Ford Transit Connect Servo Brake Fluid Expansion Tank Bottle EV61-2K478-CC

Ford Transit Connect Servo Brake Fluid Expansion Tank Bottle is an original brake system component designed to work with the brake servo and hydraulic system. Thanks to its factory design, it ensures stable brake fluid storage, proper venting, and safe operation of the entire system. This used OEM component is a sensible choice for professional repairs where fitment and predictable part performance are essential.

Specifications and technical data

• SKU: RHD-2032994
• Mark: Ford
• Condition: Used
• OEM Part Number: EV612K478CC
• Substitutable numbers: EV612K478CC, EV61-2K478-CC, 2032994
• Category: Expansion & Overflow Tanks

Purpose and function in the brake system

The presented expansion tank is a component of the hydraulic brake system in the Ford Transit Connect, working in conjunction with the brake servo and master cylinder. Its task is to maintain the correct fluid level, compensate for volume changes during heating, and provide a reserve of working medium in emergency situations. A correctly selected tank minimizes the risk of air entering the system and supports stable brake pedal operation.

Construction and OEM fitment

As an element from the Expansion tanks group, the part was designed by the vehicle manufacturer with a specific mounting system, connector diameters, and engine bay geometry of the Ford Transit Connect in mind. This means:

• factory mounting points, facilitating installation in original brackets,
• matching connection ports for brake system lines,
• a properly shaped housing, ensuring correct venting and a stable fluid level.

Thanks to the OEM design, the operating parameters specified by Ford engineers are maintained, which is important for both braking efficiency and the durability of other system components.

Benefits of using an original expansion tank

Using an original expansion tank in a Ford Transit Connect translates into a number of practical service and operational benefits:

• Installation compatibility – no need for system modifications, adjusting lines, or fabricating mounts.
• Consistency with the brake servo system – the tank works with the factory master cylinder and servo, which facilitates bleeding and diagnostics.
• Predictable operational behavior – operating parameters correspond to factory assumptions, which is significant for intensive use of a commercial vehicle.
• Possibility to use existing fluid level sensors (if present in the specific vehicle configuration).

Choosing a used OEM component allows you to maintain high repair quality while optimizing costs, which is especially important for fleet and commercial vehicles.

Part condition and installation aspects

The offered expansion tank is a used part, which in practice means it comes from vehicle dismantling and has been verified for suitability for further use. This type of component, with proper installation and the use of appropriate brake fluid, can continue to ensure stable system operation.

Before installation, it is recommended to:

• thoroughly flush the inside of the tank with fresh brake fluid,
• inspect the ports and sockets for leaks,
• check the condition of the seals at the connection point with the master cylinder.

Such an approach reduces the risk of system contamination and facilitates subsequent brake bleeding.

Part selection by numbers and additional technical information

To ensure full compatibility with a specific version of the Ford Transit Connect, it is worth using manufacturer markings during selection, such as the OEM part number and available interchangeable numbers. In our store, these parameters are linked to the product via technical attributes, including OEM part number, interchangeable numbers, and SKU, which facilitates searching and compatibility verification. Information about the manufacturer, marked as brand, and the condition of the part allow you to additionally assess whether a given element meets the requirements of a specific repair.

If you want to better understand why used OEM components are often the optimal choice in terms of safety and service costs, read the article: Quality assurance and OEM safety – why used original car parts are the best choice for your vehicle?.

If you are planning a comprehensive repair or upgrade of the brake fluid area in your Ford and need other elements from the same group, such as additional tanks, return lines, or mounting elements, check the available parts in the Ford Expansion tanks category.