Genuine OEM Kia Vapor Hose, part number 31349G4000. This hose is a critical component in the fuel system, designed to safely transport fuel vapors from the tank or charcoal canister to the engine for combustion, preventing their release into the atmosphere. It is installed within the vehicle's fuel vapor recovery system. Genuine OEM hoses are engineered with specific materials and routing geometry to resist fuel and vapor degradation, ensuring a leak-free and compliant emissions system.