The McCormick 3555249M1 is a genuine OEM seal ring designed for various McCormick X-series tractors. This essential component ensures a tight seal, preventing leaks and maintaining system integrity. With an inner diameter of 60 mm, an outer diameter of 70 mm, and a thickness of 5 mm, this high-quality ring is compatible with McCormick X4, X5, X6, X7, and X8 series models, including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X5.20, X5.30, X5.40, X5.50, 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.