Audi A4 B7 Diesel NOX Lambda Oxygen Sensor 6 Pins Plug 03G906262M

Audi A4 B7 Diesel NOX Lambda Oxygen Sensor 6 Pins Plug is a component from the Lambda sensors and O2 sensors category, designed for Audi diesel systems. It enables precise measurement of exhaust gas composition in a diesel engine, supporting the correct operation of the engine control unit and stable performance parameters of the power unit.

Specifications and technical data

• SKU: 03G906262M
• Mark: Audi
• Condition: Used
• OEM Part Number: 03G906262M
• Substitutable numbers: 03G906262M, 03G 906 262 M
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The presented NOX / lambda sensor is designed to work with Diesel engines in the Audi A4 B7 model, where it is responsible for monitoring exhaust gas composition and nitrogen oxide content. A properly functioning sensor of this type allows the engine control unit to dose fuel appropriately, maintain stable engine operation, and reduce the emission of harmful compounds.

The six-pin plug ensures multi-channel communication with the vehicle's electrical system, which allows for the transmission of detailed information to the control system. As a result, the exhaust system can operate under optimized conditions, and the vehicle's electronic diagnostics receive reliable measurement data.

Connector construction and installation aspects

The component is equipped with an electrical connector with six pins, which allows for a stable connection to the vehicle's wiring harness and reduces the risk of signal interference. This connector configuration is characteristic of solutions used in modern emission control systems in Audi diesel engines.

As a part from the Lambda sensors and O2 sensors group, the product is intended for installation in the exhaust system, in a location factory-prepared by the vehicle manufacturer. In practice, this means it can be used as a replacement for the factory component, maintaining electrical and functional compatibility, provided the correct variant for the specific vehicle is selected.

Performance characteristics and condition

The offered item is in used condition, meaning it has been removed from a vehicle and was previously in operation. This type of solution is often chosen as an economical alternative to new components, especially in the case of specialized sensors used in diesel engines.

Choosing a used NOX / lambda sensor can be beneficial in situations where you want to reduce repair costs while maintaining compatibility with the factory installation. However, it is always crucial to properly match the component to the specific engine version and vehicle equipment configuration.

Benefits of a properly selected NOX / lambda sensor

• Stable operation of the diesel engine thanks to reliable exhaust gas composition data.
• Support for the emission reduction system and compliance with environmental standards.
• Better cooperation with the on-board diagnostic system, facilitating fault detection.
• Ability to restore proper exhaust system operation after the failure of the previous sensor.

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

Used electronics and sensors – what to look out for

When choosing a used NOX / lambda sensor, it is worth paying attention to compatibility with the engine control system and the origin of the component. It is also good practice to perform diagnostics after installation to confirm proper cooperation with the vehicle's electronics and the absence of new errors in the controller's memory.

If you want to better understand when choosing used electronic components makes sense and how to approach the selection of such elements, the following article will be helpful: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?