The JCB 17922134 is a genuine OEM locking fuel tank cap designed for a wide range of JCB machinery. This essential component ensures the secure sealing of the fuel tank, preventing fuel loss and contamination. It is compatible with numerous JCB 3CX and 4CX backhoe loaders, 500 series Loadall telehandlers, and 8000 series mini and midi excavators, providing a direct replacement for the original part.