Genuine OEM Volkswagen Fuel Filter, part number 1K0127400N. This critical component is designed to remove contaminants and impurities from the fuel before it reaches the engine, protecting sensitive fuel injectors and other components from damage. It is integrated into the vehicle's fuel delivery system. This cylindrical filter weighs approximately 1.37 kg. Using a genuine OEM fuel filter ensures the correct filtration efficiency, flow rate, and material compatibility, preventing premature wear and maintaining engine performance.