Mercedes W213 W223 W907 AdBlue Additive Fuel Injection Nozzle Diesel A0004905100

Mercedes W213 W223 W907 AdBlue Additive Fuel Injection Nozzle Diesel is an original exhaust gas treatment component designed for Mercedes diesel engines. It precisely doses the AdBlue solution into the exhaust stream, supporting the efficient operation of the emission reduction system and stable engine performance. This is a solution for users who want to keep the SCR system in their Mercedes in proper operating condition.

Specifications and technical data

• SKU: A0004905100-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004905100
• Substitutable numbers: A0004905100, A 000 490 51 00
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and function of the AdBlue injector

The presented injector belongs to the Injector nozzles group and operates within the diesel engine's exhaust gas treatment system. Its task is to evenly atomize the AdBlue solution in the exhaust duct so that the reaction in the SCR catalyst proceeds stably and the nitrogen oxide emission level remains within acceptable limits. A properly functioning nozzle translates into predictable engine operation, reduction of limp mode, and compliance with emission standard requirements.

Benefits of using an original Mercedes component

The AdBlue injector from the Mercedes brand ensures a design tailored to the specific architecture of the exhaust system and engine management. This means correct atomization parameters, the appropriate spray angle, and flow characteristics matched to the engine control unit calibration. Using an original nozzle reduces the risk of system errors, uneven dosing, or premature wear of exhaust system components. For the user, this means, among other things:

• stable operation of the AdBlue system in a diesel engine,
• reduced risk of exhaust gas treatment system fault messages,
• maintenance of correct emission parameters in daily operation.

Technical and operational characteristics

The AdBlue injector operates in the demanding thermal environment of the exhaust system, which is why material resistance and a properly designed spray geometry are essential. This component works with the AdBlue solution supply system and the engine controller, which selects the dose of the reducing agent based on load, temperature, and rotational speed. A properly selected nozzle allows for maintaining a balance between effective emission reduction and AdBlue consumption. The product is offered in a used condition, which allows for an economical replacement of the component while maintaining the original design specifications. For many users, this is a reasonable compromise between repair costs and maintaining compliance with the manufacturer's factory solutions.

Diagnostics and prevention of the AdBlue injection system

Improper operation of the AdBlue injector may manifest itself, among other things, by a decrease in the effectiveness of the SCR system, the appearance of warning messages on the dashboard, or the engine entering a limited power mode. In such situations, it is worth verifying the condition of the nozzle, the tightness of the lines, and the correctness of the control. Regular inspection of AdBlue system components helps avoid costly repairs to the catalyst or particulate filter. If you want to better understand how problems with supply components in diesel engines manifest themselves and what the consequences of neglecting them might be, read the article: Diesel injector faults – how to recognize them and what are the risks of neglecting them. This is a practical supplement to your knowledge when planning diagnostics of the injection system and its associated components.

A comprehensive approach to the Mercedes injection system

If you are planning a comprehensive repair or upgrade of the injection system area in your Mercedes and need other components from the same group, such as nozzles, atomizers, or dosing elements, check the available parts in the Mercedes injector nozzles category. By using consistent components from the same design group, it is easier to maintain predictable diesel engine performance, optimize the combustion process, and reduce the risk of recurring faults within the exhaust gas treatment and supply system.