Audi Q7 4M AdBlue Injector Reduction Agent Valve 3.0 TDI Diesel 059131113H

Audi Q7 4M AdBlue Injector Reduction Agent Valve 3.0 TDI Diesel is an original dosing system component designed for 3.0 TDI diesel engines in the Audi Q7 4M generation. This component, originating from the AdBlue injection system, ensures precise delivery of the solution into the exhaust stream, supporting the efficient operation of the Selective Catalytic Reduction (SCR) system and the stable performance of the engine.

Specifications and technical data

• SKU: 059131113H-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059131113H
• Substitutable numbers: 059131113H, 059 131 113 H
• Fuel type: Diesel
• Color: Blue
• Category: Additional Fuel Injection Parts

Purpose and function of the AdBlue injector

The AdBlue injector in the Audi Q7 4M is responsible for the precise dosing of the urea solution into the exhaust stream of the diesel engine. A properly functioning component helps maintain the efficiency of the SCR catalyst, reduce NOx emissions, and minimize the risk of the powertrain entering limp mode. This is particularly important in modern 3.0 TDI units, where the engine control unit monitors the operating parameters of the entire exhaust treatment system very precisely. This element belongs to the Other injection system parts group, meaning it works in conjunction with other components of the fuel supply and exhaust treatment system, while performing a specialized function in the area of AdBlue dosing in a diesel engine.

Construction, color, and performance parameters

The presented injector is adapted for operation in a diesel-powered system integrated with an SCR system. The blue housing color facilitates quick identification of the component associated with the AdBlue system, which is helpful during diagnostics and service work in the engine bay or the exhaust system area. The design solution provided by the manufacturer ensures stable mounting and proper routing of the working medium, which translates into uniform atomization of the solution and correct cooperation with sensors and the engine control unit. As a result, the emission reduction system remains consistent with Audi's factory specifications.

Condition, origin, and benefits of using a used part

The offered AdBlue injector is a used part, sourced from the dismantling of an Audi vehicle. Choosing an original second-hand component allows you to maintain the factory operating characteristics of the injection system and SCR system, while reducing repair costs compared to purchasing a new element. This is a particularly attractive solution for users who want to maintain a high level of reliability within a rational service budget. The use of original used parts is increasingly recommended as a compromise between durability and operating economy. If you are interested in the broader context of the cost-effectiveness of such solutions, it is worth reading the article on our blog: economical operation of cars using original used parts.

Selection, installation, and service aspects

When selecting an AdBlue injector for an Audi Q7 4M with a 3.0 TDI engine, it is crucial to match it to the specific engine version and exhaust system configuration. An original component from the same family of sub-assemblies ensures proper cooperation with the vehicle's electronics, which reduces the risk of errors in the engine control unit and adaptation problems. During installation, it is recommended to:

• thoroughly clean the mounting socket and AdBlue supply lines,
• check the tightness of connections after installation,
• perform computer diagnostics to verify the correct operation of the SCR system. This approach allows you to maintain stable diesel engine operating parameters and avoid the recurrence of faults related to urea solution dosing.

System expansion and related parts

If you are planning a comprehensive repair or upgrade of the injection and exhaust treatment area in your Audi and need other elements from the same group, such as additional injectors, medium supply lines, or control valves, check the available parts in the Other Audi injection system parts category. For users who are simultaneously servicing the powertrain (clutch, transmission, 4x4 drive), a technical guide describing diagnostics and component selection may also be helpful: clutch and dual-mass flywheel diagnostics and selection of parts for the powertrain. This makes it easier to plan a more complete scope of service work around the diesel engine and related sub-assemblies.