Genuine OEM Land Rover Agr Valve Tube O-Ring, part number LR003898. This O-ring is designed to seal the connection of the AGR (Exhaust Gas Recirculation) valve tube, preventing any fuel or exhaust gas leaks. A proper seal is crucial for the efficient and correct operation of the EGR system. Genuine OEM parts are made from high-quality materials that withstand engine temperatures and pressures, ensuring a long-lasting and reliable seal.