Genuine OEM Volkswagen Fuel Tank Cap, part number 5Q0201550AN. This essential cap provides a secure and airtight seal for the vehicle's fuel tank opening, preventing fuel evaporation, spillage, and contamination from external elements. A properly functioning fuel cap is crucial for maintaining fuel system integrity and meeting emissions standards. Weighing 0.0783 kg, this cap is manufactured to exact factory specifications, ensuring a precise fit and reliable sealing performance. Using a genuine OEM fuel tank cap guarantees the correct pressure relief valve operation and material resistance to fuel, ensuring long-term safety and environmental compliance.