Audi A3 8P VW Skoda Fuel Filler Tank Screw Diesel Cap Cover Strap 8P0201550B

Audi A3 8P VW Skoda Fuel Filler Tank Screw Diesel Cap Cover Strap is an original component from the Fuel filler caps and accessories group, designed for diesel fuel systems. It ensures a tight seal for the tank neck, stable mounting, and safe operation during daily vehicle use.

Specifications and technical data

• SKU: 8P0201550B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P0201550B
• Substitutable numbers: 8P0201550B, 8P0 201 550 B
• Fuel type: Diesel
• Category: Fuel Flaps & Components

Purpose and technical function

This fuel filler cap has been designed specifically for vehicles with a diesel engine, which means it is tailored to the requirements of Diesel-type fuel systems. The component is responsible for maintaining a proper seal on the tank neck, reducing fuel evaporation, and protecting against the ingress of contaminants into the fuel system.

The integrated retaining strap reduces the risk of losing the cap during refueling and facilitates its handling in workshop conditions and during daily driving. Thanks to a design consistent with factory solutions, installation is intuitive, and the cap works perfectly with the original fuel tank neck.

Benefits of using an original fuel filler cap

Using an original fuel filler cap in Audi, Volkswagen, and Skoda vehicles allows you to maintain the factory performance parameters of the fuel system. Compared to aftermarket replacements, the OEM component ensures:

• secure and repeatable pressure against the tank neck,
• proper compatibility with the thread and filler housing,
• sealing materials appropriately selected for Diesel fuel,
• consistency with the factory bodywork and fuel flap design.

As a result, you reduce the risk of leaks, spills, or fuel odor issues around the vehicle, and minimize the possibility of water and dirt entering the tank neck.

Application in the Diesel fuel system

The cap works with a diesel-based fuel system, where stable pressure and fuel cleanliness are crucial for the operation of injectors and the pump. A tight cap helps maintain proper conditions in the tank, which promotes smooth engine operation and correct diagnostics of the fuel system.

If you want to better understand how the filler cap fits into the entire fuel system, it is worth checking out educational material describing the operation of the tank, pumps, and injectors – you can find it in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Characteristics of the used product

The offered item is a used OEM part, which means it comes from vehicle dismantling and retains the manufacturer's factory design. Such components are frequently chosen by workshops and individual users because they combine original fitment with a more cost-effective repair compared to new parts.

In the case of fuel filler caps, it is particularly important that the thread, tightening mechanism, and sealing elements remain in a condition suitable for further use. A used OEM element allows for maintaining the correct geometry and fitment with the tank neck, which is difficult to achieve with randomly selected aftermarket replacements.

Support for selection and expansion of the fuel filler area

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 covers, accessory protections, or mounting elements, check the available parts in the category Audi fuel filler caps and accessories.

In a situation where you want to quickly restore the vehicle's efficiency and reduce downtime in the service center, a guide describing the impact of the availability of original dismantled components on repair time may also be helpful – more information can be found in the article Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?.