Mercedes Sprinter W906 OM651 Diesel Gas Exhaust Temperature Sensor A0009058804

Mercedes Sprinter W906 OM651 Diesel Gas Exhaust Temperature Sensor is a precision exhaust system component designed for diesel engines, responsible for the accurate measurement of exhaust gas temperature. Thanks to this sensor, the engine control unit can stably and controllably manage the combustion process and the operation of components responsible for exhaust gas treatment, which translates into safe operation of the powertrain.

Specifications and technical data

• SKU: A0009058804
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009058804
• Substitutable numbers: A0009058804, A 000 905 88 04, KD
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and role in the exhaust system

The exhaust gas temperature sensor in W906 family models with the OM651 engine works with the diesel fuel system, monitoring operating conditions in the exhaust stream. It belongs to the group of components referred to as Lambda sensors and O2 sensors, which are responsible for providing key data to the engine control unit. A properly functioning sensor enables, among other things, temperature control near the diesel particulate filter and other exhaust system components, which is important for the durability of the entire system.

Benefits of using an original Mercedes sensor

Choosing an exhaust gas temperature sensor dedicated to the OM651 unit ensures:

• consistency of measurement parameters with factory engine control unit settings,
• stable operation of the exhaust gas treatment system in the diesel engine,
• reduced risk of overheating exhaust system components,
• better control over diesel particulate filter regeneration processes.

Thanks to this sensor, the control system can react faster to changes in load and temperature, which promotes smooth engine operation and limits unwanted thermal overloads.

Product characteristics and fitment

The presented exhaust gas temperature sensor is a Mercedes brand component, designed for use with the OM651 engine powered by Diesel fuel. It belongs to the Lambda sensors and O2 sensors category, meaning it is part of the system for monitoring exhaust composition and flow conditions. Using a dedicated solution allows for compatibility with the factory electrical installation and control unit logic, without the need for software modifications.

The product has OEM markings and interchangeable numbers (visible in the technical specification), which facilitates verification of compatibility with a specific vehicle configuration. If necessary, these data can be compared with information from the rating plate or service documentation to confirm correct fitment.

Condition, origin, and service application

The exhaust gas temperature sensor is offered in Used condition, which is a beneficial solution for users looking for an economical yet functional alternative to a new part. The component comes from disassembly, so it can be used both for standard replacement of a worn sensor and for diagnosing exhaust system problems in a diesel engine.

Before installation, a standard service procedure is recommended: checking the electrical harness, connectors, and the mounting thread in the exhaust system. A properly installed sensor allows for restoring correct exhaust temperature readings and limiting the occurrence of errors related to the operation of the exhaust gas treatment system.

Technical support and further information on used electronics

If you want to better understand when choosing used electronic components – such as controllers, modules, or sensors – makes sense from a technical and economic perspective, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips on selecting and verifying used components there.

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