Genuine OEM Volkswagen Fuel Tank, part number 5WA201060AC. This fuel tank is responsible for storing and supplying fuel to the engine. It is identified as part 1 in the diagram. The approximate dimensions are 1.4 meters in length, 1.2 meters in width, and 0.73 meters in height. Genuine OEM fuel tanks are manufactured to exact specifications, ensuring proper fitment, material integrity, and resistance to fuel degradation, which is crucial for safe and efficient operation.