Mercedes W204 W212 W221 W906 Diesel OM651 Fuel Injector A6510700587 is an original component of the diesel engine fuel system, designed for OM651 units in popular Mercedes models. The precisely selected injector nozzle ensures stable diesel engine operation, proper fuel metering, and correct compatibility with the factory control unit.
Specifications and technical data
- SKU: A6510700587-1
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6510700587
- Substitutable numbers: A6510700587, A 651 070 05 87
- Fuel type: Diesel
- Category: Fuel Injectors
Application in OM651 Engine and Compatibility
The presented fuel injector is a component of the injector nozzles category, designed for use in OM651 diesel engines found in Mercedes C-Class (W204), E-Class (W212), S-Class (W221), and W906 commercial vehicles. The injector's design is adapted to the operating parameters of diesel units, allowing for the maintenance of appropriate injection pressure and correct fuel atomization characteristics.
By adhering to factory design specifications, the injector is compatible with the engine's original equipment, fuel system, and vehicle electronics. This is a solution for users who expect consistency with factory specifications and wish to avoid issues with aftermarket replacements.
Injector Construction and Operating Characteristics
A diesel fuel injector is responsible for precise metering of diesel fuel into the combustion chamber. Key aspects of this type of construction include:
- precise fuel spray formation – ensuring uniform mixture combustion in the cylinder,
- stable operation at high pressure – essential for modern diesel units,
- resistance to thermal loads – resulting from operation within the diesel engine's combustion chamber.
A properly selected injector nozzle influences the engine's running smoothness, reduces smoke, improves throttle response, and maintains correct combustion parameters. Proper fuel injection is also important for protecting the particulate filter and other exhaust system components.
Benefits of Using an Original Injector Nozzle
Choosing the correct fuel injector for an OM651 diesel engine translates into a range of practical operational benefits:
- maintaining correct power and torque – thanks to proper fuel metering,
- stable idle operation – reducing vibrations and uneven engine running,
- reduced risk of excessive smoke – correct fuel atomization promotes clean combustion,
- better compatibility with the exhaust gas treatment system – proper injection reduces the load on the DPF filter and catalytic converter,
- maintaining factory fuel consumption parameters – with a functional fuel system and correct calibration.
For Mercedes diesel units, using the appropriate injector nozzle directly impacts engine durability, turbocharger performance, and overall powertrain reliability.
Condition, Verification, and Part Selection
The offered injector is a used part, allowing for an economical restoration of the injection system's functionality while maintaining compliance with original specifications. Before installation, it is recommended to:
- verify compatibility with the OEM part number and interchangeable numbers in the vehicle documentation,
- check operating parameters on a diagnostic bench – especially when installing in engines with high mileage,
- have it installed by an experienced service center specializing in diesel injection systems.
This approach minimizes the risk of starting issues, uneven running, or error codes stored in the engine control unit after replacing the component.
Technical Support and Additional Materials
If you need other components from the Mercedes injector nozzles category, check out our dedicated offer: Mercedes injector nozzles. You will find a wide selection of components for various models and engine versions of this brand.
When planning an injection system repair, it is advisable to familiarize yourself with typical symptoms of wear and failure. Detailed information on this topic can be found in the article: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails. This is a practical source of knowledge on diagnostics and the consequences of driving with a faulty injector.
