Audi A5 F5 AdBlue Additive Tank Reservoir 2.0 TDI Diesel 8W0131878CC

Audi A5 F5 AdBlue Additive Tank Reservoir 2.0 TDI Diesel is an original exhaust emission reduction system component intended for diesel engines, designed specifically for Audi models. Thanks to its factory design, it ensures proper operation of the AdBlue system and stable dosing of the urea solution into the exhaust system. This used OEM component is a sensible choice for drivers who want to maintain the efficiency of the exhaust treatment system while keeping maintenance costs under control.

Specifications and technical data

• SKU: 8W0131878CC
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0131878CC
• Substitutable numbers: 8W0131878CC, 8W0 131 878 CC
• Fuel type: Diesel
• Part type: DEF Tank
• Category: Diesel Exhaust Fluid System Parts

Function and role in the exhaust treatment system

The AdBlue tank in the Audi A5 F5 is responsible for storing the urea solution used in the Selective Catalytic Reduction (SCR) system in Diesel engines. A properly functioning tank ensures:

• maintaining the correct amount of AdBlue fluid for the exhaust injection system,
• stable operating conditions for pumping elements and level sensors,
• cooperation with the electronics controlling the exhaust treatment system,
• compliance with the exhaust emission standards provided for the specific Audi model. By maintaining the original design, the nitrogen oxide reduction system can operate within the parameters specified by the manufacturer, which translates into trouble-free operation of the diesel vehicle.

Compatibility with the 2.0 TDI Diesel unit

The presented tank has been developed for cooperation with the 2.0 TDI unit in the Audi A5 F5 generation. This means it is matched in terms of:

• mounting geometry in the body,
• connections to the AdBlue installation and the exhaust system,
• electrical connectors responsible for communication with the control system. Such a solution allows for maintaining factory integration with the vehicle's electronics, without the need for installation modifications or the use of adapters. For workshops and users, this means shorter assembly time and a lower risk of diagnostic problems.

Characteristics of the original used part

The offered AdBlue tank comes from dismantling and is marked as a used part. In practice, this means that it:

• retains the factory specification of the Audi manufacturer,
• is structurally compatible with the exhaust treatment system in the Audi A5 F5,
• constitutes an economical alternative to a new element while maintaining original build quality. For many users, choosing an original second-hand part is a beneficial compromise between costs and durability, especially in the case of elements from the Exhaust treatment parts group, where proper operation has a direct impact on engine performance and diagnostic system messages.

Benefits of using an original Audi AdBlue tank

By installing this tank in an Audi A5 F5 with a 2.0 TDI Diesel engine, you gain a number of practical advantages:

• Full compatibility with the vehicle design – an element designed by the manufacturer for a specific model platform.
• Stable cooperation with the SCR system – proper supply of the AdBlue system helps reduce the risk of the engine entering emergency mode.
• Reduction of service costs – a used OEM part allows you to reduce expenses while maintaining factory technical solutions.
• Support for proper exhaust system operation – correct dosing of AdBlue fluid affects the effectiveness of emission reduction.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Audi and need other elements from the same group, such as dosing modules, supply lines, or other AdBlue system components, check the available parts in the Audi exhaust treatment parts category. When considering the purchase of original elements from dismantling, it is worth knowing the broader economic and operational context – you can find more on this topic in the article: Economical operation of Skoda cars – why original used parts are a beneficial solution, the conclusions of which can also be applied to vehicles of other VAG group brands, including Audi.