The McCormick 4213487M1 is a genuine OEM fuel tank cap designed for a wide range of McCormick X-series tractors, including X4, X5, X6, X7, and X8 models. This essential component ensures a secure seal for the fuel tank, preventing spillage and contamination. It is also compatible with numerous models from other AGCO brands such as Massey Ferguson, Landini, Fendt, Valtra, and Challenger, offering broad application across agricultural machinery. Manufactured to original specifications, this cap provides reliable performance and a precise fit.