The JCB 90303218 Plug is a genuine OEM replacement part designed for a wide range of JCB construction and agricultural machinery. This essential component ensures proper sealing and functionality within the hydraulic or fluid systems of models including the 3CX, 4CX, 520, 525, 530, 535, 540, 550, JS130, JS140, JS160, JS180, JS200, JS210, JS220, JS240, JS260, JS330, JS360, JS460, JS500, JZ140, JZ235, and JZ255. Weighing approximately 0.02 kg, this plug is manufactured to JCB's high standards for durability and precise fit.