Mercedes Sprinter W906 Brake Servo Booster Master Cylinder Unit A9064301408

Mercedes Sprinter W906 Brake Servo Booster Master Cylinder Unit integrated with the brake master cylinder is a factory-original brake system component designed for Mercedes commercial vehicles. The offered set from the Brake servos and pressure regulators group ensures stable transmission of pressure to the brake pedal, which translates into predictable and safe deceleration. This used OEM component is a solution for users looking for parts with a proven design at a reasonable price.

Specifications and technical data

• SKU: RHD-A9064301408-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9064301408
• Substitutable numbers: A9064301408, A9064310027, A 906 431 00 27, A9064310101, A906 431 01 01
• Part type: Brake Servo & Master Cylinder
• Category: Brake Servos

Technical characteristics and function in the brake system

The presented brake servo and master cylinder unit is responsible for increasing braking force and precise metering of pressure in the brake circuits. Thanks to the use of the original Mercedes design, the component works with the factory brake pump and pedal assembly, maintaining the correct force ratio and operating characteristics intended for the Sprinter W906.

Combining the servo with the master cylinder into one unit reduces the number of connections in the system, which decreases the risk of leaks and facilitates maintenance. This type of solution is particularly important in commercial vehicles, where the brake system operates under variable loads and must maintain repeatable efficiency across a wide range of operating conditions.

Compatibility, identification, and part group

As an OEM component from Mercedes, the brake servo and master cylinder unit has been designed specifically for the body geometry and brake system of the Sprinter W906. Proper fitment to the mounts, pedal rod length, and hydraulic connections allows for installation without structural modifications. The product has a dedicated part number and associated replacement numbers, which facilitates verification of compatibility with a specific vehicle version in the manufacturer's catalogs.

Due to its inclusion in the Brake servos and pressure regulators group, the part can be treated as a central element of an upgrade or repair of the brake system, especially in the case of symptoms such as a hard brake pedal, uneven assistance, or increased braking distance.

Condition, origin, and advantages of using a used part

The offered unit comes from disassembly and is classified as a used part, which allows for reduced repair costs while maintaining the manufacturer's original design. Unlike cheap replacements of unknown origin, the OEM component retains factory operating parameters, and its geometry and mounting method are consistent with the vehicle's technical documentation.

Choosing a used brake servo with a master cylinder is particularly beneficial for fleets, commercial vehicles, and intensively used cars, where operational predictability and ease of subsequent service are important. Maintaining the original specification also facilitates computer diagnostics and cooperation with the vehicle's safety systems.

Operation, maintenance, and part selection

To maximize the potential of the offered unit, it is worth ensuring proper bleeding of the brake system, using brake fluid with the specification recommended by the manufacturer, and regular inspection of line tightness. Proper operation and periodic maintenance allow for significantly extending the trouble-free service life of used brake system components.

When selecting a brake servo with a master cylinder, it is crucial to compare the OEM part number and interchangeable numbers with the vehicle documentation or the existing component. In case of doubt, it is worth using the advice of specialists or manufacturer catalogs to avoid problems with installation and compatibility.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as servos, brake pressure regulators, or complete power brake modules, check the available parts in the Mercedes brake servos and pressure regulators category.

To better take care of the durability of installed dismantled components, it is worth learning practical tips regarding their operation and maintenance – detailed advice can be found in the article How to extend the life of used car parts?.

If you want to additionally ensure that the selected component will be properly matched to your car and avoid misguided purchases, the expert guide No more bad purchases! How to professionally select used car parts may be helpful, in which the principles of selecting parts based on OEM markings and manufacturer specifications are discussed.