Audi Q3 8U Engine Breather Fuel Pipe Line Hose 2.0 TDI Diesel 7N0130307D

Audi Q3 8U Engine Breather Fuel Pipe Line Hose is a component from the Lines, hoses and pipes group, designed for the diesel engine fuel supply system. It enables precise fuel flow and fuel temperature monitoring, which contributes to stable engine operation and correct engine control unit calibration. Thanks to its factory origin from the Audi brand, it maintains a perfect fit for installation in the Q3 8U model with a 2.0 TDI engine.

Specifications and technical data

• SKU: 7N0130307D
• Mark: Audi
• Condition: Used
• OEM Part Number: 7N0130307D
• Substitutable numbers: 7N0130307D, 7N0 130 307 D
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel pipe integrated with a temperature sensor operates within the diesel engine fuel system, responsible for safely routing fuel between system components and transmitting fuel temperature data to the vehicle's electronics. A properly functioning fuel temperature sensor supports:

• accurate fuel dosing by the injection system,
• stable cold and hot starts,
• maintenance of optimal combustion parameters in the diesel engine.

A pipe configured in this way is essential for maintaining the smooth operation of the 2.0 TDI unit and reducing the risk of errors related to fuel parameter readings.

Construction and fitment for Audi Q3 8U

The component has been designed as part of the fuel system in Audi vehicles, taking into account the engine bay geometry and routing in the Q3 8U model. The appropriate shaping of the pipe and factory connectors allow for:

• secure connection with other fuel system components,
• reduction of mechanical stress during engine operation,
• maintenance of tightness under typical operational loads.

As a result, installation in a vehicle with a 2.0 TDI engine is straightforward, with no need for system modifications.

Operational characteristics of the used component

The offered fuel pipe with a temperature sensor is a used part, meaning it has been removed from a vehicle and was previously in service. Such OEM components are often chosen as a reasonable alternative to new replacements because they:

• retain the original vehicle manufacturer's specifications,
• allow for reduced repair costs while maintaining appropriate quality,
• facilitate fitment to the existing installation without additional modifications.

Before installation, it is recommended to perform a standard visual inspection and check for leaks, as well as verify the correct operation of the temperature sensor in conjunction with the vehicle's electronics.

Benefits of using an original fuel pipe

Using an original fuel pipe with a temperature sensor in a diesel engine translates into a number of practical service and operational benefits:

• Consistency with the fuel system – the component was developed for the specific architecture of the Audi fuel system, which promotes seamless integration.
• Stable engine operating parameters – correct fuel temperature readings support the ECU in maintaining proper injection maps.
• Reduced risk of leaks – matched connectors and the correct pipe length reduce the risk of improper installation.

For users who want to further optimize service costs while maintaining original parts, the following article describing strategies for choosing components from the secondary market may be helpful: Rising repair costs and the boom in used parts – how to save on car service?.

Expanding the Audi fuel system – related components

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