Audi A4 S4 8K A5 S5 8T AdBlue Tank Retaining Frame Bracket Mount 8K0131979C

Audi A4 S4 8K A5 S5 8T AdBlue Tank Retaining Frame Bracket Mount is an original structural component designed to provide stable support and guidance for the AdBlue tank in selected Audi models. It ensures secure mounting of the tank to the vehicle body, which translates into reliable operation of the exhaust emission reduction system and reduces vibrations and noise while driving. Thanks to its factory-spec geometry, the bracket maintains the correct position of the tank relative to other components.

Specifications and technical data

• SKU: 8K0131979C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0131979C
• Substitutable numbers: 8K0131979C, 8K0 131 979 C
• Category: Other Air & Fuel Delivery

Purpose and function of the AdBlue tank retaining bracket

The presented bracket is designed specifically for the Audi A4 / S4 8K generation and A5 / S5 8T generation models equipped with an AdBlue system. Its task is to stably maintain the tank in the position intended by the manufacturer, ensuring that hoses, sensors, and other system components operate within safe load ranges.

The properly selected geometry of the mounts limits the transfer of vibrations from the body to the tank, which reduces the risk of leaks and unwanted stress in the system. The bracket also supports proper hose routing, which is essential for system maintenance and diagnostics.

Benefits of using an original Audi bracket

Using the original AdBlue tank retaining bracket in the Audi A4 / S4 8K and A5 / S5 8T allows for maintaining factory mounting parameters and compatibility with existing body attachment points. This solution:

• ensures precise fit to the vehicle structure, without the need for modifications,
• facilitates the removal and reinstallation of the tank during service work,
• reduces the risk of improper tank support and resulting malfunctions,
• supports the maintenance of proper emission reduction system operation, which is important for compliance with environmental standards.

For workshops and private users, this means shorter assembly time, predictable repair progress, and a lower risk of claims related to improper tank mounting.

Component characteristics and practical application

The AdBlue tank retaining bracket is a structural element operating in harsh conditions – in an area exposed to moisture, road debris, and temperature fluctuations. A properly selected, original component allows for maintaining tank stability throughout the vehicle's service life. In practice, this is particularly important for cars used intensively, on long routes, or in variable climatic conditions.

Replacing the bracket is recommended in situations where mechanical damage, corrosion, deformation, or traces of previous repairs in the mounting area have been identified. Installing the correct component restores proper tank support and helps avoid secondary faults in the AdBlue system.

Product condition and assembly aspects

The offered bracket is a component removed from a vehicle, which allows for maintaining factory compliance with the Audi design. This type of part is particularly attractive for accident repairs, system reconstruction after mechanical damage, or restoring a car to full functionality after interventions in the area where the AdBlue tank is located.

Before installation, it is recommended to perform a standard verification of the mounting surfaces and bolt points on the body. A correctly installed bracket ensures even load distribution and stable tank support, which translates into trouble-free operation of the AdBlue system in the long term.

Technical support and additional materials

For users interested in a broader technical context of Audi models, including differences in the construction of powertrains and associated systems, the article describing the brand's sports variants may be helpful: Audi RS vs other models – what is hidden under the hood and chassis?. This is a good supplement to knowledge about the solutions used in modern Audi designs.

If you are planning a comprehensive repair or upgrade of the AdBlue system area in your Audi and need other elements from the same group, such as additional brackets, covers, or supports, check the available parts in the Other Audi category.

When planning broader service work, especially before the winter season, it is also worth familiarizing yourself with practical tips regarding the verification of used components and preparing the car for low temperatures: Winter essentials: which used car parts are worth checking and replacing before the frost?.