Vacuum Pipe Mercedes W204 C207 Hose Brake Servo Unit Line A2044303629

The Brake Booster Vacuum Hose for Mercedes W204 / C207 is a component from the Hoses, Tubes, and Pipes category, designed for the braking system in diesel-powered vehicles. It ensures a stable supply of vacuum to the brake booster, which translates to predictable brake pedal operation and safe deceleration. A used original part is a sensible choice for drivers seeking a technically matched component at an attractive price.

Specifications and technical data

• SKU: rhd-A2044303629
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: A2044303629
• Substitutable numbers: A2044303629, A 204 430 36 29, KZ
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Application and Function of the Vacuum Hose

The brake booster vacuum hose in Mercedes W204 and C207 models is responsible for transporting vacuum from the pump or manifold to the brake booster. In diesel vehicles, stable vacuum is crucial for the proper functioning of brake assist, therefore the seal and correct diameter of the hose directly impact braking effectiveness.

A properly selected hose:

• ensures adequate assistance for brake pedal pressure,
• reduces the risk of vacuum loss during hard braking,
• maintains correct brake booster operation across the full range of engine loads.

Compatibility with Diesel Braking Systems

The presented vacuum hose is designed for vehicles with a diesel engine, where the vacuum generation system differs from solutions used in gasoline units. The hose's construction is adapted to the operating characteristics of diesel engines, including higher loads and prolonged operation at constant RPMs.

Selecting a hose compatible with the diesel braking system allows for:

• maintaining stable brake assist across the entire speed range,
• minimizing the risk of delayed brake pedal response,
• preserving the original operating parameters of the braking system.

Product Characteristics and Installation Advantages

As a component from the Hoses, Tubes, and Pipes group, the brake booster vacuum hose is designed to work with factory-specified spigots and mounting points in the engine bay. This facilitates installation and reduces the need for system modifications. A used component allows for economical repair while maintaining a design consistent with the factory solution.

The main advantages of this solution include:

• compatibility with Mercedes W204 / C207 diesel braking systems,
• preservation of the original hose routing geometry in the engine bay,
• the ability to restore correct brake booster operation without interfering with other components.

Why Choose a BMW OE Brake Booster Vacuum Hose

An original BMW OE class component ensures consistency with factory quality and manufacturing standards. For safety-critical components like the brake booster vacuum hose, using parts with a known technical specification is particularly important. A used OEM part offers a compromise between cost and the certainty of a perfect fit for the specific braking system.

If you need other BMW Hoses, Tubes, and Pipes for your vehicle, check out the BMW hoses, tubes, and pipes available in our store to select components that match the rest of your system.

Operation of the System in Diesel Vehicles

A functional brake booster vacuum hose is one of the elements influencing the overall condition of the fuel system and the operation of a diesel engine. Leaks in the vacuum circuit can lead to improper operation of auxiliary equipment, extended braking distances, and unpredictable vehicle behavior during hard braking.

To better understand the relationships between the fuel system, engine accessories, and auxiliary components, it is worth reading the guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. This will allow for informed planning of service and parts selection for diesel vehicles.