Ford EcoSport Fiesta Coolant Expansion Tank 2011-2017 Genuine 8V218K218AB

Genuine Ford EcoSport 2014-2017, Fiesta 2011-2017 coolant expansion tank, part number 8V218K218AB is a component of the engine cooling system. It stores expanded coolant when the engine heats up and returns it to the radiator as temperatures drop. This part helps maintain stable coolant levels, balance pressure in the system, and protect the engine against overheating.

On the Ford EcoSport 2014-2017 and Ford Fiesta 2011-2017, the coolant expansion tank is connected to the radiator through hoses, and the tank cap has a pressure valve. When the engine is running, expanded coolant is routed into the reservoir. When the engine cools, the coolant is drawn back into the system, ensuring the radiator always maintains the coolant volume designed by the manufacturer.

The genuine expansion tank is made from high-grade engineered plastic with excellent heat resistance, pressure resistance, and aging durability. The transparent tank body makes it easy to check coolant levels through the MIN and MAX marks. The fittings and mounting points are precisely manufactured to ensure a tight seal and reduce leakage during use.

After long-term operation, the expansion tank may age, crack, suffer damage at the neck, or leak at the connectors. When this happens, the cooling system can lose coolant, reducing heat dissipation efficiency, increasing the risk of engine overheating, and potentially causing serious damage if not repaired promptly.

Genuine part number 8V218K218AB is manufactured to Ford original specifications, ensuring quality, high durability, and exact fitment on the Ford EcoSport 2014-2017 and Ford Fiesta 2011-2017.

Product information

Product name: Coolant expansion tank / Engine Coolant Expansion Tank
Part number: 8V218K218AB/ BE8Z8A080A
Brand: Genuine Ford
Applicable models: Ford EcoSport, Ford Fiesta
Vehicle years: EcoSport 2014-2017, Fiesta 2011-2017
Installation location: Engine bay, cooling system
System: Engine cooling
Condition: New

Function and role

• Stores expanded coolant when the engine is hot.
• Returns coolant to the system when the engine cools.
• Maintains stable pressure in the cooling system.
• Makes coolant level checks and top-ups easier.
• Protects the engine from overheating.

Key benefits

• High-quality genuine Ford replacement part.
• Engineered plastic with strong heat and pressure resistance.
• Effective resistance to aging and cracking.
• Transparent tank body for easy coolant level monitoring.
• Precise fit, fully compatible with the original vehicle.

Signs it should be checked or replaced

• The expansion tank is cracked or leaking coolant.
• Coolant level drops frequently.
• Coolant stains or residue around the tank body.
• The neck or connectors are cracked or deformed.
• The engine frequently shows a high temperature or overheating warning.

👉 The coolant expansion tank is an important component that helps maintain the efficiency of the engine cooling system. Using the genuine Ford 8V218K218AB expansion tank helps ensure stable cooling performance, prevent coolant loss, and protect the engine for long-lasting operation in line with manufacturer standards.

Replacement recommendations

• Replace with the correct 8V218K218AB part for the vehicle year.
• Also check the coolant expansion tank cap, coolant hoses, and hose clamps.
• Top up or replace the coolant with the correct type recommended by Ford.
• Inspect the entire cooling system for leaks before putting the vehicle back into service.
• Use genuine Ford parts whenever possible to ensure sealing, durability, and proper fitment.