The JCB 20951863 is a genuine OEM O-ring seal designed for critical sealing applications in JCB agricultural and construction machinery. This O-ring features an inside diameter of 95 mm, an outside diameter of 101 mm, and a cross-section thickness of 3 mm, ensuring a reliable and leak-proof seal for hydraulic components. It is commonly utilized across a wide range of JCB models including 3CX, 4CX, Loadall, and Fastrac series, contributing to optimal performance and preventing fluid leakage in demanding environments.