Ford Focus Kuga Mk2 Expansion Tank Breather Hose 2.0 TDCi FV41-8C012-AA

Ford Focus Kuga Mk2 Expansion Tank Breather Hose 2.0 TDCi is an original component from the Cooling system pipes and hoses group, specifically designed for operation in the diesel engine cooling system. It enables proper air venting and pressure stabilization in the circuit, which supports a safe operating temperature for the power unit.

Specifications and technical data

• SKU: FV41-8C012-AA
• Mark: Ford
• Condition: Used
• OEM Part Number: FV41-8C012-AA
• Substitutable numbers: FV41-8C012-AA, FV418C012AA
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

This breather hose operates between the expansion tank and other cooling system components, ensuring controlled fluid flow and the removal of air bubbles from the circuit. As a result, the cooling system maintains stable operating parameters, and the risk of local overheating and cavitation in the area of the coolant pump or water channels is reduced.

A properly selected, original Ford hose guarantees the correct inner diameter, shape, and flexibility, which translates into reliable coolant routing and proper compatibility with connectors and clamps in the engine bay.

Benefits of using an original Ford hose

Using a factory-spec breather hose in the cooling system provides a number of practical benefits:

• maintaining the breather channel flow rate as designed by the manufacturer,
• proper fitment to the expansion tank connectors and adjacent components,
• reduced risk of leaks at connections due to correct geometry,
• stable cooling system operation under engine load,
• easier diagnostics of potential faults related to overheating.

For the user, this means more predictable engine behavior across a wide temperature range and a lower risk of failures resulting from air trapped in the circuit.

Characteristics of the used component

The offered hose comes from dismantling, which allows for maintaining the original manufacturer's specification at a more favorable purchase cost. The used component retains its factory geometry and routing in the engine bay, ensuring that installation is orderly, without the need for modifications or fitting universal replacements.

Choosing this solution is particularly beneficial when servicing daily-driven vehicles, where a reasonable balance between quality and maintenance cost is important, while maintaining compliance with the factory cooling system design.

Installation and maintenance tips

When replacing the breather hose, it is worth paying attention to the condition of the connectors, clamps, and the expansion tank itself. After installation, it is recommended to thoroughly bleed the cooling system and check for leaks once the engine reaches operating temperature. A correctly installed hose supports uniform fluid circulation and helps maintain a stable engine operating temperature.

Additionally, regular visual inspection of pipes and hoses in the engine bay allows for early detection of signs of material aging, such as cracks or excessive hardening, which facilitates planning for the preventive replacement of cooling system components.

More about cooling system operation

If you want to better understand how a properly functioning cooling system affects engine durability and what symptoms may indicate engine overheating, check out our guide: Engine cooling system – overheating, repair, and used radiators. This is a practical supplement to your knowledge when planning the service of pipes, hoses, and other cooling circuit components.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Ford and need other elements from the same group, such as return pipes, supply hoses, or flexible sections connecting to the radiator, check out the available parts in the Ford cooling system pipes and hoses category.