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Porsche 911 Carrera 991 / Boxster/Cayman 981 Aux Radiator

Porsche 911 Carrera 991 / Boxster/Cayman 981 Aux Radiator

SKU: SKU: #CSF-RAD-25275059-V1

€765,00 MSRP
Ex VAT

Exclusive B-Tube Technology delivers 20% greater cooling efficiency than standard radiators.

All-aluminum construction with 100% TIG-welded end tanks for superior durability.

True drop-in fit design requires zero modifications for 991/981 Porsche applications.

Wind-tunnel tested multi-louvered fins maximize heat rejection across street and track use.

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Further Information

CSF brings over five decades of radiator manufacturing expertise to the 991 911 and 981 Cayman/Boxster platform with this high-performance all-aluminum auxiliary radiator. Engineered for both street performance and professional racing environments, this 2-row core delivers exceptional cooling capacity for stock and modified vehicles alike.


Key Features:
  • 2-Row 42mm core featuring CSF's exclusive B-Tube Technology for +20% efficiency gain
  • 6.5mm fin height with multi-louvered design for maximum surface area and airflow
  • All-aluminum construction with 100% TIG-welded end tanks
  • CNC machined brackets and fittings for superb fit and durability
  • OEM-style machined inlet/outlet connections compatible with OEM hoses or aftermarket lines
  • Individually leak and pressure tested
  • True drop-in fit with no modifications required
  • Accepts OEM AC condenser and fan shroud

Includes:
  • CSF all-aluminum radiator assembly
  • CNC machined OEM-style brackets
  • Pre-fitted inlet/outlet connections

Maximum cooling performance. Professional-grade reliability. Perfect drop-in fit for 991 and 981 Porsche platforms.