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The Mishimoto aluminum coolant expansion tank is engineered for direct fitment to the 2014–2019 Ford Fiesta ST, replacing the stock plastic tank with TIG‑welded aluminum. Internal baffles reduce coolant sloshing during spirited driving, a sight tube provides clear hot and cold level checks, and it installs in under an hour while using the factory cap and offering an overflow nipple for a remote tank.
Mishimoto 2014+ Ford Fiesta ST Aluminum Coolant Expansion Tank - Polished
