The JCB 17108901 Washer Seal is a genuine OEM replacement part designed for a wide range of JCB machinery, including 3CX, 4CX, 5CX backhoe loaders and various JS series excavators. This essential component ensures a secure and leak-free seal in critical applications, maintaining the integrity and performance of your JCB equipment. Manufactured to JCB's rigorous standards, it guarantees precise fitment and durability.