This genuine McCormick 3307905M93 fuel tank cap is designed to provide a secure seal for the fuel tank, preventing leaks and contamination. It is an essential component for maintaining the fuel system integrity of various McCormick CX, MC, MTX, and XTX series tractors. This cap also fits a wide range of Landini Legend, Powerfarm, and Vision series tractors, as well as Massey Ferguson 3000, 3100, 3600, 4200, 4300, 5400, 6100, 6200, 6400, 7400, 8100, 8200, 8400, and 8600 series models.