The JCB 81690363 is a genuine OEM hydraulic adapter designed for connecting components with 7/8 SAE and G3/8 threads. This robust adapter ensures reliable fluid transfer in a wide range of JCB agricultural, construction, and industrial machinery, including 3CX, 4CX, Loadall, Fastrac, and JS series excavators. Weighing 0.12 kg with dimensions of 95mm length, 51mm height, and 25mm width, it provides a precise fit and durable performance for critical hydraulic systems.