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Porsche > Cayman 718C (982C) 2017>> > Cayman GTS 718 4.0L PDK (400 Bhp) > Engine Cooling >

Track & Race Coolant Radiators

Track & Race Coolant Radiators

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DISPLAYING 1 to 2 (of 2 products)
Aluminium radiator for water coolant fluid & hoses SET OF 2. Porsche 718 Boxster / 718 Cayman - 9P1121251, 9P1121252 - 7086, 7087
3
Aluminium radiator for water coolant fluid & hoses SET OF 2. Porsche 718 Boxster / 718 Cayman
7086KIT.1
Product Information
Product Information

CSF Complete Performance Radiator Kit – Left and Right

This complete high-performance cooling kit from CSF provides a full radiator replacement solution for Porsche 718 Boxster and Cayman models. Designed as a direct OE replacement with motorsport-grade durability, the kit includes all three radiators along with essential installation components.

Fits:

  • Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
  • Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
  • Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
  • Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
  • Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
  • Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
  • Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
  • Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
  • Porsche Cayman 718 2.0L Manual (300 Bhp)
  • Porsche Cayman 718 2.0L PDK (300 Bhp)
  • Porsche Cayman S 718 2.5L Manual (350 Bhp)
  • Porsche Cayman S 718 2.5L PDK (350 Bhp)
  • Porsche Cayman T 718 2.0L Manual (300 Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
  • Porsche Cayman GT4 Clubsport
  • Porsche Cayman GT4 RS Clubsport 2020-2024

This makes it an ideal upgrade for ageing cooling systems or for drivers who want improved cooling performance and long-term reliability.

Kit Contents

• Left radiator
• Right radiator
• Radiator hoses
• Hose clips
• Radiator mounting buffers
• Blanking caps

This comprehensive kit allows you to replace the entire radiator system in one installation, ensuring optimal cooling performance and reducing the risk of future leaks or component failures.

Cross Reference Numbers

• LEFT:  9P1121251
• RIGHT:  9P1121252

What These Radiators Kit Do

The Porsche 718 cooling system relies on three front-mounted radiators to dissipate heat from the engine coolant. These radiators maintain stable engine operating temperatures by transferring heat away from the coolant through airflow across the radiator core.

A properly functioning radiator system helps:

• Prevent engine overheating
• Maintain optimal engine performance
• Protect cylinder heads and gaskets
• Improve cooling during heavy traffic or hot weather
• Support track and performance driving conditions

Why Porsche Radiators Fail

Over time, original radiators can suffer from:

  • Road debris damage
  • Corrosion and coolant contamination
  • Plastic end tank fatigue
  • Blocked cooling cores

Replacing all three radiators together ensures balanced cooling performance and prevents repeated labour costs.

Why Upgrade to CSF Performance Radiators?

All-Aluminium Motorsport Construction
CSF radiators are engineered using full aluminium construction with precision welding and reinforced joints, improving strength and durability compared with standard replacements.

High Efficiency Core Design
 The advanced 2-row core with CSF B-Tube technology increases cooling capacity by approximately 20 percent compared with conventional radiator tube designs.

True Drop-In Installation
 Designed as OE-specific replacements with correct mounting points and quick-connect inlet and outlet pipes for easy installation without modification.

Track-Tested Reliability
 These radiators have been tested under extreme conditions, including high ambient temperatures and track environments.

Engineering Highlights

• B-Tube technology for maximum heat transfer efficiency
• High efficiency louvered fin design
• OE radial and deep drawn aluminium end tanks
• Wind tunnel tested core for optimal airflow cooling
• Reinforced mounting design for fan shrouds and condensers
• CNC machined brackets and fittings
• Racing style all aluminium drain plug
• Direct OE fitment requiring no modifications

Manufacturing Quality

• Brazed in CAB furnace for strength and consistency
• ISO 9001 / ISO 9002 certified production
• Dedicated in-house tooling and engineering facilities
• Master-class TIG welding for precision joints

Testing and Quality Control

• Individual leak testing
• Vibration cycle testing
• Thermal cycle testing
• Burst pressure testing repeated 10,000 times
• Salt spray corrosion resistance testing



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

7086KIT.1
9P1121251
9P1121252

The product you are viewing cross references to these numbers
Aluminium Radiator for Water Coolant Fluid. Porsche 991.2 Carrera /718 Cayman & Boxster - 7086, 7087, 9P1121252, 9P1121251
5
Aluminium Radiator for Water Coolant Fluid. Porsche 991.2 Carrera /718 Cayman & Boxster
708
Product Information
Product Information

Racing and high performance radiators for all Porsche models make a great performance upgrade as well as an incredibly durable and reliable OE replacement.

Fits:
Porsche 991.2 Carrera
Porsche 991 GT2/RS
Porsche 991.2 GT3/RS/R
Porsche 718 Boxster
Porsche 718 Cayman
Porsche 718 GT4

 • OEM #:  Left: 9P1121251 / Right: 9P1121252

CSF strives to build and engineer the most advanced, efficient, and reliable cooling systems in the world. All-aluminium 100% TIG welded, CNC machined brackets, mounting pins and "Quick-Connect" inlet/outlet pipes,

• 2-Row 42mm High-Performance Core Featuring CSF's B-Tube Technology
• Core Features Ultra Efficient 6.5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact
• 100% All-Aluminum TIG-Welded Construction
• CNC Machined Mounting Brackets and OEM Style "Quick Connect" Inlet/Outlet
• Sealing Foam for Optimized Airflow Into the Core and Precise Fitment Into OEM Radiator Pods
• True "Drop-in Fit" Requires No Modifications to Install
• Individually Leak and Pressure Tested
• High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement
• 1 Hour "Mirror Finish" Hand Polish
• 2 Year Limited Warranty


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

708
7086
7087
9P1121252
9P1121251

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
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About Track & Race Coolant Radiators

High-Performance Track & Race Coolant Radiators for Motorsport-Level Engine Cooling

Track and race coolant radiators are engineered to withstand the extreme thermal demands of motorsport, high-revving engines and repeated full-throttle operation. Designed to offer superior cooling capacity compared to standard radiators, these units feature enhanced cores, high-flow fin structures, improved heat dissipation and reinforced construction. Whether preparing for track days, competitive racing or spirited performance driving, upgrading to a race-spec radiator is essential for maintaining safe engine temperatures under severe conditions.

These radiators provide robust cooling efficiency, helping prevent overheating, power loss and premature wear—making them a crucial component for any high-performance build.

What Track & Race Coolant Radiators Do

Performance radiators deliver significantly improved cooling by:

  • Increasing coolant flow through larger or multi-row cores
  • Maximising heat transfer with high-efficiency fin designs
  • Managing extreme temperatures produced during racing or track sessions
  • Preventing overheating when engine output and ambient heat are at their highest
  • Improving coolant stability during repeated high-load cycles
  • Supporting upgraded engines, forced induction setups or heavy performance tuning

These radiators maintain optimal operating temperatures where standard cooling components cannot cope.

Why Standard Radiators Fail Under Track Conditions

Racing conditions expose radiators to far greater stress than road use. Failures often occur due to:

  • Heat saturation where standard cooling cores cannot dissipate enough heat
  • Coolant boiling or overflow caused by extreme temperatures
  • Weak core construction leading to cracks or leaks
  • Blocked or restricted fins reducing airflow
  • Plastic end-tank fatigue failing under high thermal load
  • Vibration damage from track surfaces and aggressive driving
  • Insufficient coolant flow in performance-modified engines

Symptoms include rising coolant temperatures, steam, coolant loss, reduced power, limp-mode activation or overheating during extended high-load operation.

Why You Should Upgrade to a Track & Race Coolant Radiator

Replacing the standard radiator with a high-quality, motorsport-grade alternative engineered for superior heat management ensures consistent performance and protects the engine from severe damage.

Key benefits include:

  • Stable coolant temperatures under extreme load
  • Improved reliability during track days, racing or spirited driving
  • Enhanced heat dissipation and faster cooling recovery
  • Stronger construction with alloy tanks and reinforced cores
  • Prevention of head gasket failure, detonation and thermal stress
  • Longer life for coolant hoses, water pumps and thermostats
  • Increased confidence and capability for high-performance driving

A race-spec radiator is one of the most impactful upgrades for track-driven vehicles or modified engines.

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