This is a genuine JCB 25222544U relief valve, designed to protect hydraulic systems from overpressure by diverting excess fluid. Essential for maintaining the integrity and operational efficiency of JCB machinery, this OEM part ensures precise pressure regulation and reliable performance in demanding agricultural and construction applications. It is a critical component for various JCB Backhoe Loaders, Loadalls, JS Excavators, Fastracs, Wheeled Loaders, and other equipment.