Audi Q7 4L Fuel Injection Line Pressure Pipe Diesel 4.2 TDI 057130241N

Audi Q7 4L Diesel Fuel Injector Line 4.2 TDI is a component from the Lines, Hoses, and Tubes category, designed for the diesel engine fuel system. The original design ensures proper high-pressure fuel delivery, stable operation of the 4.2 TDI unit, and maintenance of factory injection parameters. This is a solution for users who expect compliance with factory specifications and predictable fuel system behavior.

Specifications and technical data

• SKU: 057130241N
• Mark: Audi
• Condition: Used
• OEM Part Number: 057130241N
• Substitutable numbers: 057130241N, 057 130 241 N
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

The fuel injector line is responsible for precisely delivering diesel fuel to the injector in a Diesel engine. In the 4.2 TDI unit, it operates under high-pressure conditions, so its geometry, internal diameter, and end configuration are strictly matched to the specific Audi Q7 4L engine setup. Using the correct line minimizes the risk of leaks, pressure drops, and problems with engine starting and running smoothness.

Construction and Performance Parameters

This element belongs to the Lines, Hoses, and Tubes group, meaning it is designed for resistance to vibrations, temperature changes, and prolonged contact with diesel fuel. The line's shape is adapted to the Audi engine bay layout, which:

• ensures proper fuel routing without kinks or bends,
• minimizes mechanical stress at mounting points,
• facilitates servicing and access to adjacent components.

Appropriately selected line ends allow for a leak-proof connection to the rail or pump and the injector, which translates to stable system pressure and repeatable fuel doses.

Benefits of Using an Original Audi Line

Using an injector line dedicated to the Audi Q7 4L with a 4.2 TDI engine offers a range of practical operational benefits:

• Factory Fitment – maintains the original line routing and compatibility with engine accessories.
• Stable Injection System Operation – proper fuel pressure and flow contribute to even cylinder operation.
• Reduced Leakage Risk – correct end fitment and appropriate line stiffness reduce the risk of leaks.
• Operational Safety – a properly functioning fuel system reduces the risk of damage to other components, such as injectors or the high-pressure pump.

Component Condition and Service Application

The line is offered as a used part, allowing for economical repair of the fuel system while maintaining the original manufacturer's specifications. This type of component is suitable for both replacing a damaged line and for comprehensive servicing of the injection system in the 4.2 TDI engine when it's necessary to restore proper fuel delivery to individual cylinders.

If you have doubts about choosing between new and used fuel system components, an article discussing the differences in cost, durability, and quality might be helpful – find more information in the text Car Parts – New or Used? Comparing Costs, Quality, and Durability.

Selecting Other Audi Fuel System Components

If you are planning a more extensive service of your Audi's fuel system and also need other components from the group of fuel lines, return lines, or connectors between injectors and the rail, check the available parts in the Audi Lines, Hoses, and Tubes category.