Fuel Pump Sensor Mini Cooper One D R55 R56 Diesel W16 High Pressure 0928400607

Fuel Pump Sensor Mini Cooper One D R55 R56 Diesel W16 High Pressure is a precision component of the diesel engine fuel system, responsible for stable fuel pressure regulation. Thanks to its application in the common rail system, it ensures repeatable operating parameters and correct diesel fuel dosing, which translates into engine performance and operational safety. This solution is dedicated to Diesel versions, designed specifically for the requirements of Mini models.

Specifications and technical data

• SKU: 7804961-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7804961
• Substitutable numbers: 13517804961, 7804961, 0928400607, KD
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented sensor works with the high-pressure pump in the Mini Cooper One D R55/R56 generation diesel engine, controlling fuel pressure parameters in the common rail. A properly functioning element of this type:

• stabilizes fuel pressure across a wide range of engine loads,
• supports precise injection control by the engine control unit (ECU),
• reduces the risk of power drops and uneven engine operation,
• helps maintain proper combustion of the mixture in the diesel engine.

As a result, the diesel fuel system maintains appropriate operating characteristics both during cold starts and during dynamic acceleration.

Compatibility and fit for Mini

The offered element comes from the Fuel pumps and level sensors group and is structurally adapted to the architecture of the Mini Cooper One D R55/R56 fuel system. Using a dedicated sensor instead of universal replacements facilitates installation and reduces the risk of communication issues with the engine control unit.

Additionally, the product has assigned interchangeable numbers, which facilitates compatibility verification by OEM number or manufacturer catalog, without the need for interference with the fuel installation.

Technical and operational characteristics

The sensor is designed to work with Diesel fuel, which means resistance to the specific conditions prevailing in high-pressure systems of diesel engines. The design of the element is prepared for operation under large pressure differences and in an environment with elevated temperatures, typical for the engine compartment.

As a used part, it comes from vehicle dismantling and is a cost-effective solution for users who want to restore the efficiency of the fuel system without investing in a new component. Such elements are commonly used in maintenance repairs, diagnostics of fuel pressure problems, and during the regeneration of high-pressure pumps.

Benefits of using a dedicated fuel pump sensor

• Better fit for the Mini engine control unit compared to universal replacements.
• Possibility to restore correct fuel pressure without interfering with other system components.
• Support for smooth injector operation and reduction of the risk of errors related to rail pressure.
• Economical solution for fuel system repairs in Mini diesel engines.

For workshops and individual users, this means faster diagnostics and the ability to replace the element in a predictable and repeatable manner, without the need for installation modifications.

Technical support and additional materials

To better understand the role of such elements in the entire fuel system, it is worth reading the guide describing the diagnostics and operation of pumps and injectors – this is discussed in detail in the article Fuel system – injectors, pumps and fuel tank: maintenance and regeneration, where you will find practical tips on selecting parts by OEM number and symptoms of wear.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mini and need other elements from the same group, such as additional sensors, pump elements, or components related to fuel level control, check the available parts in the Mini fuel pumps and level sensors category.