The JCB 98043105 is a genuine OEM cylinder seal kit designed to provide a reliable and leak-free seal for hydraulic cylinders in a wide range of JCB machinery. This essential kit ensures optimal hydraulic system performance and longevity by preventing fluid bypass and contamination. It is engineered to meet JCB's stringent quality standards, offering precise fitment and durability for demanding agricultural, construction, and industrial applications. Compatible with numerous JCB models including 3CX, 4CX, 5CX backhoe loaders, various Loadall and telehandler models, and JS series excavators.