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CSF High-Performance Left Radiator for Porsche 911 (991), Boxster & Cayman (981) GT4

Original price was: $874.80.Current price is: $97.20.

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SKU: CSF-RAD-25275060-V1 Category: Brand:

Description

CSF brings five decades of radiator manufacturing expertise to this high-performance all-aluminum radiator engineered for Porsche 991 Carrera and 981 Boxster/Cayman platforms. Designed to excel on both street and track, this cooling upgrade is essential for maintaining optimal engine temperatures during spirited driving and motorsports use.

The radiator features a proprietary 2-Row 42mm core with CSF’s exclusive B-Tube Technology, which increases heat transfer surface area by approximately 15% over conventional oval-tube designs while utilizing thinner, lighter aluminum for superior efficiency. The specially formed B-tubes are seam-brazed for strength exceeding welded O-tube designs, enabling true dual liquid laminar flow.

Ultra-efficient multi-louvered fins are individually measured, calculated, and wind-tunnel tested for each application to maximize airflow and heat rejection.

Key Features:

  • 2-Row 42mm core with CSF B-Tube Technology (+20% efficiency)
  • 6.5mm fin height with multi-louvered design for maximum surface area
  • All-aluminum construction with 100% TIG-welded end tanks
  • CNC machined brackets and fittings for superior durability
  • OEM-style inlet/outlet connections compatible with factory and aftermarket hoses
  • Drop-in fit design—no modifications required for installation
  • Accepts OEM AC condenser and fan shroud
  • Each core individually leak and pressure tested
  • Smooth satin finish

Includes:

  • CSF all-aluminum radiator core
  • CNC machined OEM-style brackets
  • Complete installation hardware

Built for the 991/981 Porsche lineup. Superior cooling. Superior durability. Superior performance.

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