The JCB 81690810 is an authentic OEM M22 plug designed for a wide range of JCB agricultural, construction, and industrial machinery. This robust plug ensures a reliable and leak-free seal within hydraulic or fluid systems, crucial for maintaining the operational integrity and performance of your equipment. Confirmed for use in models including 3CX, 4CX backhoe loaders, various Loadall telehandlers (e.g., 531-70, 541-70), JS excavators (e.g., JS130, JS200), and Fastrac tractors (e.g., 3230, 4220).