The McCormick 701913 Radiator Cap is a genuine OEM component designed to maintain the correct pressure within the cooling systems of a wide range of McCormick agricultural tractors. This essential part ensures efficient engine cooling and prevents coolant loss, operating at a confirmed pressure of 13 PSI. It is a direct replacement for the original cap on models including CX, MC, MTX, X, and XTX series tractors, guaranteeing proper fit and reliable performance.