Fuel Pump Mercedes W205 W447 OM626 OM651 Delivery Sensor Sender A2054701494

Fuel Pump Mercedes W205 W447 OM626 OM651 Delivery Sensor Sender is an original diesel fuel supply system component designed for diesel engines in vehicles of this series. Thanks to its factory design, it ensures stable fuel pressure and precise fuel delivery to the engine, which translates into proper engine operation and operational safety. This is a solution for users looking for a proven fuel pump for a Mercedes in a used condition, while maintaining performance parameters consistent with the manufacturer's requirements.

Specifications and technical data

• SKU: A2054701494
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054701494
• Substitutable numbers: A2054701494, A 205 470 14 94
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel supply system

The described pump belongs to the Fuel pumps and level sensors group and operates in the diesel engine fuel supply system, responsible for transporting and properly preparing fuel for injection. In diesel units, maintaining proper pressure and stable flow is crucial, which is why using a component structurally matched to the specific OM626 and OM651 engine series helps reduce the risk of starting problems, power drops, or uneven engine operation.

Benefits of using an original fuel pump

Using an original fuel pump in Mercedes diesel cars brings a number of practical benefits:

• maintaining factory operating parameters of the injection system,
• better compatibility with the engine control electronics,
• reducing the risk of leaks and fuel pressure drops,
• more predictable engine behavior across the full load range.

For users who use their car intensively, repeatability of operating characteristics is also important – the original fuel pump provides parameters consistent with the manufacturer's specifications, which facilitates future diagnostics and service.

Technical characteristics and fitment

The pump has been designed to work with diesel engines, so its construction is adapted to the properties of diesel fuel, including operation at higher pressures and the requirements of modern injection systems. The use of appropriate materials and geometry of working elements allows for:

• maintaining stable fuel supply across a wide temperature range,
• reduction of pressure fluctuations in the lines,
• proper cooperation with fuel filtration and other system components.

As an original Mercedes brand component, the pump is structurally matched to the mounts, fuel connections, and wiring layout in the given model, which facilitates installation and limits the need for system modifications.

Product condition and practical application

The fuel pump is offered in used condition, which allows for an economical repair of the fuel supply system while maintaining the original manufacturer's specification. This solution is particularly beneficial for vehicles used on a daily basis, where reasonable service costs are important while maintaining proper diesel engine operation. Replacing a worn pump with a functional unit of this type can solve problems with difficult starting, engine stalling under load, or recurring errors related to fuel pressure.

If you are planning a comprehensive repair or upgrade of the fuel supply system area in your Mercedes and need other elements from the same group, such as additional pumps, supply modules, or fuel level sensors, check the available parts in the Mercedes fuel pumps and level sensors category.

Selection by part numbers and technical support

When selecting a fuel pump for a specific vehicle, it is crucial to verify compatibility by OEM number or interchangeable numbers and to match it to the engine type and vehicle model year. In case of doubt, it is worth consulting a mechanic or a Mercedes brand specialist to ensure that the selected component will work with the existing injection system and control electronics.

More practical information on how to safely use used components in modern cars can be found in the guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?