The McCormick 6679954A1 Gasket is an authentic OEM replacement part designed for a precise fit and reliable sealing in various McCormick X-series agricultural tractors. Manufactured to original specifications, this gasket ensures optimal performance and prevents leaks in critical engine or transmission components. It is compatible with models including X4.20, X4.30, X4.40, X4.50, X5.20, X5.30, X5.40, X5.50, X6.440, X6.460, X6.470, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680, providing durability and maintaining system integrity.