The JCB 10990028 Boss Pivot is a genuine OEM component designed for various JCB agricultural, construction, and industrial machines. This critical pivot bushing ensures smooth operation and proper alignment in pivot points. With an inner diameter of 40mm, an outer diameter of 50mm, and a length of 40mm, it provides a precise fit for demanding applications across a wide range of JCB models including 3CX, 4CX, Loadall, Fastrac, JS excavators, and more.