The McCormick 3309460M1 is a genuine OEM radiator cap designed for various McCormick agricultural tractors, including the C, CX, MC, MTX, XTX, and ZTX series. This essential component maintains proper pressure within the cooling system, preventing coolant loss and ensuring efficient engine temperature regulation. It is a direct replacement part, ensuring compatibility and reliable performance for your McCormick machinery. This part also cross-references to Massey Ferguson, Valtra, and Landini part number 3309460M1.