The McCormick 178659A1 shim is an essential OEM component designed for precise fitment in various agricultural machinery. This genuine shim ensures proper spacing and alignment, critical for the smooth operation and longevity of mechanical assemblies. It is compatible with McCormick CX series tractors, including CX70, CX75, CX80, CX85, CX90, CX95, CX100, CX105, and CX110. Additionally, this shim fits Case IH C series tractors (C50, C60, C70, C80, C90, C100) and New Holland TL series tractors (TL70, TL80, TL90, TL100).