The JCB 336B4585 is a genuine OEM rear axle seal designed for a range of JCB agricultural and construction machinery. This critical component prevents lubricant leakage from the axle housing and protects the axle bearings from contaminants like dirt and moisture, ensuring the longevity and efficient operation of the axle assembly. Manufactured to JCB's exacting standards, it guarantees a precise fit and reliable sealing performance.