Genuine OEM Volkswagen Fuel Hose, part number 05E133723AG. This hose is a vital component of the fuel system, responsible for the safe and efficient transport of fuel between various parts of the fuel delivery network. It is positioned within the engine bay, connecting fuel rails or other fuel system components as depicted in the diagram. Constructed from durable, fuel-resistant materials, it is designed to withstand the chemical properties of fuel and engine operating temperatures. Using a genuine OEM hose ensures the correct diameter, flexibility, and resistance to fuel degradation for optimal system performance and safety.