CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your 991.2 911 / 718 running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2021-2022 |
Porsche |
718 Boxster |
25 Years |
| 2017-2022 |
Porsche |
718 Boxster |
Base |
| 2018-2019 |
Porsche |
718 Boxster |
GTS |
| 2021-2025 |
Porsche |
718 Boxster |
GTS 4.0 |
| 2017-2022 |
Porsche |
718 Boxster |
S |
| 2020-2022 |
Porsche |
718 Boxster |
T |
| 2017-2022 |
Porsche |
718 Cayman |
Base |
| 2020-2023 |
Porsche |
718 Cayman |
GT4 |
| 2022-2025 |
Porsche |
718 Cayman |
GT4 RS |
| 2018-2019 |
Porsche |
718 Cayman |
GTS |
| 2021-2025 |
Porsche |
718 Cayman |
GTS 4.0 |
| 2017-2022 |
Porsche |
718 Cayman |
S |
| 2020-2022 |
Porsche |
718 Cayman |
T |
| 2020-2023 |
Porsche |
718 Spyder |
Base |
| 2024-2025 |
Porsche |
718 Spyder |
RS |
| 2017-2019 |
Porsche |
911 |
Carrera |
| 2017-2019 |
Porsche |
911 |
Carrera 4 |
| 2018-2019 |
Porsche |
911 |
Carrera 4 GTS |
| 2017-2019 |
Porsche |
911 |
Carrera 4S |
| 2018-2019 |
Porsche |
911 |
Carrera GTS |
| 2017-2019 |
Porsche |
911 |
Carrera S |
| 2018-2019 |
Porsche |
911 |
Carrera T |
| 2018-2019 |
Porsche |
911 |
GT2 RS |
| 2018-2019 |
Porsche |
911 |
GT3 |
| 2019 |
Porsche |
911 |
GT3 RS |
| 2017-2019 |
Porsche |
911 |
Targa 4 |
| 2018-2019 |
Porsche |
911 |
Targa 4 GTS |
| 2017-2019 |
Porsche |
911 |
Targa 4S |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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We are committed to providing the best value. If you find a lower advertised price from a verified vendor, we will match it. Shop with confidence knowing you’re getting the industry's lowest price.
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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