Mercedes Sprinter W906 Vacuum Pipe Brake Booster Servo Line Hose A9064350725

Mercedes Sprinter W906 Vacuum Pipe Brake Booster Servo Line Hose is an original vacuum system component from the Lines, hoses and pipes group, designed for use in Mercedes vehicles. The used component allows for an economical yet technically correct repair of the vacuum control system, maintaining the factory routing of the hose and proper operating parameters.

Specifications and technical data

• SKU: rhd-A9064350725
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9064350725
• Substitutable numbers: A9064350725, A 906 435 07 25
• Category: Hoses, Lines & Pipes

Technical characteristics of the vacuum hose

The presented vacuum hose is a component designed for operation in pressure-differential controlled systems, typical for OM626 power units in Mercedes W205 models. The hose construction is adapted for operation in the engine compartment, where variable temperatures and vibrations occur, which is why it is essential to use the original shape and internal diameter to maintain proper vacuum flow.

Properly profiled sections of the hose facilitate its routing between engine accessory components, minimizing the risk of kinks, abrasions, or leaks. As a result, the vacuum control system – including actuators, valves, and other components – can operate under stable conditions, which translates into predictable engine performance.

Application in the Mercedes vacuum system

The vacuum hose in the OM626 engine is responsible for transporting vacuum between individual control elements, such as control valves or actuators. In the event of a leak or damage to the hose, disturbances in system operation may occur, manifesting as, among others, a drop in performance, unstable engine operation, or errors recorded in the ECU.

Using an original hose from the Lines, hoses and pipes group allows for restoring correct vacuum values in the system without the need to modify the installation. This is particularly important in modern diesel units, where many functions – from boost control to exhaust system components – rely on precisely controlled vacuum.

Benefits of using an original hose

Choosing an original vacuum hose for a Mercedes W205 with an OM626 engine provides several practical service benefits:

• maintenance of the factory hose routing in the engine compartment,
• reduction of the risk of leaks resulting from mismatched diameter or shape,
• stable operation of the vacuum control system,
• easier diagnostics in the future thanks to compliance with the manufacturer's service documentation.

For workshops and individual users, this means faster installation, fewer potential points of failure, and the ability to maintain consistency with other system components.

Component condition and installation aspects

The offered vacuum hose is a used component, which allows for reducing repair costs while maintaining the manufacturer's original specifications. Before installation, a standard visual inspection for any signs of wear is recommended, as well as proper seating on the connectors, using appropriate fittings or clamps, in accordance with the service procedure for the given model.

Proper placement of the hose in the engine compartment – while maintaining factory mounting points – limits mechanical and thermal loads, which extends the trouble-free operation time of the vacuum system.

System expansion – other Mercedes lines and hoses

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as vacuum lines, supply hoses, or return pipes, check the available parts in the Mercedes lines, hoses and pipes category.

For users interested in comparing technical solutions used in different brands and models – including sports versions – an article discussing differences in engine, brake, and chassis construction may be helpful, available here: Audi RS vs other models – what is hidden under the hood and chassis?.