The McCormick 3657222M1 is a genuine OEM seal ring designed for specific McCormick X4 and X5 series agricultural tractors. This critical component ensures a tight seal within the hydraulic or engine system, preventing leaks and maintaining optimal operational pressure. Engineered to McCormick's exacting standards, it provides durability and precise fitment for models including the X4.35, X4.40, X4.45, X4.50, X5.35, X5.45, and X5.55.