Volkswagen Golf MK8 Audi A6 C8 Fuel Tank Cover Cap 5WA201553G

Volkswagen Golf MK8 Audi A6 C8 Fuel Tank Cover Cap is an original component from the Fuel filler flaps and caps group, designed for gasoline supply systems. This used OEM component ensures proper sealing of the tank neck, stable mounting, and safe handling during daily refueling.

Specifications and technical data

• SKU: 5WA201553G
• Mark: Audi
• Condition: Used
• OEM Part Number: 5WA201553G
• Substitutable numbers: 5WA201553G, 5WA 201 553 G, 5WA201550AR, 5WA 201 550 AR
• Fuel type: Petrol
• Category: Fuel Tank Caps

Purpose and technical function

The fuel tank cap in Volkswagen Golf MK8 and Audi A6 C8 models is responsible for tightly sealing the tank neck, which limits gasoline evaporation and helps maintain proper operating conditions for the fuel system. A correctly selected OEM component minimizes the risk of leaks, dashboard error messages, and fuel system pressure issues.

The product is optimized for gasoline-powered systems, ensuring compatibility with the factory design of the tank and fuel lines in VAG group vehicles. This is particularly important for modern engines, where stable conditions in the fuel tank affect the proper operation of the injection system.

Construction and vehicle fitment

The offered cap belongs to the Fuel filler flaps and caps group, meaning it has been designed for precise fitment with the filler neck and the factory thread or latch mechanism in the given model. The OEM construction ensures:

• proper sealing of the fuel filler neck,
• stable seating in the socket, without play or excessive resistance,
• ergonomic grip for easy opening and closing during refueling.

By maintaining factory dimensions and geometry, the cap works with the original fuel filler flap and body components, which reduces the risk of rubbing, improper closing, or unwanted vibrations while driving.

Performance parameters and operation

The cap is adapted to operate in conditions typical for gasoline fuel systems, including contact with fuel vapors and varying ambient temperatures. The properly selected sealing material helps maintain:

• controlled pressure in the fuel tank,
• reduced gasoline vapor emissions,
• stable conditions for sensors and fuel system components.

A used OEM component is a sensible choice for vehicle maintenance when you want to preserve the factory design and compatibility with the diagnostic system while optimizing repair costs.

Fuel system application and part selection

In modern cars, the fuel tank cap is part of a larger system that includes the tank, lines, pump, and ventilation elements. Its condition can affect the appearance of fuel system-related errors, so it is worth considering this component when diagnosing leaks. If you want to better understand the relationships between individual elements, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

When selecting a cap, it is recommended to verify compatibility by the OEM number or the vehicle's VIN in the manufacturer's catalogs to ensure a perfect fit for the specific engine version and model year.

Expanding Audi fuel filler service

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Audi and need other elements from the same group, such as additional caps, flaps, or filler neck covers, check the available parts in the Audi fuel filler flaps and caps category.

Summary

Volkswagen Golf MK8 Audi A6 C8 Fuel Tank Cover Cap is a used, original OEM component designed to work with gasoline fuel systems. It ensures a tight seal of the tank neck, proper fuel system operating conditions, and compatibility with the vehicle's factory design. This is a practical service solution for users who want to keep their car in line with the manufacturer's specifications.