The JCB 400A6079 is a genuine OEM Hydraulic Hose Burst Check Valve, specifically designed to enhance safety and operational reliability in various JCB backhoe loaders and compact excavators. This essential component prevents uncontrolled movement of hydraulic cylinders by locking the cylinder in position if a hydraulic hose ruptures, thereby protecting operators and equipment. Manufactured to JCB's stringent quality standards, it ensures precise fitment and long-lasting performance for models including the 3CX, 4CX, 5CX, 1CXT, 2CXT, and 2CX series.