The Mercedes Sprinter W906 Diesel OM651 fuel injector nozzle is an original fuel system component designed for OM651 diesel engines. Precisely selected diesel spray characteristics support stable engine operation, proper combustion, and smooth engine performance in the Sprinter W906.
Specifications and technical data
- SKU: A6510703087-2
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6510703087
- Substitutable numbers: A6510703087, A 651 070 30 87
- Fuel type: Diesel
- Category: Fuel Injectors
Purpose and Role in the Injection System
The fuel injector nozzle for the Mercedes Sprinter W906 diesel engine is responsible for precisely atomizing the fuel dose in the combustion chamber. In the OM651 diesel engine, the correct spray pattern and proper fuel injection timing are crucial for:
- maintaining even operation of all cylinders across the full load range,
- stable idle speed without jerking or misfires,
- reducing smoke and excessive particulate matter emissions,
- efficient diesel fuel combustion, which translates to fuel consumption and dynamics.
A correctly selected injector nozzle is particularly important in commercial vehicles like the Sprinter W906, where the engine often operates under heavy load and in varying conditions.
Benefits of Using an Original Injector Nozzle
Using an original injector nozzle in the OM651 engine ensures parameters consistent with the engine's factory specifications. In practice, this means:
- correct spray angle and pattern matched to the OM651 engine's combustion chamber,
- improved engine performance during cold starts and at high operating temperatures,
- reduced risk of piston overheating caused by improper fuel atomization,
- stable operation of the common rail injection system at high operating pressures.
An original part with preserved nozzle geometry is often a better choice than cheap aftermarket alternatives with uncertain characteristics, especially in demanding diesel engines.
Injection System Diagnostics and Prevention
A worn or damaged injector nozzle can cause a range of operational problems, from uneven engine running and increased fuel consumption to mechanical engine damage. If you experience symptoms such as smoking, knocking in the cylinder, or starting difficulties, it is advisable to diagnose the entire injection system.
To better understand the symptoms that may indicate diesel injector problems and the consequences of neglecting them, it is recommended to read the article: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails. This provides practical knowledge when planning repairs or replacements of injection components in the Sprinter W906.
Practical Installation Tips
When replacing an injector nozzle in the OM651 engine, it is recommended to:
- maintain absolute cleanliness in the work area to prevent contaminants from entering the high-pressure system,
- use appropriate tightening torques in accordance with Mercedes service documentation,
- replace seals and washers according to the manufacturer's procedure,
- check injector operating parameters after installation using computer diagnostics.
Professional installation and parameter verification after replacement allow for the full utilization of the installed injector nozzle's potential and reduce the risk of repeat service interventions.
Other Mercedes Injector Nozzles
If you are looking for other Mercedes injector nozzles for different models or engine configurations, check the available items in the Mercedes injector nozzles category. This will allow you to select fuel system components precisely for your specific vehicle version and diesel engine.
