The JCB 83400871 is a genuine OEM radiator top hose designed for a wide range of JCB machinery, including 3CX and 4CX backhoe loaders, as well as numerous Loadall telehandler models. This critical component ensures efficient coolant circulation from the engine to the radiator, preventing overheating and maintaining optimal operating temperatures. Manufactured to JCB's rigorous standards, it offers durability and a precise fit, essential for reliable engine cooling system performance. Key specifications include a length of 290 mm and an inner diameter of 45 mm.