Genuine OEM Kia PCV Hose, part number 2672003171. This hose is a critical component of the Positive Crankcase Ventilation (PCV) system, routing crankcase gases to the intake manifold for re-combustion. It helps manage internal engine pressure and reduce emissions. Using a genuine OEM PCV hose ensures correct routing geometry, material compatibility with oil vapors, and a leak-free connection, preventing vacuum leaks and maintaining engine efficiency.