This is a genuine VAG fuel tank, part number 5J0201060B, specifically engineered with a narrow opening. This design is crucial for compatibility with certain VAG models, ensuring a precise fit and proper function. Crafted to meet VAG's stringent quality standards, this fuel tank is built for durability and long-lasting performance. It plays a vital role in the safe storage and efficient delivery of fuel to your vehicle's engine, contributing to overall vehicle reliability. Replacing your fuel tank with a genuine VAG part like this one guarantees that it meets all original equipment specifications. This helps maintain the integrity of your fuel system and ensures optimal performance and safety.