The McCormick 6715379A1 Ring is a genuine OEM component designed for various McCormick X-series agricultural tractors. This essential ring ensures correct operation within the specified systems of models including the X4.20, X4.30, X4.40, X4.50, X4.60, 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, and X8.680. Manufactured to McCormick's stringent standards, it provides reliable performance and durability for critical applications.