Audi A8 D4 Adblue Tank Reservoir Bottle Bracket Mount Holder Support 4H0131979B

Audi A8 D4 Adblue Tank Reservoir Bottle Bracket Mount Holder Support is a precision mounting component from the Fuel tanks and filler pipes group, designed specifically for the luxury Audi vehicle architecture. It is responsible for the stable and secure seating of the AdBlue tank, which directly impacts the proper operation of the exhaust emission reduction system and the vehicle's operational comfort. This solution is intended for users who wish to restore the factory mounting geometry without compromising on fitment.

Specifications and technical data

• SKU: 4H0131979B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0131979B
• Substitutable numbers: 4H0131979B, 4H0 131 979 B
• Category: Fuel Tanks & Filler Necks

Purpose and function of the AdBlue tank mounting bracket

The presented bracket is an original mounting component dedicated to the Audi A8 D4 generation model, working in conjunction with the AdBlue system integrated into the exhaust gas cleaning system. Its task is to provide stable support and guidance for the AdBlue tank within the chassis, in order to reduce vibrations, displacement, and stress acting on the hoses and connection ports.

A properly selected mounting bracket allows for maintaining the correct position of the tank relative to the chassis, which minimizes the risk of leaks, mechanical damage, and improper operation of the dosing system. As a result, the emission reduction system remains stable during long-term operation, even under higher loads and on uneven surfaces.

Benefits of using an original Audi component

The AdBlue tank mounting bracket from the Audi range has been designed for the specific chassis geometry of the A8 D4, which translates into:

• Factory fitment to the mounting points in the chassis without the need for modifications.
• Appropriately selected structural rigidity and flexibility, reducing the transfer of vibrations to the tank.
• Compatibility with original covers, hoses, and adjacent components in the mounting zone.
• Consistency with factory Audi service procedures, which facilitates diagnostics and potential future repairs.

By using an original bracket, you can maintain the integrity of the entire fuel and emission system, which is particularly important in premium class vehicles where both durability and operational refinement are valued.

Product characteristics and condition

The offered bracket comes from the Audi parts line and is classified in the Fuel tanks and filler pipes group, meaning it was designed to operate in the demanding environment of the chassis. The item is marked as used, which in practice means it has already been in service in a vehicle but is still suitable for further installation after standard workshop verification. Such components are often chosen in situations where the priority is to maintain the original design while optimizing repair costs.

The bracket is particularly useful when replacing damaged mounts following a collision, local corrosion, or interference in the AdBlue tank mounting zone. It allows for restoring proper tank guidance and relieving stress on other system components, which reduces the risk of secondary failures.

Technical support, OEM selection, and fuel system integration

Selecting an AdBlue tank mounting bracket should always be combined with checking the entire fuel supply and storage system. Proper identification by OEM number or vehicle data helps avoid compatibility issues and speeds up installation. For users who want to deepen their knowledge regarding the diagnostics and operation of components responsible for storing fuel and additives, the following article will be useful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are planning a comprehensive repair or upgrade of the fuel supply and storage area in your Audi and need other elements from the same group, such as brackets, clamps, or guide elements, check the available parts in the Audi fuel tanks and filler pipes category.

Summary of application in the Audi A8 D4

Audi A8 D4 Adblue Tank Reservoir Bottle Bracket Mount Holder Support is a practical solution for users who want to restore proper tank mounting after mechanical damage or modifications in the chassis zone. The original design ensures proper fitment with the chassis and other components, which facilitates installation and subsequent service maintenance.

By choosing this element, you gain a component tailored to the specifics of the Audi A8 D4, which supports the stable operation of the AdBlue system and helps maintain the vehicle's compliance with exhaust emission requirements, without the need for compromise-based aftermarket solutions.