The McCormick 6678608A1 is an authentic OEM spacer designed to maintain precise distances and alignment between components in McCormick, Case IH, and New Holland agricultural machinery. With an outer diameter of 30 mm, an inner diameter of 18 mm, and a thickness of 10 mm, this spacer is essential for correct assembly and function. It fits a wide range of tractor models including McCormick X4, X5, X6, X7, X8 series, Case IH Farmall A series, and New Holland T4, T5, T6, T7 series. Manufactured to original specifications for durability and reliable performance.