Genuine OEM Audi Fuel Tank Filler Cap, part number 8K0201550N. This cap provides a secure seal for the fuel tank filler neck, preventing fuel evaporation, protecting against contaminants, and maintaining proper fuel system pressure. It is located at the fuel tank's filling point, typically accessible from the exterior of the vehicle. Constructed from durable plastic, this cap weighs approximately 0.07 kg and includes an integrated tether. Choosing a genuine OEM fuel cap ensures a perfect seal, correct pressure relief valve operation, and compatibility with the vehicle's evaporative emissions system, preventing check engine lights and fuel loss.

Catalogue entry: AP&cap with retaining strap for fuel tank "USA".