Audi Q7 4L 3.0TDI Diesel Feed And Return Fuel Pipe Line Tube Hose 7L6130308C

Audi Q7 4L 3.0TDI Diesel Feed And Return Fuel Pipe Line Tube Hose is an original fuel system component from the Lines, hoses and pipes group, designed for diesel engines. It ensures stable fuel flow in the supply and return circuit, which directly impacts the engine's performance and operational safety.

Specifications and technical data

• SKU: 7L6130308C
• Mark: Audi
• Condition: Used
• OEM Part Number: 7L6130308C
• Substitutable numbers: 7L6130308C, 7L6 130 308 C
• Fuel type: Diesel
• Part type: Line
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The pipe has been specifically designed for Diesel engines in the Audi Q7 4L 3.0 TDI model, where it is responsible for the precise delivery of fuel to the engine and its controlled return to the tank. Using a single assembly of supply and return lines reduces the number of connections, which minimizes the risk of leaks and simplifies maintenance.

The properly selected diameter and geometry of the pipe support correct operating pressure in the system, which translates into stable injection parameters, smooth engine operation, and predictable responses to load.

Construction and technical properties

The component belongs to the Lines, hoses and pipes group, meaning it has been constructed to operate in an environment of diesel fuel, variable temperatures, and vibrations generated by the chassis and the engine. The pipe routing is matched to the factory mounting points in the Audi Q7 4L, which facilitates installation and allows for maintaining the original fuel line path.

This type of solution limits the possibility of chafing and unwanted stress, and also supports maintaining proper tightness of connections with other fuel system components, such as the pump, filter, or fuel rail.

Benefits of using an original pipe

• Factory fit for the Audi Q7 4L 3.0 TDI fuel system, with no modifications required.
• Coherent routing of the supply and return pipe in one assembly, which simplifies installation.
• Reduced risk of leaks due to maintaining original geometry and mounting points.
• Support for stable diesel engine operation by maintaining proper fuel flow.

For the user, this means more predictable operation, easier diagnostics of potential fuel system faults, and the ability to maintain the manufacturer's factory standards.

Condition and service application

The item is offered as a used fuel pipe, which allows for an economical repair of the supply system while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial for comprehensive service work on older Audi Q7 4L models, where both technical compliance and rational maintenance costs are important.

The pipe will prove useful when replacing a damaged or leaking fuel system, as well as a component to restore the correct fuel line routing after previous non-factory modifications.

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

If you are considering a wider use of original parts from dismantling in premium class cars and want to better understand the advantages of such a solution, it is worth reading the article Used parts for Mercedes – original parts from dismantling, which discusses the practical aspects of selecting and operating used components.