Audi Q7 4L VW Touareg 7L 3.0 TDI Fuel Tank Breather Valve Pipe Hose 059130218H

Audi Q7 4L VW Touareg 7L 3.0 TDI Fuel Tank Breather Valve Pipe Hose is an original component from the Lines, hoses and pipes group, designed for the 3.0 TDI diesel engine fuel system. This used OEM component ensures factory-standard fitment, stable fuel routing, and proper operation of the injector overflow system, which contributes to smooth engine performance.

Specifications and technical data

• SKU: 059130218H-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130218H
• Substitutable numbers: 059130218H, 059 130 218 H
• Category: Hoses, Lines & Pipes

Purpose and technical function

The offered set of fuel overflow lines is dedicated to Audi Q7 4L and VW Touareg 7L models with the 3.0 TDI engine. The component is responsible for draining excess fuel from the injectors to the return system, stabilizing pressure in the rail, and reducing the risk of air ingress. By maintaining the original geometry of the lines and the correct internal diameter, the injection system can operate under predictable conditions, which promotes correct fuel dosage and repeatable combustion parameters.

Benefits of using original overflow lines

Using a factory set of overflow lines in the Audi Q7 4L and VW Touareg 7L 3.0 TDI allows you to maintain compliance with the vehicle manufacturer's design. In practice, this means:

• reliable fuel routing in the return circuit without uncontrolled leaks,
• reduced risk of uneven engine operation resulting from problems in the overflow circuit,
• easier diagnostics of the injection system thanks to the retention of the stock line layout,
• no need for modifications to mounts and brackets in the engine bay.

A used OEM component is a sensible choice when servicing the fuel system, especially when you want to combine factory fitment with repair cost control.

Component condition and service application

The fuel overflow lines come from dismantling and are offered as a used part, which allows for an economical repair of the fuel system in the Audi Q7 4L and VW Touareg 7L 3.0 TDI. This type of component is particularly useful for:

• replacing damaged or leaking overflow lines,
• restoring the stock configuration of the fuel system after previous modifications,
• comprehensive injector service when it is necessary to restore the correct fuel return circuit.

Thanks to the preservation of the original routing of the lines, installation is predictable, and the risk of installation errors is minimized.

Technical support and additional information

Before purchasing, it is worth comparing the shape and layout of the connectors with the part currently installed in your vehicle to confirm compatibility with your specific 3.0 TDI engine version. In case of doubts regarding part selection, the vehicle manufacturer's catalog data or a consultation with a mechanic specializing in Audi and Volkswagen brands may be helpful.

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

For VW model users interested in optimizing service costs, a guide describing when used components from dismantling are a reasonable alternative to new service parts may be useful – you can find it in the article VW cars: economical restoration of full efficiency thanks to parts from professional dismantling.