Audi A4 A5 8T A6 Fuel Injection Line Pressure Pipe Diesel 2.0 TDI 04L201360N

Audi A4 A5 8T Fuel Injection Pressure Line Diesel 2.0 TDI is an original fuel system component designed for Audi diesel engines. As part of the Lines, Hoses, and Tubes group, it is responsible for the safe and stable delivery of high-pressure fuel to the injection system. A used OEM component helps maintain the engine's factory performance parameters and reduces the risk of fuel system leaks.

Specifications and technical data

• SKU: 04L201360N-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L201360N
• Substitutable numbers: 04L201360N, 04L 201 360 N
• Fuel type: Diesel
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

The fuel injection pressure line in a Diesel engine plays a crucial role in precisely supplying the fuel rail and injectors. This component operates under high pressure, so its construction must ensure:

• adequate rigidity while resisting engine vibrations,
• stable maintenance of operating pressure across the entire load range,
• resistance to fuel oil and typical contaminants found in the system.

By maintaining original geometry and internal diameters, the line supports correct fuel metering, which translates to engine running smoothness and proper cooperation with the control electronics.

Benefits of Using an Original Audi Line

Using an original fuel injection pressure line in Audi A4 and A5 8T models allows for the maintenance of factory fuel system performance parameters. The most significant advantages include:

• factory fit to the injection system and engine accessories,
• correct routing of the line in the engine bay, reducing the risk of abrasion,
• maintenance of appropriate fuel flow characteristics,
• compatibility with Diesel engines used in this generation of Audi.

Choosing an original part from this group helps avoid problems typical of aftermarket alternatives, such as imprecise fit or altered flow parameters, which can affect injector and entire system operation.

Component Condition and Service Application

The offered line comes from an Audi vehicle and is classified as a used part. This type of component is particularly useful for:

• injection system repairs after mechanical failure or leaks,
• servicing diesel engines where pressure lines have been damaged,
• restoring the factory fuel system configuration after incorrect modifications.

Using a used OEM line is an economical solution while maintaining compliance with the fuel system's original construction specifications.

Professional Installation and Operational Recommendations

Due to the nature of the fuel injection pressure line's operation, installation by an experienced service center, following manufacturer procedures, is recommended. In practice, this includes:

• thorough cleaning of seats and mating surfaces,
• checking the condition of other injection system components,
• using appropriate tightening torques for connections,
• checking system for leaks after engine start-up.

A correctly installed line supports stable injection system operation, which is important for engine durability, as well as for emissions and fuel consumption.

System Expansion – Related Components and Technical Knowledge

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

For drivers interested in a broader context of engine accessory repairs and an economical approach to using used parts, a practical guide may be helpful: When is it Worth Replacing an Alternator with a Used One: A Practical Guide for Drivers. Although it concerns a different component, it effectively demonstrates how to make informed service decisions when choosing components from the secondary market.