CSF All-Aluminum Side Radiators Porsche 987 Boxster / Cayman (Options Available)
All Prices Include VAT
CSF All-Aluminum Side Radiators – Porsche 987 Boxter and Cayman Models
Upgrade your Porsche 987 cooling system with the CSF all-aluminum side radiators, designed to deliver improved heat rejection, durability, and OEM-correct fitment for both road and track use.
Manufactured using motorsport-grade aluminum and CSF’s advanced thermal engineering, this radiator is a direct replacement upgrade for the factory auxiliary radiators. Ideal for replacing tired OEM units or upgrading cooling performance on spirited road cars and track-driven vehicles.
Key Features
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All-Aluminum Construction – Lightweight, corrosion-resistant, and built for long-term reliability
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High-Efficiency Core Design – Optimised fin density and tube design for improved heat dissipation
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Direct OEM Replacement – Drop-in fit using factory mounting points and hose connections
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Side Radiators – Fits the factory side auxiliary radiator positions
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Street & Track Proven – Suitable for daily driving and high-temperature track environments
Fitment
987 Gen 1 (987.1)
Model years: 2005–2008
Models:
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Boxster – 2.7L
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Boxster S – 3.2L → 3.4L (2007–2008)
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Cayman – 2.7L (introduced 2006)
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Cayman S – 3.4L
987 Gen 2 (987.2)
Model years: 2009–2012
Models:
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Boxster – 2.9L (DFI)
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Boxster S – 3.4L (DFI)
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Cayman – 2.9L (DFI)
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Cayman S – 3.4L (DFI)
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Cayman R – 3.4L (2011–2012)
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Boxster Spyder – 3.4L (2011–2012)
Notes
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Direct replacement for the factory right-hand and Left hand side radiators
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Rennworks Recommendation
Full side rad replacement options available to buy now as a pair or as Left/Right and Centre Rad kit
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Gen 1 vs Gen 2 differences relate to engine and electronics — radiator fitment remains the same
We offer professional installation services directly in the Rennworks workshop, where your product will be expertly fitted and fully set up for optimal performance. To book an installation appointment, simply contact us and we’ll be happy to arrange a time that suits you.
Not sure if this product is the right fit for your vehicle? We’re here to help. Our team can quickly check compatibility and make sure you’re choosing the correct item before you buy. Just reach out with your vehicle details, and we’ll confirm everything for you.
Some product images are for illustrative purposes only and may show a generic or representative version of the item. Actual components may vary slightly depending on vehicle application or specification, but all products supplied will match the description and meet our quality standards.
Most orders are processed within 1–2 business days and usually ship within 3–7 business days. Not all items are held in stock, as some products are bespoke and made to order — for example, certain coilover suspension kits and exhaust systems — and delivery times may be longer in these cases. Where this applies, we’ll keep you fully informed and confirm expected dispatch dates as soon as possible. If you’d like to check availability or lead times, feel free to contact us before making a purchase.