Audi S6 C7 S7 4G A8 S8 D4 Fuel Pipe Line Hose 4.0 TFSI Petrol 079127509DM

Audi S6 C7 S7 4G A8 S8 D4 Fuel Pipe Line Hose 4.0 TFSI Petrol is an original fuel system component designed for 4.0 TFSI petrol engines in high-end Audi sports models. Thanks to its factory geometry and precise fit, the hose ensures stable fuel delivery and proper integration with other system components. This solution is particularly beneficial for workshops and users who expect parts that meet Audi's factory standards.

Specifications and technical data

• SKU: 079127509DM
• Mark: Audi
• Condition: Used
• OEM Part Number: 079127509DM
• Substitutable numbers: 079127509DM, 079 127 509 DM
• Fuel type: Petrol
• Part type: Line
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The presented fuel hose operates within the 4.0 TFSI petrol engine fuel supply system, responsible for the safe and leak-free delivery of fuel to the power unit. The design, tailored to the specific architecture of the V8 TFSI engine, allows for the correct routing of the hose in relation to accessories, body components, and heat shields. This reduces the risk of unwanted stress, abrasion, or leaks during long-term operation. A properly selected fuel hose is crucial for:

• maintaining stable fuel pressure in the supply system,
• maintaining tightness at varying operating temperatures,
• proper cooperation with fuel pumps and injection rails,
• reducing vibrations and mechanical loads in the engine bay.

Compatibility with Audi models

The component was designed for 4.0 TFSI units in Audi S6 C7, Audi S7 4G models, as well as the luxury Audi A8 and Audi S8 D4 sedans. This means that the geometry, length, and mounting points of the hose are adapted to the specific layout of components in these bodies and drivetrain configurations. Using a hose that complies with the factory design facilitates installation and helps maintain the original fuel system routing. For correct part selection, it is worth verifying compatibility with the specific engine version and vehicle year using the OEM number and interchangeable numbers available in the technical specifications. This approach minimizes the risk of ordering errors and speeds up service work.

Technical characteristics and advantages of use

The fuel hose belongs to the Lines, hoses, and pipes group, which are components responsible for transporting working media in the vehicle. In this case, the medium is petrol fuel, so the hose construction must be resistant to petrol and the typical operating temperatures of the 4.0 TFSI engine. Properly selected materials and factory manufacturing technology promote long-term, stable operation. Using an original fuel hose in the supply system brings a number of practical benefits:

• maintaining the factory routing of the hose in the engine bay,
• reducing the risk of leaks and fuel spills,
• proper cooperation with mounts and brackets in the body,
• easier diagnostics and future service thanks to compliance with manufacturer documentation.

Product condition and service application

The offered fuel hose is a used item, making it an attractive cost-effective solution while maintaining factory specifications. This type of part is suitable for both professional workshops specializing in the Audi brand and informed users looking for original components to repair or restore the fuel system. Replacing the hose with a part consistent with the manufacturer's design is particularly important during work involving engine disassembly, accessory upgrades, or troubleshooting fuel system leaks. If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other items from the same group, such as flexible fuel hoses, rigid supply pipes, or return lines, check out the available parts in the Audi lines, hoses, and pipes category.

Safe selection of a used fuel hose

When choosing a used fuel hose for a petrol engine, it is worth paying attention to compatibility with the OEM number, fuel type, and vehicle model. It is also crucial to check whether the hose is intended for use in a petrol system rather than a diesel one, as different working media require different materials and designs. For users who want to streamline the purchasing process and reduce the risk of incorrect selection, a practical guide to buying used parts online will be helpful – you can find it in the article Safe purchase of used car parts online – a step-by-step guide. By following the tips on verifying the part number, matching it to a specific petrol engine, and assessing the visual condition, you can effectively utilize the potential of original, used fuel hoses in the service and operation of Audi vehicles with the 4.0 TFSI unit.