The JCB 25966703 Seal Kit is a genuine OEM replacement part designed for JCB lift cylinders. This high-quality seal kit ensures optimal performance and prevents leaks in various JCB backhoe loader models, including 3CX, 4CX, 5CX, 214, 215, 217, and many others. It replaces the older part number 99100020, providing a reliable solution for hydraulic system maintenance.