Genuine OEM Volkswagen Filter Element, part number 4M0127434G. This is the replaceable filter element for the fuel filter assembly, designed to remove impurities from fuel before it reaches the engine. It is located at position 2 within the fuel filter assembly. Using a genuine OEM filter element ensures effective filtration and protects the engine's fuel system components from damage. Proper filtration is essential for maintaining engine efficiency and preventing costly repairs.