Ford Kuga C394 Brake Servo Booster Master Cylinder Unit 2.0 TDCI 6M51-2B195-BH

Ford Kuga C394 Brake Servo Booster Master Cylinder Unit 2.0 TDCI is a complete brake servo and master cylinder unit designed for the braking system of the diesel engine version. This OEM solution provides stable braking assistance, improving the comfort and predictability of the brake pedal operation in daily use. Thanks to the retention of the factory design, the component works perfectly with the vehicle's hydraulic and vacuum systems.

Specifications and technical data

• SKU: RHD-6M51-2B195-BH
• Mark: Ford
• Condition: Used
• OEM Part Number: 6M51-2B195-BH
• Substitutable numbers: 6M51-2B195-BH, 6M512B195BH
• Fuel type: Diesel
• Part type: Brake Servo
• Category: Brake Servos

Purpose and function in the braking system

The presented brake servo and master cylinder unit has been designed specifically for the Ford Kuga C394 model with a Diesel engine, which guarantees proper compatibility with the vacuum characteristics generated by the engine. This assembly is responsible for increasing the pressure force on the brake pedal, allowing the driver to achieve effective braking with less effort. Integrating the servo with the master cylinder minimizes the risk of leaks at the connections and facilitates the inspection of the entire hydraulic circuit. Properly selected mechanical leverage and hydraulic parameters translate into a predictable response of the braking system, which is particularly important in vehicles with higher curb weight and torque typical of diesel engines.

Advantages of using an original servo and master cylinder assembly

Using a complete assembly from the Brake Servos and Proportioning Valves category allows you to maintain the factory braking characteristics. Compared to randomly selected replacements, the original system:

• maintains the correct operating pressure in the brake circuits,
• ensures consistent operation with the factory ABS/ESP system,
• reduces the risk of uneven brake force distribution between the axles,
• facilitates bleeding and servicing of the system. As a result, the driver receives stable, repeatable pedal feel, which translates into greater control over the vehicle in emergency situations and during heavy braking from higher speeds.

Installation and operational characteristics

The complete servo and master cylinder assembly is an installation-friendly solution – the replacement is carried out in a single process, without the need to separately match individual components. This allows for shorter mechanic labor time and reduces the risk of installation errors, such as improper pushrod adjustment or leaks at hydraulic fittings. In the case of vehicles with a diesel engine, proper cooperation with the vacuum system is particularly important, which is why the selection of the correct servo has a direct impact on braking efficiency at both low and high engine speeds. The used OEM component retains the factory geometry and mounting points, which facilitates installation in place of the old unit without any structural modifications.

Why it is worth choosing a used OEM component

Choosing a used brake servo and master cylinder assembly is a reasonable compromise between cost and quality. The original component retains factory operating parameters while allowing for cost savings compared to a new part. This is particularly important during comprehensive brake system repairs, where flexible hoses, discs, and pads are often replaced as well. If you are planning a comprehensive repair or upgrade of the braking zone in your Ford and need other components from the same group, such as servos, proportioning valves, or other assistance components, check the available parts in the Ford Brake Servos and Proportioning Valves category.

Safety, comfort, and additional materials

A properly functioning brake servo and master cylinder has a direct impact on driving safety, but also on comfort – a brake pedal that is too hard or too soft makes it difficult to precisely dose the braking force. During service work, it is also worth taking care of other systems that affect vehicle comfort, such as air conditioning and heating, especially in cars used all year round. Practical tips on selecting used OEM components and service schedules can be found in the article Air conditioning and heating – part selection and maintenance for year-round comfort.