Ford B-Max Mk1 Brake Servo Master Cylinder Unit Petrol Engine AY11-2B195-BA

Ford B-Max Mk1 Brake Servo Master Cylinder Unit integrated with the brake master cylinder is a factory-original brake system component designed for the petrol engine version. It is a complete servo and brake master cylinder unit, engineered by Ford to provide stable, predictable, and comfortable braking force modulation during daily use.

Specifications and technical data

• SKU: RHD-AY11-2B195-BA
• Mark: Ford
• Condition: Used
• OEM Part Number: AY11-2B195-BA
• Substitutable numbers: AY11-2B195-BA, AY112B195BA
• Fuel type: Petrol
• Part type: Brake Servo & Master Cylinder
• Category: Brake Servos

Purpose and function in the brake system

The described brake servo and master cylinder unit belongs to the Brake servos and pressure regulators category and is responsible for assisting the pressure applied to the brake pedal and precisely distributing pressure within the brake circuits. In the Ford B-Max Mk1 with a petrol engine, this component works with the vacuum from the power unit, providing the driver with significantly lighter pedal operation and repeatable brake system response.

Combining the servo with the brake master cylinder into a single assembly reduces the number of hydraulic connections, which promotes pressure stability and facilitates the diagnosis of potential leaks. For the user, this means more linear, predictable braking and better vehicle control in emergency situations.

Compatibility with the petrol engine

The presented unit has been configured for the brake system of the petrol version of the Ford B-Max Mk1. This means it is matched to the vacuum characteristics generated by the petrol engine, as well as the parameters of the factory brake system of this model. Using the correct type of servo and master cylinder for a specific fuel type is crucial for maintaining proper assistance force and even pressure distribution in the circuits.

By maintaining the manufacturer's original configuration, installing this unit allows you to retain the factory feel of the brake pedal, which is important from both a safety and driving comfort perspective.

Characteristics of the used component

The offered brake servo and master cylinder assembly is a used part, sourced from vehicle dismantling. Such components are a popular choice as an economical alternative to new parts, while maintaining the original design and fitment for the specific model. In practice, this allows for reduced brake system repair costs while maintaining compliance with Ford's factory solutions.

When installing a used servo with a brake master cylinder, standard service procedures are recommended, such as thorough bleeding of the system and checking the tightness of lines and connections to fully utilize the potential of the offered component.

Benefits of using the original servo and master cylinder assembly

Using a factory-original brake servo and master cylinder unit in a Ford B-Max Mk1 offers a number of practical benefits:

• Original Ford design – maintaining geometry, mounting points, and operating parameters consistent with the manufacturer's specifications.
• Consistency with the brake system – matched to line diameters, caliper characteristics, and pressure distribution in the circuits.
• Natural brake pedal feel – predictable system response, essential during sudden braking and in daily city driving.
• Reduced risk of installation issues – no need for mounting adaptations or modifications to the installation, which are common with aftermarket alternatives of different designs.

Ford brake servos and pressure regulators – system expansion and service

If you are planning a comprehensive repair or upgrade of the braking area in your Ford and need other components from the same group, such as servos, pressure regulators, or complete assistance units, check out the available parts in the Ford brake servos and pressure regulators category.

How to maintain a used brake system

To maximize the potential of a used servo with a brake master cylinder, it is worth ensuring regular checks of brake fluid condition, line tightness, and caliper operation. Proper maintenance and service significantly affect the durability of the entire brake system, including components sourced from dismantling.

Practical tips on the operation and maintenance of used components can be found in the guide How to extend the service life of used car parts?, which describes, among other things, good service practices for brake system components.