The McCormick 4216800M1 is a genuine OEM tank cap designed for a wide range of McCormick agricultural tractors, including models from the CX, C, MC, MTX, X4, X5, X6, X7, and X8 series. This essential component ensures a secure seal for the fuel or hydraulic tank, preventing contamination and spillage. Manufactured to McCormick's stringent quality standards, it guarantees reliable performance and a perfect fit for compatible machinery.