Audi A6 C8 AdBlue Injector Additive Injection Pump 2.0 TDI Diesel 05L131113K

Audi A6 C8 AdBlue Injector Additive Injection Pump 2.0 TDI Diesel is a precision component of the reducing agent dosing system in diesel engines, responsible for the proper delivery of AdBlue solution into the exhaust system. Thanks to this component, the exhaust gas treatment system in the Audi operates stably, and nitrogen oxide emissions are maintained at a level consistent with demanding standards. This solution allows for maintaining the efficiency of the SCR system and ensures predictable operation of the entire emission reduction system.

Specifications and technical data

• SKU: 05L131113K
• Mark: Audi
• Condition: Used
• OEM Part Number: 05L131113K
• Substitutable numbers: 05L131113K, 05L 131 113 K
• Fuel type: Diesel
• Part type: DEF Injector Noozle
• Category: Diesel Exhaust Fluid System Parts

Purpose and role in the exhaust gas treatment system

The Audi A6 C8 AdBlue Injector Additive Injection Pump operates in the immediate vicinity of the exhaust system, where it doses the appropriate amount of urea solution into the exhaust stream. A properly functioning component allows the engine control unit to precisely control the nitrogen oxide reduction process, which is important both for environmental protection and for the correct operation of the power unit. In the case of incorrect AdBlue dosing, errors may appear in the control unit, power loss may occur, or the vehicle may enter limp mode. Using a functional injector restores the stability of the SCR system, reduces the risk of clogging exhaust treatment components, and helps maintain emission parameters at the level intended by the manufacturer.

Benefits of using an original Audi component

The original component from the Exhaust gas treatment parts group is designed for the specific characteristics of the diesel engine, which translates into proper atomization and uniform mixing of AdBlue with exhaust gases. Thanks to this:

• the control unit can use factory-programmed dosing maps,
• the risk of incorrect atomization of the reducing agent is limited,
• compatibility with other exhaust system components is maintained. Using a dedicated injector helps avoid fitment issues and also minimizes the need for additional modifications or software adaptations.

Technical and operational characteristics

The injector operates in demanding temperature and chemical conditions, which is why its construction is adapted for contact with AdBlue solution and hot diesel exhaust gases. The component is designed to work with a diesel engine control system, which selects the appropriate dose of the reducing agent based on data from temperature and exhaust composition sensors. When replacing, it is important to maintain the correct mounting position and connection tightness to avoid leaks and incorrect atomization. In many cases, after installation, it is recommended to perform an adaptation procedure or an SCR system component test using an appropriate diagnostic interface, which allows for confirming the correct operation of the injector.

Part condition and practical application

The offered AdBlue injector is a used part, which in practice means the possibility of an economical repair of the exhaust treatment system while maintaining the original manufacturer's specifications. This type of component is particularly useful in situations where errors related to AdBlue dosing, uneven operation of the SCR system, or messages about limited future starting capability appear. The selection of the correct component should always be based on the OEM number and vehicle data. To minimize the risk of error, a practical guide will be helpful – detailed tips can be found in the article Guide: how to choose the right car part by VIN and OEM number, where the step-by-step verification method for part compatibility is described.

Support in selecting parts for Audi

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 reducing agent injectors, dosing control modules, or solution supply lines, check the available parts in the category Audi exhaust gas treatment parts. When selecting original used components for premium vehicles, it is also worth using the VIN number – practical tips on how to do this effectively for brands such as Audi can be found in the material How to choose original used parts for BMW, Audi, and Mercedes by VIN number?, which will facilitate the selection of compatible exhaust gas treatment components.