The JCB 02912398 is a genuine OEM O-Ring, precisely engineered for critical sealing applications across a wide range of JCB agricultural, construction, and industrial machinery. With an inner diameter of 12mm and a cross-section of 2mm, this high-quality O-ring ensures a reliable, leak-proof seal, maintaining the integrity of hydraulic systems, engine components, and other vital assemblies. It is an essential component for preventing fluid loss and ensuring optimal performance in demanding operating conditions. Confirm fitment with your specific JCB model before purchase to ensure compatibility.