Audi A3 8V 2.0 TDI Quattro High Pressure Fuel Injection Pipe Hose 04L131582F

Audi A3 8V 2.0 TDI Quattro High Pressure Fuel Injection Pipe Hose is an original component from the Lines, hoses and pipes group, designed for the diesel engine fuel system in versions with Quattro drive and an automatic transmission. It ensures a leak-proof fuel supply in the demanding operating environment of a diesel unit, supporting the stable operation of the injection system and the safe use of the vehicle.

Specifications and technical data

• SKU: 04L131582F
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L131582F
• Substitutable numbers: 04L131582F, 04L 131 582 F
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Hoses, Lines & Pipes

Purpose and technical function

The fuel pipe used in the Audi A3 8V 2.0 TDI Quattro is responsible for the controlled flow of diesel fuel between the components of the supply system. The design is tailored to the specifics of a diesel engine, where high pressures and increased requirements regarding resistance to vibrations and temperature changes prevail. The component works with the automatic transmission, which means its routing and shape are matched to the layout typical for this drivetrain configuration.

Thanks to the factory fitment for the specific Audi model, the correct fuel routing geometry is maintained, stresses at the connections are minimized, and the risk of leaks at critical points in the system is reduced.

Construction and compatibility with the fuel system

As an element from the Lines, hoses and pipes group, the fuel pipe has been designed for stable mounting in the engine bay and a secure connection with other system components. The shape, diameter, and arrangement of the connections are in accordance with Audi's factory specifications, which facilitates installation without the need for modifications or the use of adapters.

Properly selected pipe materials ensure resistance to diesel fuel, as well as typical operational loads: vibrations from the engine unit, temperature changes, and operating pressures. Such compatibility translates into stable operation of the injection system and limits the risk of fuel pressure drops resulting from leaks or deformation of the pipe.

Application in diesel engines and automatic transmissions

In Audi A3 8V 2.0 TDI Quattro diesel units, proper fuel flow is crucial for dosing precision, engine refinement, and exhaust emissions. The use of a dedicated fuel pipe supports:

• maintaining the correct pressure in the diesel supply system,
• stable operation of the injectors under various engine loads,
• reducing the risk of air ingress or fuel leaks.

The configuration with an automatic transmission requires proper routing of the pipe in the engine bay so that it does not interfere with the components of the transmission and the Quattro drive. The factory fitment of this component allows for maintaining the original installation path, which facilitates service and subsequent leak checks.

Condition, benefits of choosing OEM parts, and installation

The offered fuel pipe is a used component, which allows for an economical repair while maintaining the advantages of an original Audi part. Compared to aftermarket replacements, the OEM component ensures consistency in shape, mounting points, and material characteristics with the factory design, which is particularly important in precise diesel supply systems.

Choosing an original fuel pipe means, among other things:

• easier installation thanks to the preservation of factory mounting points,
• consistency with the existing fuel installation and engine accessories,
• reducing the risk of problems with matching diameters and connections.

To ensure full system tightness, it is recommended to have the installation performed by an experienced service center, with a check of the condition of the seals and the correct positioning of the pipe relative to other elements in the engine bay.

Complementary elements and technical knowledge

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 lines, flexible hoses, or rigid supply pipes, check the available parts in the Audi lines, hoses and pipes category.

When choosing between new and used fuel system components, it is worth relying on reliable technical data and cost analysis. The article comparing the durability and cost-effectiveness of various solutions may be helpful – you can find a detailed discussion in the material New or used? A comparison of costs and quality of car parts, which makes it easier to make an informed service decision.