The JCB 33143163 is a genuine JCB inner wheel seal designed for optimal performance and durability in JCB machinery. This essential component ensures proper sealing for the wheel assembly, preventing contaminants and maintaining lubrication. It is compatible with a range of JCB models, including 3CX and 4CX backhoe loaders, as well as telehandlers such as 520-50, 520-40, 526-56, 531-70, 533-105, 535-95, 540-140, 540-170, 541-70, 550-80, and 560-80.