The McCormick 84342556 is a genuine OEM fitting designed for various McCormick X-series agricultural tractors. This essential component ensures secure and leak-free connections within the hydraulic or fluid systems, maintaining optimal machine performance and reliability. Manufactured to McCormick's stringent quality standards, it provides a precise fit and long-lasting durability for models including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.80, X4.90, X5.35, X5.45, X5.55, X5.65, X5.75, 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.