The McCormick K948427 is a genuine OEM fuel tank cap designed for a wide range of McCormick tractor models. This essential component ensures a secure seal for the fuel tank, preventing contamination and fuel spillage, and maintaining fuel system integrity. Manufactured to McCormick's original specifications, it guarantees optimal fit and reliable performance across compatible models including CX, MC, MTX, X10, X4, X5, X6, X7, X70, X8, X4M, X50, and X60 series tractors.