Mercedes Sprinter W906 OM651 Diesel Vacuum Pump Pipe Line Hose A6510708432

The Mercedes Sprinter W906 OM651 Vacuum Hose is a component of the vacuum system designed for diesel engines, responsible for stable vacuum transmission to cooperating sub-assemblies. By maintaining the original geometry and diameter of the hose, it ensures the correct operation of the vacuum control system in the diesel engine. This is a practical solution for users who want to restore proper engine accessory function without altering the vehicle's construction.

Specifications and technical data

• SKU: A6510704800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510704800
• Substitutable numbers: A6510704800, A 651 070 48 00, A6510708432, A 651 070 84 32
• Fuel type: Diesel
• Category: Vacuum Pumps

Application in the Diesel Engine Vacuum System

The vacuum hose in the OM651 engine plays a crucial role in distributing the vacuum generated by the vacuum pump to actuators such as cylinders or control valves. In diesel engines, stable vacuum is essential for the proper functioning of many auxiliary functions, therefore, the correct selection of the hose directly impacts engine running smoothness and accessory response.

The offered component belongs to the Vacuum Pumps group, meaning it is designed to work with the factory vacuum generation and distribution system in Mercedes diesel vehicles. Maintaining the original hose routing minimizes the risk of leaks, kinks, and drops in working pressure.

Benefits of Using an Original Vacuum Hose

Using a hose dedicated to a specific engine unit helps avoid problems typical of universal replacements. In practice, this means, among other things:

• secure fit to the vacuum system ports,
• adequate resistance to temperature and operating conditions in the engine bay,
• maintenance of proper hose stiffness and flexibility,
• reduction of micro-leakage risks affecting accessory operation.

For diesel engines where many functions depend on vacuum, a functional vacuum hose is an important element for maintaining stable engine operating parameters and proper cooperation with the vacuum pump.

Selection by OEM Number and System Integration

The hose is designed as a component compliant with the manufacturer's factory specifications, which facilitates identification and selection by OEM number and vehicle catalog data. This allows a mechanic or user to precisely match the part to a specific OM651 engine configuration without the need for installation modifications. The presence of interchangeable numbers in the technical specification further supports the selection process in case of manufacturer changes during the model's lifecycle.

In practice, installation involves recreating the original hose routing between the vacuum pump and other vacuum system components, which helps maintain factory flow parameters and system response speed.

Component Condition and Service Purpose

The offered vacuum hose is a part from the aftermarket, making it an attractive option for routine maintenance or repairs aimed at restoring the vacuum system's functionality in the Mercedes Sprinter W906 diesel. This type of part is particularly useful in situations where symptoms such as reduced effectiveness of vacuum-controlled components, unstable accessory operation, or errors related to insufficient vacuum occur.

Replacing the hose with a component compliant with factory specifications can, in many cases, eliminate leaks and restore correct vacuum levels throughout the system, leading to more predictable vehicle behavior in daily operation.

Technical Support and Additional Resources

If you are planning a comprehensive engine area repair or upgrade for your Mercedes and need other parts from the same group, such as vacuum hoses, connectors, or components cooperating with the vacuum pump, check the available parts in the Mercedes Vacuum Pumps category.

To better understand the relationships between the fuel system and diesel engine operation, as well as the correct selection of components by OEM number, it is worth reading the guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. This will allow you to approach diesel engine servicing holistically and optimize your repair plan.