Audi S3 8Y Volkswagen Golf R Mk8 Fuel Line Pipe Petrol 2.0 TFSI 5WA133987

Audi S3 8Y Volkswagen Golf R Mk8 Fuel Line Pipe Petrol 2.0 TFSI 5WA133987 is an original component from the Lines, hoses and pipes group, designed for 2.0 TFSI petrol engine fuel systems. It ensures stable fuel delivery from the tank to the engine unit, supporting safe and consistent operation of the injection system in high-performance vehicles.

Specifications and technical data

• SKU: 5WA133987
• Mark: Audi
• Condition: Used
• OEM Part Number: 5WA133987
• Substitutable numbers: 5WA133987, 5WA 133 987
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel line in Audi S3 8Y and Volkswagen Golf R Mk8 versions with a 2.0 TFSI petrol engine is responsible for precisely delivering fuel at the correct pressure to the subsequent components of the system. The design of the pipe is adapted to the characteristics of turbocharged units, where fuel flow stability has a direct impact on engine refinement, throttle response, and performance consistency.

The original design of the pipe ensures:

• proper routing of the fuel path relative to other engine bay components,
• compatibility with factory quick-connectors and mounts,
• adaptation to the operating parameters of the petrol system in the 2.0 TFSI engine.

Construction and fitment for Audi S3 8Y and Golf R Mk8

The pipe has been designed specifically for the geometry of the engine bay in the Audi S3 8Y and Volkswagen Golf R Mk8, which translates into proper positioning relative to engine accessories, the turbocharger, and cooling elements. This minimizes the risk of improper tension, rubbing against other components, or localized overheating.

Factory fitment means that the length, diameter, and shape of the pipe are in accordance with the vehicle manufacturer's requirements, which facilitates installation and limits the need for any modifications. For sports-oriented cars such as the S3 and Golf R, maintaining the original fuel system specification is important for both durability and the consistency of engine operating parameters.

Operating characteristics in the petrol system

The pipe is designed to work with a petrol fuel supply system, typical for TFSI units. The materials used in this type of pipe are designed for resistance to petrol, fuel additives, and the typical temperature and pressure ranges found in modern turbocharged engines.

A properly selected fuel pipe helps maintain:

• stable pressure in the supply system,
• correct operation of the high-pressure pump and injectors,
• reduced risk of leaks and system performance drops.

Condition, origin, and benefits of using a used part

The item comes from the used parts segment, which allows for combining the manufacturer's original specification with a more cost-effective repair compared to new replacements. For fuel lines in cars like the Audi S3 8Y and Volkswagen Golf R Mk8, it is particularly important to maintain factory geometry and compatibility with accessories, which is why choosing an original dismantled pipe is often a technically safe and economically justified solution.

Before installation, a standard check of tightness, the condition of connectors, and the pipe surface is recommended, as well as installation in accordance with the vehicle manufacturer's procedures. This allows for restoring the proper operation of the fuel system after a failure, upgrade, or interference with engine accessories.

Support with selection and system expansion

If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other elements from the same group, such as additional supply lines, return lines, or flexible fuel hoses, check the available parts in the Audi lines, hoses and pipes category.

To better understand the advantages of using original recycled components in key vehicle systems and the possibilities for optimizing service costs, it is worth reading the article: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts.