The JCB 333C0880U is a genuine OEM fuel filler cap supplied with a key, designed to provide a secure and tamper-resistant seal for the fuel tank. This essential component helps prevent fuel theft and contamination, ensuring the operational integrity of your JCB equipment. It is compatible with a wide range of JCB machines, including excavators, backhoe loaders, and telehandlers, maintaining the manufacturer's original specifications for fit and performance.