CSF 2014 - 2019 Ford Fiesta ST Radiator

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When you’re chasing turbocharged thrills, your cooling system can’t afford to fall behind. The CSF High-Performance All-Aluminum Radiator for the MK6 Ford Fiesta ST is engineered to keep things chill—even when your engine is anything but. Whether you’re carving canyons, track-day lapping, or pushing big boost on the street, this triple-pass, race-ready radiator is your answer to consistent cooling and bulletproof reliability.

Fitment Information

• Ford Fiesta ST (2014, 2015, 2016, 2017, 2018, 2019) 

Specs & Features

• 2-Row 42mm Ultra-High-Performance Core – Delivers significantly increased fluid capacity and cooling efficiency
• Triple Pass Flow Design – Forces coolant through the core three times for superior heat dissipation
• Exclusive B-Tube Technology – Increases heat transfer by ~15% over conventional tubes
• 6.5mm Multi-Louvered Fins – Maximizes airflow and surface contact for faster cooling
• 100% TIG-Welded All-Aluminum Construction – Built tough to handle high pressure and extreme heat
• CNC Machined Mounting Pins & Brackets – For precise OEM-style fitment
• True Plug-and-Play Installation – No cutting, no mods—just bolt in and go
• Individually Leak & Pressure Tested – For peace of mind right out of the box
• OEM Style Inlet/Outlet – Seamless connection to factory hoses
• Backed by a 2-Year Limited Warranty

Product Details

The Ford Fiesta ST is beloved for its punchy 1.6L EcoBoost engine, nimble handling, and tuner-friendly DNA. But as any enthusiast knows, its factory cooling setup isn’t made for the heat that comes with hard driving or high-horsepower builds. That’s where the CSF Fiesta ST Radiator steps in.

Whether you’re running a bolt-on turbo kit, aggressive ECU tune, or just live in a hotter climate, upgrading your radiator is a must. The factory plastic tank and single-row core just can’t keep up with the demands of performance driving. CSF’s radiator, however, is built from 100% TIG-welded aluminum, featuring a 2-row, 42mm core and triple-pass flow configuration to push your cooling capacity to the next level.

The real game-changer? CSF’s proprietary B-Tube Technology, which increases efficiency by approximately 15% over standard tube designs. Combined with ultra-efficient multi-louvered fins, this setup ensures quicker heat rejection and more consistent temperatures—essential for preventing detonation and maintaining performance under boost.