Ford Transit Connect Mk1 Coolant Expansion Tank Reservoir Bottle 98AB-8K218-AK

Ford Transit Connect Mk1 Coolant Expansion Tank Reservoir Bottle is a cooling system component designed for Ford vehicles, ensuring stable engine operation by monitoring coolant levels. This used expansion tank is an economical solution that is technically matched to the factory installation, facilitating easy assembly and subsequent operation.

Specifications and technical data

• SKU: 1104120
• Mark: Ford
• Condition: Used
• OEM Part Number: 1104120
• Substitutable numbers: 98AB-8K218-AK, 98AB8K218AK, 1104120
• Category: Expansion & Overflow Tanks

Purpose and function in the cooling system

The expansion tank in the Ford Transit Connect Mk1 is responsible for compensating for changes in coolant volume and maintaining proper pressure in the system. A correctly selected component from this group helps reduce the risk of engine overheating, facilitates system venting, and allows for visual inspection of the fluid level. Thanks to a design consistent with factory specifications, installation is carried out at the original mounting points without the need for system modifications.

Technical characteristics and fitment

The presented expansion tank comes from the Ford parts line, which means it maintains the geometry, connector diameters, and port placement consistent with the factory design. This fitment translates into:

• proper connection with cooling system hoses,
• correct positioning relative to the engine bay and other components,
• stable mounting that minimizes vibrations while driving.

The component has an assigned OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific body and engine version. This allows for precise selection of the tank for your vehicle, reducing the risk of ordering errors.

Product condition and practical aspects

The offered expansion tank is a used product, which allows for lower repair costs while maintaining the original installation specifications. This type of part is particularly useful in situations where mechanical damage to the existing tank has occurred (cracks, leaks, damaged connectors) or when a quick replacement is necessary during routine maintenance. Using a component from the same design group helps maintain the integrity of the cooling system and avoids issues with fitting aftermarket parts of different geometry.

Benefits of using an original expansion tank

Choosing an expansion tank dedicated to the Ford Transit Connect Mk1 provides a number of practical benefits:

• Factory fitment – compatibility with the original vehicle design, with no need for system modifications.
• Stable cooling system operation – proper circulation and fluid volume compensation under various engine load conditions.
• Easier diagnostics – clear monitoring of coolant levels and quick detection of potential leaks.
• Economical repair – a used component helps reduce service costs while maintaining appropriate performance parameters.

Thanks to the original design, the tank works with factory sensors and equipment, which is important for maintaining correct readings and vehicle alerts.

Related Ford cooling system components

If you are planning a comprehensive repair or upgrade of the cooling system area in your Ford and need other components from the same group, such as coolant hoses, radiators, or pressure caps, check out the available parts in the Ford expansion tanks category.

For those interested in a broader context of parts selection and the development of technical solutions in the automotive industry, an article describing the evolution of solutions in the premium segment may be helpful – you can find more information in the material on innovations and parts in subsequent generations of the Mercedes S-Class.