Mercedes W907 Brake Servo Booster Master Cylinder Unit A9104300100

The Mercedes W907 Brake Servo Pump is an original component of the braking system from the servos and brake force regulators category, designed for Mercedes vehicles. A used OEM part is a sensible choice for drivers and workshops looking for a proven component with factory fit, without the need to invest in a new assembly.

Specifications and technical data

• SKU: A9104300100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9104300100
• Substitutable numbers: A9104300100, A 910 430 01 00
• Category: Brake Servos

Technical Characteristics and Purpose

The Mercedes W907 brake servo pump is responsible for assisting the braking pedal force and ensuring stable operation of the entire system. Thanks to its construction in line with factory Mercedes standards, it ensures predictable vehicle behavior during braking, which is crucial for both daily use and intensive operation of a commercial vehicle.

The component belongs to the servos and brake force regulators category, meaning it works with other brake hydraulics components, maintaining appropriate pressure and brake force proportions between axles. Using an original assembly reduces the risk of compatibility issues and facilitates future diagnostics.

Benefits of Using an Original Brake Servo

Choosing a factory solution for the braking system directly impacts driving safety and comfort. This type of brake servo pump offers, among others:

• factory fit for the braking system of a specific generation of Mercedes vehicles,
• consistency with the operating parameters of the brake force regulator,
• stable brake assist under various vehicle loads,
• easier integration with the existing installation without the need for modifications.

For workshops and service centers, this means more efficient installation and a lower risk of complaints, and for the end-user – predictable vehicle response to brake pedal application.

Part Condition and Installation Aspects

The brake servo pump offered in this variant is a used part obtained from disassembly. Such components are often chosen when an optimal cost-to-functionality ratio is important, while maintaining the original manufacturer's specifications.

Before installation, the standard workshop procedure is recommended: checking system tightness, verifying correct connection of hoses, and bleeding the brake hydraulics according to the service procedure for the specific model. A correctly installed servo supports even brake operation and helps maintain stable working pressure.

Operation, Maintenance, and Lifespan

To maximize the potential of a used brake servo, it is advisable to ensure regular maintenance of the entire braking system – including periodic replacement of brake fluid and inspection of hoses and calipers. Practical tips on caring for disassembled parts, including braking system components, can be found in the article How to Extend the Lifespan of Used Car Parts, which discusses proven methods for maintaining used parts.

If you are considering a broader vehicle upgrade or combining servo replacement with other modifications, the guide Buying Used Car Parts – Common Mistakes When Choosing Components for Tuning may also be helpful, allowing you to avoid typical problems when selecting components from the aftermarket.

Summary

The Mercedes W907 Brake Servo Pump is a practical solution for users and service centers that need an original braking system component in a used version. The combination of factory fit, compatibility with Mercedes vehicle construction, and a reasonable purchase cost makes it an attractive option for repairs and maintenance of the braking system in cars of this series.