Genuine OEM Kia Fuel Tank Ventilation Hose, part number 31072G5000. This hose plays a critical role in the fuel system by allowing the fuel tank to properly ventilate, managing pressure changes and supporting emissions control. It connects components within the fuel filler and tank assembly. Choosing a genuine OEM hose ensures the correct routing geometry, material resistance to fuel vapors, and long-term durability for reliable system operation.