The JCB 90420152 is a genuine OEM shaft seal ring designed for critical sealing applications in a wide range of JCB agricultural, construction, and industrial machinery. This high-quality sealing component features an inner diameter of 40 mm, an outer diameter of 52 mm, and a thickness (height) of 7 mm. It is essential for preventing fluid leakage and protecting internal components from contaminants in hydraulic systems and rotating shafts. Manufactured to JCB's exacting standards, this durable seal ensures reliable performance and contributes to the longevity of your equipment, including models like the 3CX, 4CX, JS series excavators, and TM series telehandlers.