Ford Transit Connect Mk2 Kuga Brake Fluid Reservoir Expansion Tank EV61-2K478-AC

Ford Transit Connect Mk2 Kuga Brake Fluid Reservoir Expansion Tank is an original brake system component designed to work with the brake booster and brake force regulator. It ensures stable storage of brake fluid and safe supply to the brake master cylinder, which translates into predictable pedal response and proper operation of the entire system. As a Ford OEM part, it is structurally matched to the dedicated models, which facilitates installation and subsequent operation.

Specifications and technical data

• SKU: RHD-EV612K478AC
• Mark: Ford
• Condition: Used
• OEM Part Number: EV612K478AC
• Substitutable numbers: EV612K478AC, EV61-2K478-AC, 2032994
• Part type: Brake Servo & Master Cylinder
• Category: Brake Servos

Purpose and function in the brake system

The presented reservoir operates in the Brake boosters and brake force regulators area, responsible for maintaining the appropriate fluid level and supplying it to the master cylinder. A correctly selected and airtight reservoir minimizes the risk of air entering the system, supports even pressure distribution, and helps maintain stable braking parameters under typical road conditions.

This element is particularly important when servicing the brake booster, replacing the brake force regulator, or performing comprehensive maintenance of the brake hydraulics, where structural compliance with the factory Ford solution is required.

Construction and mounting fit

The reservoir has been designed as a component mounted directly on the brake booster/master cylinder assembly, with appropriately shaped nozzles and sockets for lines. The factory mounting geometry facilitates placement in the engine compartment without the need for modifications, and the matched connections allow for a tight connection with the existing installation.

Thanks to maintaining the original design, after proper installation, it is possible to perform standard brake system bleeding and restore nominal operating parameters without additional adaptations.

Condition, origin, and benefits of choosing a used part

The offered reservoir is a used item, sourced from dismantling, which allows combining an attractive price with maintaining the factory Ford specification. In practice, this means that the design, shape, and way of working with the brake booster and brake force regulator correspond to the solution installed on the production line.

With proper installation and regular brake fluid changes, a used reservoir can still provide stable system operating conditions, making it a reasonable choice for maintenance repairs or restoring vehicle efficiency after mechanical damage.

Operation and good service practices

To maximize the potential of this part, it is worth paying attention to the following during installation:

• thorough cleaning of the sockets and contact surfaces on the brake booster or master cylinder,
• checking the condition of brake lines and seals working with the reservoir,
• using brake fluid with the specification recommended by the vehicle manufacturer,
• a careful system bleeding process after completing the work.

Additional tips regarding the operation of components from dismantling, including brake hydraulic elements, can be found in the article How to extend the life of used car parts?, where practical methods of maintenance and inspection of sub-assembly conditions are described.

Expansion of the Ford brake system

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 a brake booster, brake force regulator, or additional elements working with the master cylinder, check the available parts in the Ford brake boosters and brake force regulators category.

Summary

Ford Transit Connect Mk2 Kuga Brake Fluid Reservoir Expansion Tank is a factory-matched brake system component designed to work with the brake booster and brake force regulator. Choosing an original, used part allows you to maintain structural compliance with the vehicle, reduce repair costs, and at the same time maintain predictable brake system operation after proper installation and bleeding.