The CSF 7237 is an all-aluminum high-performance radiator for the 2014-2019 Ford Fiesta ST (MK6) with the turbocharged 1.6L engine. It uses a 1-row 31mm ultra-high-performance core in a triple-pass configuration that routes coolant across the core three times, with 74 cooling tubes, 75 multi-louvered 6.5mm fin rows, and CSF's B-Tube Technology. It is 100 percent TIG-welded aluminum with aluminum tanks in place of the OEM plastic tanks, CNC-machined brackets, and OEM-style connections, and it is a true plug-and-play drop-in fit.
- Type: all-aluminum performance radiator
- Core: 1-row, 31mm, triple-pass, B-Tube Technology
- Fins: 75 rows, multi-louvered, 6.5mm fin height
- Engine: 1.6L turbo
- Flow: triple-pass
- Construction: 100 percent TIG-welded aluminum, aluminum tanks
- Part number: 7237
Vehicle Applications
Direct fit on the following (1.6L turbo):
- 2014 Ford Fiesta ST
- 2015 Ford Fiesta ST
- 2016 Ford Fiesta ST
- 2017 Ford Fiesta ST
- 2018 Ford Fiesta ST
- 2019 Ford Fiesta ST
FAQ
What vehicles does the CSF 7237 fit?
The 2014-2019 Ford Fiesta ST (MK6) with the 1.6L turbo.
What is triple-pass flow?
Coolant flows across the core three times before exiting, for lower outlet temperatures.
How many rows is the core?
A 1-row 31mm core with CSF's B-Tube Technology.
Is it a drop-in fit?
Yes. It is a true plug-and-play drop-in fit.

