The JCB LBB0212 is a genuine OEM backup ring designed to support O-rings and other seals in hydraulic applications, preventing extrusion and enhancing seal life. This critical component helps maintain system pressure and prevent leaks, ensuring reliable operation of JCB machinery. With dimensions of 25.4 mm, 25.4 mm, and 2.54 mm, and a weight of 0.01 kg, it is engineered for a precise fit and long-lasting durability.