The JCB 25220529 Pilot Piston is a genuine OEM component designed for hydraulic systems in various JCB machinery. This part has been superseded by the updated part number 25221624. It ensures precise control and smooth operation within the hydraulic circuit. Compatible with a wide range of JCB models including 3CX, 4CX, 5CX backhoe loaders and JS series excavators such as JS130, JS145, JS160, JS180, JS200, JS220, JS240, JS260, JS330, JS360, JS370, JS460, JS500, JS520, JZ140, JZ235, and JZ255.