Mercedes C117 W176 W242 OM651.901 Fuel Injector Hoses Pipes Set A6510703033

Mercedes C117 W176 W242 OM651.901 Fuel Injector Hoses Pipes Set is a set of original fuel system components designed for OM651 diesel engines. The hose set ensures precise delivery of diesel fuel to the injectors, which translates into stable engine operation and correct injection characteristics. This is a solution for users who expect component consistency and the maintenance of factory fuel system operating parameters.

Specifications and technical data

• SKU: A6510703033
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510703033
• Substitutable numbers: A6510703033, A 651 070 30 33
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and role in the fuel system

The fuel injector hose set is responsible for transporting high-pressure diesel fuel from the common rail to individual injectors in the OM651 engine. Properly selected and leak-free hoses are crucial for:

• maintaining stable pressure in the common rail system,
• correct fuel dosing by the injectors,
• reducing power drops and uneven engine operation,
• minimizing the risk of fuel leaks in the engine compartment.

By using a complete set of hoses, it is possible to maintain uniform flow characteristics across all cylinders, which promotes smooth operation of the diesel engine.

Compatibility with the OM651 engine and Mercedes vehicles

The presented set has been designed to work with the OM651 engine powered by Diesel fuel. The design of the hoses is adapted to the geometry of the cylinder head and the arrangement of the injectors in this engine series, which facilitates correct routing of fuel lines and their installation in the engine compartment.

Selecting components according to the OEM part number and interchangeable numbers allows for precise matching to a specific vehicle configuration, reducing the risk of discrepancies in shape, length, or type of connections. This is particularly important in the case of modern injection systems, where accuracy of component fitment affects the durability of the entire system.

Technical characteristics of the hose set

As an element from the Lines, hoses, and pipes group, the fuel injector hose set is adapted to operate under high-pressure conditions typical for common rail systems in diesel engines. The design of the hoses takes into account:

• resistance to pressure pulsations generated by the high-pressure pump,
• dimensional stability at elevated engine operating temperatures,
• appropriate shaping for routing in the engine compartment,
• the use of connectors enabling a tight connection with the rail and injectors.

A set configured in this way allows for the maintenance of repeatable injection parameters, which is important for both performance and the refinement of the engine's operation.

Benefits of using an original used set

Choosing a used fuel injector hose set for a Mercedes with an OM651 engine is a solution that allows for optimizing service costs while maintaining a design consistent with the manufacturer's factory specifications. Original components from this brand are designed for long-term operation, and their geometry and connection types are precisely matched to the specific fuel system.

In practice, this means:

• easier installation without the need for system modifications,
• preservation of the factory routing of hoses in the engine compartment,
• lower risk of stress and leaks resulting from improper positioning,
• consistency with other components of the diesel fuel system.

For workshops and individual users, this means a more predictable repair result and stable operation of the injection system after replacing the hoses.

Support with selection and additional information

When selecting fuel injector hoses for a specific Mercedes vehicle, it is worth using the OEM part number and interchangeable numbers to ensure full compatibility with the given engine and body version. In case of doubt, comparing the shape and arrangement of the connections with the currently installed elements is also helpful.

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 fuel lines, vacuum hoses, or fuel return pipes, check the available parts in the Mercedes lines, hoses, and pipes category.

Additional tips regarding the selection of used components, analysis of OEM markings, and practical aspects of installation in fuel supply and engine control systems are provided by the Global Parts guide – details can be found in the article on choosing used ECU modules and sensors.