The McCormick A188478 is a genuine OEM washer designed for various McCormick tractor models, including the CX, MC, MTX, XTX, X6, X7, and X8 Series. This essential component ensures proper spacing and secure fastening in critical assemblies, maintaining the integrity and performance of your agricultural machinery. Manufactured to McCormick's exacting standards, it guarantees reliable fitment and long-lasting durability for optimal machine operation.