Audi TT 8J Fuel Tank Filler Cap Cover Screw 8J0201550C

Audi TT 8J Fuel Tank Filler Cap Cover Screw is an original refueling system component, designed specifically for the Audi TT 8J generation models. This used, factory part from the Audi OE line ensures proper sealing of the filler neck, stable mounting, and correct interaction with the fuel tank, which translates into safe vehicle operation.

Specifications and technical data

• SKU: 8J0201550C-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8J0201550C
• Substitutable numbers: 8J0201550C, 8J0 201 550 C, 8J0201553C, 8J0 201 553 C, 8J0 201 550 M, 8J0201550M
• Part type: Fuel Tank Cap
• Category: Fuel Tank Caps

Function and role of the fuel cap in the fuel system

The fuel tank filler cap in the Audi TT 8J is responsible for tightly closing the tank neck, limiting fuel evaporation, and protecting against contaminants entering the system. A correctly selected component minimizes the risk of errors related to tank pressure, supports stable operation of the fuel supply system, and helps maintain compliance with emission standards.

Original manufacturing from the Audi OE range means maintaining the correct geometry of the seals, appropriate material hardness, and a fit to the thread and mounting specified by the manufacturer. As a result, the cap works with the sensors and tank ventilation just as it does in the factory configuration.

Selection by OEM number and interchangeable numbers

This model of cap should be selected primarily based on the OEM part number and available interchangeable numbers. This allows you to verify compatibility with a specific version of the Audi TT 8J (engine, model year, body type) and avoid problems with installation or sealing. In case of doubt, it is worth comparing the markings with the currently installed component or using a parts catalog based on the VIN.

Thanks to the presence of reference numbers, this cap can be used as a replacement for several factory variants, which facilitates service and speeds up the process of selecting parts in the workshop.

Condition, origin, and service application

The offered cap is a used part, sourced from the dismantling of an original vehicle. This type of component is a popular choice in situations where the existing cap has been mechanically damaged, has worn-out seals, or has been lost. Using an original part from the secondary market allows you to maintain the factory operating parameters of the fuel system at a reasonable repair cost.

This solution will work well both in daily operation and during more advanced service work related to the fuel supply system, e.g., replacing the fuel tank or ventilation components.

Benefits of using the original Audi TT 8J fuel cap

• Factory fit – a cap designed specifically for the Audi TT 8J, with no modifications required.
• Proper sealing – a design compliant with manufacturer requirements helps maintain correct pressure in the tank.
• Hassle-free installation – standard mounting and geometry intended for the original fuel filler.
• Safe operation – reducing the risk of dirt and moisture entering the fuel system.

Technical support and related materials

If you are planning more extensive work on the fuel supply system, it is worth checking out our service guide: Fuel system – diagnostics, selecting parts by VIN/OEM, and principles of proper operation. There, you will find practical tips regarding the interaction of the cap, tank, pumps, and injectors, as well as answers to frequently asked questions.

For comprehensive service of the refueling zone and elements related to the fuel filler, you can also check other products in the Fuel filler flaps and caps category to select a complete solution tailored to your Audi.