The McCormick 6516957M91 Seal Kit is a genuine OEM replacement part designed for various McCormick X-Series tractors. This essential seal kit ensures a secure and leak-free connection, maintaining the integrity and performance of your machinery. Manufactured to precise specifications, it offers durability and reliable operation for models including X5.35, X5.45, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, X8.680, and other X-series models.