Mercedes W447 Vacuum Pipe Brake Booster Servo Line Hose A4475015100

Mercedes W447 Brake Booster Vacuum Hose is an original component of the braking system, belonging to the Hoses, Tubes, and Lines group. Specifically designed for Mercedes V-Class/Vito W447 generation models, it ensures stable vacuum supply to the brake booster and proper functioning of brake assist. This is a practical solution for users who want to restore the system's factory performance without modifications or fitting aftermarket parts.

Specifications and technical data

• SKU: A4475015100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475015100
• Substitutable numbers: A4475015100, A 447 501 51 00
• Category: Hoses, Lines & Pipes

Purpose and Technical Function

The brake booster vacuum hose in the Mercedes W447 is responsible for a safe and sealed connection between the vacuum pump and the brake booster. A correctly selected component:

• maintains stable vacuum in the brake assist system,
• minimizes the risk of reduced braking effectiveness,
• eliminates leaks typical of worn or ill-fitting hoses,
• ensures compliance with the factory routing geometry in the engine bay.

Thanks to its design that meets manufacturer requirements, the hose maintains appropriate rigidity and flexibility, which facilitates installation and reduces stress at mounting points.

Original Mercedes Part – Benefits of Use

As a product of the Mercedes brand, the brake booster vacuum hose is matched to the W447 braking system in terms of diameter, length, and shape. In practice, this means:

• secure fit with the vacuum pump and brake booster spigots,
• no need for installation modifications or the use of additional connectors,
• preservation of the factory operating parameters of the brake assist,
• easier diagnostics and servicing in the future.

Using an original OEM hose is a solution that maintains the consistency of the entire braking system with the manufacturer's specifications, which is important for both safety and the durability of other components.

Condition, Selection, and Installation

The component is offered in used condition, allowing for an economical yet technically correct repair of the braking system. Before installation, a standard check of its seal, the condition of the spigots and working surfaces is recommended, as well as verification of compatibility with your specific W447 engine variant based on the OEM part number and interchangeable numbers available in the specifications.

The hose should be installed in the existing factory brackets and guides, paying attention to:

• avoiding kinks and twists along its entire length,
• proper seating on the spigots,
• using appropriate clamps or connectors consistent with the hose's design.

Why Choose a Used OEM Hose

In the case of the braking system, maintaining factory operating parameters is particularly important. A used OEM hose for the Mercedes W447 often proves to be a better choice than a cheap aftermarket alternative because it was originally designed for specific loads, temperatures, and operating conditions. This reduces the risk of unforeseen problems, such as micro-leaks or improper routing in the engine bay.

If you want to better understand when a used original part will be more beneficial than an aftermarket one, the following article may be helpful: 5 Reasons Why a Used OEM Part is a Better Choice Than an Aftermarket Replacement.

Expanding the Braking System in the Mercedes W447

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other components from the same group, such as additional vacuum hoses, flexible hoses, or rigid tubes for carrying working fluid, check the available parts in the Mercedes Hoses, Tubes, and Lines category.