Ford Mondeo Mk4 Galaxy S-Max Brake Servo Pipe Hose 2.0 TDCi 9G91-2420-BKA

Ford Mondeo Mk4 Galaxy S-Max Brake Servo Pipe Hose 2.0 TDCi is an original brake system component, designed specifically to work with the factory brake servo. Thanks to its precise fit for Ford models with the 2.0 TDCi engine, it ensures stable vacuum and predictable brake pedal response, which translates into safe and consistent brake system performance. This used OEM component is a sensible choice for maintenance when you want to maintain factory braking characteristics at an attractive price.

Specifications and technical data

• SKU: RHD-1683985
• Mark: Ford
• Condition: Used
• OEM Part Number: 9G91-2420-BKA
• Substitutable numbers: 61319877889, 61316822518, 61319385029, 61319355233, 61319350899, 61319349037, 61319349035, 61319318730, 9877889, 6822518, 9385029, 9355233, 9350899, 9349037, 9349035, 9318730
• Category: Brake Servos

Purpose and function in the brake system

The described brake servo pipe is responsible for transferring vacuum from the engine to the servo, which assists the pressure applied to the brake pedal. In Ford Mondeo Mk4, Galaxy, and S‑Max models with the 2.0 TDCi unit, this element is precisely matched to the engine bay geometry, which minimizes the risk of chafing, leaks, and collisions with other components.

A properly selected servo pipe:

• ensures stable brake assistance across the full range of engine loads,
• reduces increased braking distance resulting from vacuum loss,
• decreases the risk of a hard brake pedal during emergency braking,
• maintains the factory operating characteristics of the Servo system and brake force regulators.

Advantages of using an original Ford pipe

Unlike universal replacements, the original Ford servo pipe is designed for a specific vehicle platform. This means:

• exact fit of length and shape for the Mondeo Mk4, Galaxy, and S‑Max 2.0 TDCi,
• factory connection diameters, which facilitates installation on servo and manifold ports,
• appropriately selected wall stiffness, limiting pipe collapse under high vacuum,
• compatibility with original brackets and routing in the engine bay.

As a result, installation is efficient, and the risk of leaks or incorrect pipe routing is significantly lower. This is particularly important in vehicles used intensively, where the brake system operates under variable thermal conditions.

Condition, verification, and service application

The item comes from dismantling and is intended for reinstallation in Ford vehicles where a functional servo vacuum pipe is required. This type of part is worth considering in case of:

• symptoms of a hard brake pedal or temporary loss of assistance,
• confirmed leaks in the vacuum system,
• repairs of the brake servo and brake force regulators,
• comprehensive brake system renovation in cars with a 2.0 TDCi engine.

Choosing a used OEM element is particularly beneficial in vehicle segments where maintaining original operating characteristics is important, while simultaneously optimizing service costs.

Integration with the Servo system and brake force regulators

The pipe works with the factory brake servo and brake force regulator, creating a cohesive system responsible for the distribution of braking force between the axles. A properly functioning pipe:

• ensures adequate assistance regardless of vehicle load,
• stabilizes pressure in the hydraulic system by maintaining constant vacuum,
• allows for maintaining predictable vehicle behavior during emergency braking.

This is especially important in larger models, such as the Galaxy and S‑Max, where the vehicle's mass and potential passenger load require an efficient and well-tuned brake system.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the braking zone in your Ford and need other elements from the same group, such as vacuum pipes, servo elements, or brake force regulators, check the available parts in the Ford Brake Servos and Regulators category.

When working with used OEM components, it is worth knowing good service practices, leak testing procedures, and safe installation principles. Practical tips regarding the selection and operation of used components can be found in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years, which discusses, among other things, upgrade scenarios and examples of using dismantled parts.

To maintain full driving comfort and safety, it is also worth taking care of systems that work with the brakes, such as cabin ventilation and heating. Practical advice on the selection and maintenance of these components can be found in the guide Air conditioning and heating – part selection and maintenance for year-round comfort, which helps plan the service of the entire vehicle in a consistent and effective manner.