The McCormick 3580198M1 is a genuine OEM fuel tank cap designed for a wide range of McCormick agricultural tractors, including models from the CX, MC, MTX, XTX, and ZTX series. This essential component ensures a secure and tight seal for the fuel tank, preventing fuel spillage and contamination while protecting the fuel system. Manufactured to McCormick's stringent quality standards, it provides reliable performance and a perfect fit for specified models.