Description
The CSF All-Aluminum Radiator for Porsche 996 911 and 986 Boxster is engineered to deliver superior cooling performance for street driving, spirited performance use, and professional motorsports applications. Backed by over five decades of radiator manufacturing expertise, CSF designs each radiator to meet the demands of modern high-output engines while maintaining OEM-level fitment and reliability.
This radiator features a high-efficiency 2-row 42mm core utilizing CSF’s exclusive B-Tube Technology. Unlike traditional oval “O-type” tubes, CSF’s specially engineered “B-shaped” tubes are seam-brazed for superior structural strength. This advanced design allows the use of thinner, lighter aluminum material while increasing heat transfer surface area by approximately 15%, delivering the cooling efficiency of two smaller tubes within the same space. The result is improved thermal management through dual liquid laminar flow and reduced operating temperatures under demanding conditions.
Ultra-efficient multi-louvered fins are precisely aligned to maximize airflow through the core. Fin height, density, and spacing are application-specific and wind-tunnel tested to ensure optimal heat rejection. Each radiator is constructed entirely from aluminum with 100% TIG-welded end tanks and CNC-machined brackets for long-term durability and a precise OEM-style fit.
Designed as a true plug-and-play drop-in replacement, this radiator installs with no modifications required. OEM-style inlet and outlet connections allow reuse of factory or aftermarket hoses, while compatibility with the OEM A/C condenser and fan shroud ensures seamless integration. Whether replacing a worn factory unit or upgrading for increased performance, this CSF radiator provides reliable cooling performance you can trust.
Key Features
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2-row 42mm core featuring CSF exclusive B-Tube technology for increased efficiency
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Approximately 20% improvement in cooling efficiency over conventional tube designs
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6.5mm fin height with multi-louvered design for maximum heat dissipation
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All-aluminum construction with fully TIG-welded end tanks
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CNC-machined mounting brackets and fittings for excellent fitment and durability
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OEM-style inlet and outlet connections for direct hose compatibility
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Smooth satin aluminum finish
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Plug-and-play drop-in installation with no modifications required
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Accepts OEM A/C condenser and factory fan shroud
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Suitable for OEM replacement, street performance, and professional racing use
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Individually leak and pressure tested for quality assurance
Vehicle Fitment
Fits Left or Right Side Applications
1999–2002 Porsche 911 Carrera
Chassis: 996
Engine: 3.4L H6
2002–2004 Porsche 911 Carrera
Chassis: 996
Engine: 3.6L H6
1999–2002 Porsche 911 Carrera 4
Chassis: 996
Engine: 3.4L H6
2002–2004 Porsche 911 Carrera 4
Chassis: 996
Engine: 3.6L H6
2004–2005 Porsche 911 GT3
Chassis: 996
Engine: 3.6L H6
1997–1999 Porsche Boxster
Chassis: 986
Engine: 2.5L H6
2000–2004 Porsche Boxster
Chassis: 986
Engine: 2.7L H6
2000–2003 Porsche Boxster Roadster
Chassis: 986
Engine: 2.7L H6
2000–2003 Porsche Boxster Roadster S
Chassis: 986
Engine: 3.2L H6
2004 Porsche Boxster S
Chassis: 986
Engine: 3.2L H6
2004 Porsche Boxster S Special Edition
Chassis: 986
Engine: 3.2L H6
Cooling Systems and Flexibles, Inc. (CSF) warrants CSF High-Performance Cooling Systems, under normal use and service, to the original purchaser of the vehicle in which the product was originally installed.
