Genuine OEM Hyundai DPF Pressure Line, part number 289982F700. This line is an integral part of the exhaust system's emissions control, specifically connecting to the Diesel Particulate Filter (DPF). It is positioned in the rear section of the exhaust system. Its function is to provide accurate pressure readings to the engine control unit, enabling proper monitoring and regeneration of the DPF. Using a genuine OEM part ensures precise fitment and material integrity, critical for maintaining emissions compliance and system reliability.