Genuine OEM Hyundai EGR Adapter, part number 284562M400. This adapter is an integral component of the Exhaust Gas Recirculation (EGR) system, designed to connect various parts and facilitate the flow of exhaust gases. It plays a critical role in reducing nitrogen oxide emissions by recirculating a portion of the engine's exhaust gas back into the engine cylinders. Using a genuine OEM EGR adapter ensures precise fitment, proper sealing, and durability, which are essential for maintaining the efficiency and compliance of the vehicle's emissions system.