NOX Sensor Mercedes W177 W205 W907 Diesel Catalytic Converter Probe A0009053119

NOX Sensor Mercedes W177 W205 W907 Diesel Catalytic Converter Probe is a precision exhaust system component responsible for monitoring nitrogen oxide levels in diesel engine exhaust gases. By accurately measuring exhaust composition, it supports the operation of the exhaust gas treatment system and the engine control unit, helping to maintain stable engine performance parameters. This solution ensures compliance with emission standards and provides predictable vehicle behavior in daily operation.

Specifications and technical data

• SKU: A0009053119
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009050914
• Substitutable numbers: A0009053119, A 000 905 31 19, A0009050914, A 000 905 09 14
• Fuel type: Diesel
• Category: Oxygen Sensors

The role of the NOX sensor in a diesel exhaust system

The NOX sensor located in the catalytic converter area of Mercedes Diesel vehicles continuously analyzes exhaust gas composition, transmitting data to the engine control unit. Based on this information, the system manages fuel dosage, injection system operation, and exhaust treatment strategy, which affects engine refinement and power stability. A functional sensor reduces the risk of the engine entering limp mode and helps maintain the proper operation of the emission reduction system.

Benefits of using an original Mercedes sensor

This component from the Lambda probes and O2 sensors category, designed for Mercedes W177, W205, and W907 models, ensures proper integration with the vehicle's factory electronics. Precise measurement parameters translate into:

• stable engine operation across the full load range,
• proper functioning of exhaust emission control systems,
• reduced risk of exhaust-related error codes,
• better repeatability of diagnostic results.

As a result, the NOX sensor at the catalytic converter is an important element for professional exhaust system repairs in modern diesel units.

Selection and application in Mercedes vehicles

The presented sensor is designed for Mercedes vehicles from the W177, W205, and W907 families equipped with diesel engines. Before installation, it is recommended to verify part compatibility with the specific vehicle version using the OEM part number and available replacement numbers in the technical specification. This helps avoid compatibility issues and ensures proper communication with the factory ECU software.

Characteristics of the used product

The offered sensor belongs to the Used parts group, meaning it has been removed from a vehicle and was previously in operation. Such components are a popular choice for servicing modern exhaust systems when maintaining original specifications while optimizing repair costs is a priority. A used NOX sensor can be a sensible solution when a brand-new part is difficult to obtain or significantly increases the total cost of the service operation.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Mercedes and need other components from the same group, such as probes, oxygen sensors, or additional exhaust sensors, check out the available parts in the Mercedes Lambda probes and O2 sensors category.

When choosing electronics for the powertrain, it is worth knowing when it pays off to reach for aftermarket components. Practical tips on selecting used controllers, modules, and sensors can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

If you want to learn more about the subject of second-hand parts and dispel doubts regarding their quality and durability, the guide Used car parts: Myths and facts you need to know, which clarifies the most common opinions about components from dismantling, may also be helpful.