Genuine OEM Volkswagen Fuel Filter Retainer, part number 7LA127224. This component secures the fuel filter in place within the fuel system. It is located at position 5 in the diagram. The retainer has dimensions of 0.265m length, 0.145m width, and 0.143m height. Genuine OEM retainers are designed with the exact mounting points and material strength to ensure the fuel filter remains securely in place, preventing fuel leaks and maintaining system integrity.