Audi A4 B8 2.0 TDI CNHC Adblue Fuel Filter Hose Line Tube Pipe 8K0131967D

Audi A4 B8 2.0 TDI CNHC Adblue Fuel Filter Hose Line Tube Pipe is a component from the Lines, hoses and pipes group, designed for the diesel engine fuel supply system. It enables stable fuel routing in Audi vehicles with the 2.0 TDI CNHC unit equipped with an AdBlue system, supporting the proper operation of the fuel filter and the entire system.

Specifications and technical data

• SKU: 8K0131967D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0131967D
• Substitutable numbers: 8K0131967D, 8K0 131 967 D
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The presented fuel filter hose / pipe is dedicated to Diesel engines in the Audi A4 B8 with the CNHC unit and AdBlue system. It is responsible for safe, leak-proof fuel routing between system components, which is crucial for stable pressure, correct filtration, and reducing the risk of air entering the system.

A properly selected fuel line in this model:

• ensures compatibility with the geometry of the Audi A4 B8 engine bay,
• minimizes stress on the fuel filter connectors and other components,
• reduces the risk of fuel leaks under road operating conditions.

Benefits of using an original Audi line

The component comes from the Audi line, which translates into a factory-perfect fit for the specific 2.0 TDI CNHC engine configuration with AdBlue. As a result:

• compatibility with the stock fuel filter and engine accessories is maintained,
• there is no need for alterations, custom end fittings, or mounting modifications,
• the fuel system operates under the conditions specified by the vehicle manufacturer.

This solution is particularly beneficial when servicing cars with an advanced exhaust gas treatment system, where proper routing of fuel and additive lines affects component durability and operating parameter stability.

Condition, installation, and service application

The product is offered as a used original component, which allows for an economical repair of the fuel system while maintaining compliance with Audi's factory specifications. It is suitable both for replacing a damaged line and for comprehensive fuel system service in vehicles used intensively.

In workshop practice, such a line is used, among other things, when:

• a leak or crack in the existing hose has been identified,
• starting problems occur due to air being sucked into the system,
• it is necessary to replace several fuel system components after a collision or mechanical interference.

Technical support and additional information

Due to the specific nature of diesel engines with AdBlue in Audi vehicles, choosing the correct fuel line is important for the durability of the injectors, pump, and filter. It is worth verifying the part's compatibility with the specific engine version and vehicle model year using the manufacturer's markings and catalog data.

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 hoses, or breather pipes, check the available parts in the Audi lines, hoses and pipes category.

For users interested in a broader context of operating this brand's vehicles with all-wheel drive and diesel engines, an article discussing various AWD systems may be useful – more information can be found in the material xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW.