise spacing and alignment in various McCormick agricultural machinery. This genuine shim measures 0.5mm in thickness, with an inner diameter of 40.5mm and an outer diameter of 50mm, ensuring accurate fitment and optimal performance. It is a critical component for maintaining proper clearances within mechanical assemblies, contributing to the longevity and efficient operation of your McCormick tractor models including MC, MTX, X6, X7, and X8 series.