Mercedes W203 Sprinter W906 Fuel Pressure Sensor OM611 OM612 A0041531428

Mercedes W203 Sprinter W906 Fuel Pressure Sensor OM611 OM612 is a component from the Air and fuel intake sensors group, designed for diesel engines. It ensures precise pressure measurement in the fuel supply system, which translates into stable engine operation and correct fuel dosage control.

Specifications and technical data

• SKU: A0041531428
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0041531428
• Substitutable numbers: A0041531428, A 004 153 14 28
• Fuel type: Diesel
• Category: Air Intake & Fuel Sensors

Purpose and function of the sensor

The fuel pressure sensor in OM611 and OM612 engines is responsible for real-time reading of the diesel injection system's operating parameters. The signal from the sensor is sent to the engine control unit (ECU), which uses it to adjust the fuel dose, injection timing, and rail pressure, all of which are crucial for smooth engine operation.

A properly functioning sensor helps reduce smoke, improves idle quality, and supports maintaining stable RPM across the full load range. This is particularly important in commercial and passenger vehicles, where parameter repeatability and predictable engine behavior are essential.

Benefits of using an original Mercedes sensor

Using a sensor from the Air and fuel intake sensors group dedicated to OM611/OM612 units allows for maintaining the factory characteristics of the injection system. The appropriate electrical and mechanical specifications translate into:

• proper cooperation with the engine control unit without the need for adaptation,
• stable cold and warm starts,
• more predictable throttle response,
• reduced risk of the engine entering limp mode due to incorrect pressure readings.

For the user, this means more repeatable performance, better fuel consumption control, and a lower risk of unplanned downtime related to fuel system failures.

Technical characteristics in the context of a diesel system

The sensor has been designed to work with diesel fuel systems, where operating pressures are significantly higher than in gasoline units. The component's design accounts for:

• resistance to high operating pressures in the fuel rail,
• operation in an environment of oily fuel of varying quality,
• signal stability across a wide range of engine operating temperatures.

As a result, the sensor can be used both in urban conditions and during long-distance operation, where the injection system works under constant load.

Product condition and service application

The offered item is in used condition, which allows for cost-effective fuel system repair while maintaining the manufacturer's original specifications. This solution is particularly beneficial when servicing older Mercedes models, where a reasonable balance between repair costs and maintaining correct engine performance parameters is key.

The fuel pressure sensor is suitable both as a replacement part for typical faults (rail pressure errors, starting problems, limp mode) and as part of preventive maintenance during major work on the injection system.

Integration with the fuel system and diagnostics

When selecting a sensor for a specific vehicle, it is recommended to use the OEM number and interchangeable part numbers, as well as data from computer diagnostics. A correctly selected component minimizes the risk of signal incompatibility and eliminates the need for additional installation modifications.

To better understand the role of this component in the entire fuel system, it is worth reading the guide on diagnostics and operation available in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. You will find practical tips there regarding error interpretation, selecting parts by OEM numbers, and the principles of proper fuel system component regeneration.

A sensible choice of a used part

Choosing a used fuel pressure sensor allows for significantly lower repair costs while maintaining the manufacturer's original specifications. This is especially important in the case of heavily used vehicles, where the fuel system is subject to natural wear and periodic repairs.

If you want to better plan your service budget and consciously use the second-hand parts market, the guide how to save on car service by choosing used OEM parts may be helpful, as it describes practical strategies for selecting components and typical areas where used parts perform particularly well.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as air temperature sensors, mass air flow sensors, or additional fuel pressure sensors, check the available parts in the Mercedes Air and fuel intake sensors category.