Fuel Filler Cap Audi A4 B8 VW Passat B6 Diesel Tank Lid Black Cover 3C0201553F

Visual condition of the part

The product shows signs of use visible in the photos.

Fuel Filler Cap Audi A4 B8 VW Passat B6 Diesel Tank Lid Black Cover is an original component from the Fuel filler flaps and caps group, designed for diesel fuel systems. It maintains the tightness of the fuel system, protects the filler neck from contaminants, and supports the proper operation of the fuel installation in Volkswagen and Audi vehicles. The black color ensures a discreet, factory-fitted look for most standard fuel filler flaps.

Specifications and technical data

• SKU: 3C0201553F-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C0201553F
• Substitutable numbers: 3C0201553F, 3C0 201 553 F
• Fuel type: Diesel
• Part type: Fuel Tank Cap
• Color: Black
• Category: Fuel Tank Caps

Purpose and technical function

The presented cap is designed for vehicles with diesel engines, which is why its construction is adapted to the requirements of Diesel fuel. It is responsible for maintaining a proper seal on the filler neck, which limits fuel evaporation, minimizes the risk of moisture and dirt entering the tank, and helps maintain stable operating conditions for the fuel system.

The element belongs to the Fuel filler flaps and caps group, which are components directly related to refueling safety and tank protection. A properly selected cap limits the possibility of foreign objects entering the system, which is particularly important in modern diesel units with high-precision injection.

Construction, color, and visual fit

The black color of the body allows for an aesthetic integration of the cap into the fuel filler flap area, regardless of the body color. This color scheme is neutral, ensuring the cap remains unobtrusive and maintains the factory character of the refueling area. This solution is particularly beneficial for users who want to maintain a consistent vehicle appearance after replacing the part.

As part of the original Volkswagen component group, the cap is designed for proper fitment with the filler socket and appropriate sealing pressure. In practice, this translates into stable seating, no play during use, and comfortable operation during daily refueling.

Performance parameters and operation

Being dedicated to Diesel fuel means that the materials used are resistant to diesel oil and the typical operating conditions in the filler compartment. The cap helps maintain proper conditions in the tank, which is essential for the durability of fuel system components, such as the pump or injectors. Regular inspection of the cap's condition and replacing it in case of wear is a simple maintenance task that can reduce the risk of costly repairs in the future.

The used condition allows for an economical restoration of the fuel filler system's efficiency while maintaining the original assembly specifications. This is a solution often chosen for post-accident repairs, replacing a damaged cap, or restoring vehicle completeness after the removal of previous elements.

Technical support and part selection

When selecting a fuel filler cap for a specific version of the Passat B6 or Audi A4 B8, it is worth paying attention to compatibility with the fuel type and the design of the filler neck. It is helpful to use manufacturer markings and catalog data, which facilitates precise matching of the element to a given vehicle model. In case of doubt, the selection can be verified based on service documentation or consultation with a technical advisor.

To better understand the impact of filler tightness on the entire fuel supply system, it is worth reading the material discussing the diagnostics and operation of fuel installations – this is described in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where you will find practical tips regarding the operation of the tank and associated elements.

Related elements from the same group

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