The McCormick 6687664A1 Ball Joint is a genuine OEM component designed for the steering systems of McCormick X4, X5, X6, and X7 Series tractors. This critical part ensures smooth and precise steering control, contributing to the overall operational safety and performance of your agricultural machinery. Manufactured to original equipment specifications, it guarantees durability and a perfect fit for compatible models, including X4.40, X4.50, X4.60, X4.70, X4.70F, X4.70V, X4.80, X4.90, 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, and X7.680.