The McCormick 6731055A1 Radiator Cap is a genuine OEM component designed to maintain optimal pressure within the cooling system of McCormick and Case IH tractors. This radiator cap features a pressure rating of 0.9 bar (13 PSI) and ensures efficient engine cooling by preventing coolant boil-over and maintaining system integrity. It is compatible with a wide range of McCormick models including CX, C-Max, MC, MTX, X4, X5, X6, X7, and X8 series, as well as Case IH JX, Maxxum, MXM, MXU, Puma, Quantum, and VJ series tractors.