Audi TT 8J Fuel Tank Filler Cap Cover With Retaining Strap Diesel 8J0201553E

The Audi TT 8J Fuel Filler Cap with Retaining Strap Diesel is an original part from the Fuel Filler Flaps and Caps category, designed for diesel fuel systems. It ensures a tight seal for the filler neck, stable attachment, and safe operation during the car's daily use.

Specifications and technical data

• SKU: 8J0201553E
• Mark: Audi
• Condition: Used
• OEM Part Number: 8J0201553E
• Substitutable numbers: 8J0201553E, 8J0 201 553 E, YAP 2688907N04, YAP2688907N04
• Fuel type: Diesel
• Part type: Fuel Tank Cap
• Rim width: 8
• Category: Fuel Tank Caps

Purpose and Technical Function

The Audi TT 8J Fuel Filler Cap for Diesel Engines is responsible for the controlled closure of the filler neck, which reduces fuel evaporation and the risk of contaminants entering the tank. The integrated retaining strap keeps the cap attached to the vehicle, minimizing the risk of losing it during refueling and making it easier to handle at the fuel station.

This component is designed to work with the diesel fuel system, which is important for proper ventilation and maintaining the correct operating conditions of the fuel system in Audi cars.

Construction and User Features

The cap belongs to the group of consumable parts that directly affect the fuel system's seal. Its design includes:

• A tight seal for the filler neck – preventing moisture and dirt from entering the tank neck,
• A retaining strap – a permanent connection to the body, improving refueling ergonomics,
• A precise fit for the Audi TT 8J filler neck geometry – ensuring proper seating and a secure hold in its housing.

A cap configured in this way supports the stable operation of the fuel system while also enhancing the comfort of daily vehicle use.

Condition, Origin, and Service Application

The offered fuel filler cap is a used part, sourced from dismantling. This type of part is often chosen as a service solution in situations where the original cap has suffered mechanical wear, damage to the retaining strap, or sealing issues. Using an original component from the same model line ensures factory-like fitment and predictable fuel system behavior.

In practice, replacing the cap is one of the simpler service procedures, and a correctly chosen part helps reduce the risk of leaks, unpleasant fuel odors, and contamination entering the tank.

Benefits of Installation in Audi TT 8J Diesel

• Maintaining fuel system integrity – supporting the stable operation of the diesel fuel system.
• Safe refueling – the retaining strap reduces the risk of dropping or losing the cap.
• Factory fit for Audi bodywork – the cap is designed for the specific geometry of the filler neck.
• A sensible service solution – the ability to restore proper filler neck operation without interfering with other fuel system components.

Related Fuel Filler Flaps and Caps, and Technical Knowledge

If you are looking for other items in the Audi Fuel Filler Flaps and Caps category, check out the Audi Fuel Filler Flaps and Caps available in our assortment to select a component that matches your specific model and engine version.

To better understand the impact of the cap and filler neck on the entire fuel system, it is worth reading the article describing the construction and operation of the fuel system – you will find information on diagnostics, selecting parts by catalog numbers, and regeneration principles there: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Regeneration.

Summary

The Audi TT 8J Fuel Filler Cap with Retaining Strap Diesel is a practical choice for users who want to restore proper fuel filler operation and ensure the integrity of the fuel system in their Audi. A correctly chosen cap supports the trouble-free operation of a diesel-powered car while remaining a simple service component to install.