Ford Transit Connect Mk2 Focus Mk3 Coolant Expansion Tank Bottle 8V61-8K218-DE

Ford Transit Connect Mk2 Focus Mk3 Coolant Expansion Tank Bottle is an original cooling system component, designed for precise integration with the factory installation in Ford vehicles. Thanks to its design compliant with the Ford OE standard, it ensures stable engine operating conditions and predictable temperature management during daily use. This is a practical solution for users looking for a proven, used component instead of replacements with uncertain parameters.

Specifications and technical data

• SKU: 8V61-8K218-DE-1
• Mark: Ford
• Condition: Used
• OEM Part Number: 8V61-8K218-DE
• Substitutable numbers: 8V61-8K218-DE, 8V618K218DE, 1717754
• Category: Expansion & Overflow Tanks

Purpose and function in the cooling system

The coolant expansion tank is responsible for compensating for changes in coolant volume that occur during engine heating and cooling. A properly selected component of this type allows for maintaining:

• stable pressure in the cooling system,
• a safe fluid level across the entire operating temperature range,
• clear monitoring of the coolant level. In Ford Transit Connect Mk2 and Ford Focus Mk3 vehicles, a properly functioning expansion tank is crucial for protecting the engine from overheating, as well as for the smooth operation of the entire cooling system in both city and highway driving conditions.

Original Ford OE origin

The presented tank comes from the Ford OE line, which means it adheres to factory design and material standards. In practice, this translates into:

• precise fitment to mounts and hoses in the engine bay,
• compliance with the operating pressure parameters specified by the manufacturer,
• consistency with other Ford cooling system components. An original component of this class is particularly recommended where predictable vehicle behavior is important, as well as reducing the risk of leaks resulting from the imprecise fitment of aftermarket replacements.

Condition, application, and benefits of installation

The item is offered as a used part, which allows for an economical repair of the cooling system while maintaining the manufacturer's original specifications. This type of solution is often chosen in cases of:

• cracking or loss of seal of the existing tank,
• post-accident repairs within the engine bay,
• preventive replacement of cooling system components in heavily used vehicles. Installing an original Ford expansion tank eliminates the need for modifications, facilitates the mechanic's work, and helps maintain the factory engine operating characteristics, which is important for both the durability of the power unit and the comfort of using the car.

Selection by numbers and compatibility

The product has a dedicated OEM part number and associated interchangeable numbers, which facilitates clear identification and selection for a specific version of the Ford Transit Connect Mk2 or Ford Focus Mk3. Before purchasing, it is worth comparing the markings with the currently installed component or vehicle documentation to ensure full compatibility with the factory configuration. This minimizes the risk of installation problems and ensures the tank works correctly with other cooling system 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 coolant hoses, pressure caps, or additional fluid reservoirs, check out the available parts in the Ford expansion tanks category.

Additional technical support and knowledge

When planning repairs for systems in modern cars, it is worth using reliable sources of knowledge about electronics and control modules that work with vehicle systems. Extended information on the use of dismantled parts in advanced control systems can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?, which shows best practices for selecting and installing used components.