Ford C-Max Mk2 Transit Connect Servo Brake Fluid Expansion Tank EV61-2K478-CC

Ford C-Max Mk2 Transit Connect Servo Brake Fluid Expansion Tank is an original brake system component from the Expansion tanks category, designed for use in Ford vehicles. Thanks to its factory design, it ensures proper supply of brake fluid to the brake master cylinder and stable operating conditions for the entire system, which translates into predictable brake performance and safe vehicle operation.

Specifications and technical data

• SKU: RHD-2032387
• Mark: Ford
• Condition: Used
• OEM Part Number: 2032387
• Substitutable numbers: 2032387, EV61-2K478-CC, EV612K478CC
• Part type: Coolant Expansion Tank
• Category: Expansion & Overflow Tanks

Purpose and function in the brake system

The presented brake fluid reservoir is a component mounted in the engine compartment, responsible for storing and stabilizing the fluid level in the brake system. Its task is to maintain an adequate reserve of the working medium so that temperature changes, brake pad wear, or master cylinder operation do not lead to air entering the lines. The original design for Ford C-Max Mk2 and Transit Connect models guarantees a proper fit to the brake master cylinder, correct positioning of connection ports, and compatibility with factory mounts and fluid level sensors. As a result, installation is straightforward, with no need for system modifications.

Benefits of using an original Ford reservoir

Using an original brake fluid reservoir to replace a worn or damaged component helps restore proper brake system operating conditions. Key advantages include:

• Factory fit – maintaining the correct position of ports and mounting points, which facilitates installation and service.
• Brake system consistency – the reservoir works with the original brake master cylinder and lines, reducing the risk of leaks.
• Fluid level stabilization – a properly designed working chamber helps maintain an even fluid level during driving and braking.
• Seamless integration with the level sensor – the function of signaling low fluid levels on the instrument cluster is preserved. Thanks to these features, replacing a worn reservoir with an original part reduces the risk of leaks, air ingress, and improper brake pedal operation, which has a direct impact on driving safety.

Installation and operational characteristics

As a component from the Expansion tanks group, the brake fluid reservoir is designed to operate in the variable thermal and mechanical conditions typical of the engine compartment. The design provides for cooperation with factory brake lines and venting, which makes it easier to keep the system in proper technical condition. The product is intended for Ford vehicles, which means that the body geometry, port layout, and mounting method are consistent with the factory solutions used in the C-Max Mk2 and Transit Connect. In practice, this shortens replacement time, minimizes the risk of incorrect installation, and facilitates fluid level checks during subsequent operation.

Condition and use in vehicle service

The offered reservoir is a used part, making it an attractive cost-effective alternative to new parts while maintaining the manufacturer's original specifications. This type of solution is often chosen for maintenance repairs when the existing reservoir has suffered mechanical damage, material aging, or leaks at the ports. Replacing the brake fluid reservoir is particularly recommended in situations where leaks are noticeable around the brake master cylinder, fluid levels drop without visible traces on the lines, or there are problems with proper system bleeding. Using an original Ford component in such cases allows for restoring proper brake system operating conditions without interfering with other sub-assemblies.

Expanding Ford brake system 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 additional reservoirs, mounting elements, or caps, check out the available parts in the Ford expansion tanks category. To better plan service work on your car and approach the selection of used OEM components consciously, it is worth familiarizing yourself with practical tips on assessing the condition of sub-assemblies – you will find them in the article Loud exhaust operation – when is it worth replacing the muffler and other exhaust system components with original used parts?, which discusses, among other things, the principles of safely using original parts from the secondary market.