The CSF 7224B is an all-aluminum high-performance radiator for the 2022-2026 Subaru WRX (VB) with the turbocharged 2.4L H4. It uses a 2-row 42mm ultra-high-performance core with CSF's B-Tube Technology and 6.5mm multi-louvered fins, holding over a gallon more coolant than the factory radiator. It is 100 percent TIG-welded aluminum, a true plug-and-play drop-in fit with no modifications, and finished in satin black. This is the black version; the polished version is the 7224.
- Type: all-aluminum performance radiator
- Core: 2-row, 42mm ultra-high-performance, B-Tube Technology
- Fins: multi-louvered, 6.5mm fin height
- Engine: 2.4L turbo H4
- Construction: 100 percent TIG-welded aluminum
- Finish: satin black
- Part number: 7224B
- Base part: 7224
Vehicle Applications
Direct fit on the following (2.4L turbo):
- 2022 Subaru WRX
- 2023 Subaru WRX
- 2024 Subaru WRX
- 2025 Subaru WRX
- 2026 Subaru WRX
FAQ
What vehicles does the CSF 7224B fit?
The 2022-2026 Subaru WRX (VB) with the 2.4L turbo H4.
How many rows is the core?
A 2-row 42mm ultra-high-performance core with CSF's B-Tube Technology.
How much more coolant does it hold?
Over a gallon more than the factory radiator.
Is it a drop-in fit?
Yes. It is a true plug-and-play drop-in fit with no modifications.
Is there a polished version?
Yes. The polished mirror-finish version is the 7224.

