Description
The Motorcraft 180° Thermostat Assembly is a popular cooling upgrade for the 2014-2019 Ford Fiesta ST equipped with the 1.6L EcoBoost engine. Compared to the factory thermostat that opens around 207°F, this Motorcraft unit begins opening at 180°F, allowing coolant to circulate sooner and helping control engine temperatures under load.
Lower coolant temperatures can help reduce heat soak during aggressive driving, spirited street use, and vehicles running aftermarket performance upgrades or ECU tuning. Because this thermostat is manufactured by Motorcraft, it maintains OEM-level fitment, durability, and reliability while offering improved cooling performance.
This thermostat assembly installs in the factory location and integrates seamlessly with the vehicle’s existing cooling system. It’s an ideal upgrade for Fiesta ST owners looking to maintain consistent operating temperatures without compromising OEM quality.
Whether you’re driving in hot climates, pushing your Fiesta ST on back roads, or running additional performance modifications, the Motorcraft 180° thermostat helps keep coolant temperatures under control and the engine performing consistently.
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