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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram

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DISPLAYING 1 to 3 (of 3 products)
RADKIT99701
Product Information
Product Information
Aluminium Radiator Kit of 3

csf

Fits:
Porsche 987 Boxster 2005>>
Porsche 987C Cayman 2005-08
Porsche 997 2005-08

Cross reference numbers
8MK376730581, 8MK376733671, 99710613102, 99710613202,
Centre Rad 8MK376729531, 99710603702,

Racing & high performance radiators for all Porsche models. 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, Drop-in fit requiring no modifications, 2 row core with B-Tube technology (+20%), 1 hour hand polished, Track Tested & Proven in 110°F, ISO 9001 certified cooling system manufacture.

ENGINEERING

• "B-Tube" Technology - Most efficient tube in the world
• High Efficiency Louvered Fin
• OE radial and deep drawn aluminium end tanks
• Wind tunnel tested for optimal radiator core cooling performance
• Stronger joint design for mountings, fan shrouds & condensers
• OE Specific Mounting
• "Drop-in" fitment requiring no modifications
• CNC Machined brackets and fittings
• Racing Style all-aluminium drain plug

MANUFACTURING

• Brazed in CAB Furnace
• ISO 9001/9002 certification
• Privately owned factories with full "In house" tool rooms
• "Master Class" TIG welding

TESTING

• Individually leak tested
• Vibration cycle tested
• Thermal cycle tested
• Burst pressure cycle tested 10,000 times for strength
• Salt spray tested for corrosion protection



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Related, superseded, cross reference or alternative numbers for comparison.

RADKIT99701
8MK376730581
8MK 376 730-581
8MK376733671
8MK 376 733-671
99710613102
99710613202
7047
7048
7049

The product you are viewing cross references to these numbers
7049
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 987 Boxster S 3.2L 2005-08 (ONLY for Tiptronic cars)
Porsche 987 Boxster S 3.4L 2009>>
Porsche 987C Cayman S 3.4L 2006-08 (ONLY for Tiptronic cars)
Porsche 987C Cayman S 3.4L 2009>>
Porsche 997 Carrera 2005-08
Porsche 997 Carrera 2009>>

Cross reference numbers
8MK376729531 / 99710603702

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, Drop-in fit requiring no modifications , 2 row core with B-Tube technology (+20%), 1 hour hand polished, Track Tested & Proven in 110°F, ISO 9001 certified cooling system manufacture.

ENGINEERING
"B-Tube" Technology - Most efficient tube in the world
High Efficiency Louvered Fin
OE radial and deep drawn aluminium end tanks
Wind tunnel tested for optimal radiator core cooling performance
Stronger joint design for mountings, fan shrouds & condensers
OE Specific Mounting
"Drop-in" fitment requiring no modifications
CNC Machined brackets and fittings
Racing Style all-aluminium drain plug

MANUFACTURING
Brazed in CAB Furnace
ISO 9001/9002 certification
Privately owned factories with full "In house" tool rooms
"Master Class" TIG welding

TESTING
Individually leak tested
Vibration cycle tested
Thermal cycle tested
Burst pressure cycle tested 10,000 times for strength
Salt spray tested for corrosion protection


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

7049
99710603702
53799
8MK376729531
8MK 376 729 531
1614200203

The product you are viewing cross references to these numbers
704
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 987 Boxster 2005>>
Porsche 987C Cayman 2005-08
Porsche 997 2005-08

Cross reference numbers
8MK376730581, 8MK376733671, 99710613102, 99710613202,

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, Drop-in fit requiring no modifications , 2 row core with B-Tube technology (+20%), 1 hour hand polished, Track Tested & Proven in 110°F, ISO 9001 certified cooling system manufacture.

ENGINEERING
"B-Tube" Technology - Most efficient tube in the world
High Efficiency Louvered Fin
OE radial and deep drawn aluminium end tanks
Wind tunnel tested for optimal radiator core cooling performance
Stronger joint design for mountings, fan shrouds & condensers
OE Specific Mounting
"Drop-in" fitment requiring no modifications
CNC Machined brackets and fittings
Racing Style all-aluminium drain plug

MANUFACTURING
Brazed in CAB Furnace
ISO 9001/9002 certification
Privately owned factories with full "In house" tool rooms
"Master Class" TIG welding

TESTING
Individually leak tested
Vibration cycle tested
Thermal cycle tested
Burst pressure cycle tested 10,000 times for strength
Salt spray tested for corrosion protection


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

704
8MK376730581
8MK 376 730-581
8MK376733671
8MK 376 733-671
99710613102
99710613202
1614200173
1614200183

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About Radiators

Porsche Performance Radiators - Engine Cooling & Thermal Control Upgrades

Radiators are a critical part of the engine cooling system, responsible for dissipating heat and maintaining optimal operating temperatures. In performance-driven, tuned, or high-mileage Porsche engines, upgraded radiators play a vital role in preventing overheating, reducing thermal stress, and protecting engine components under sustained load.

Available from Design911, Porsche performance radiators are engineered to deliver increased cooling efficiency, improved airflow, and enhanced durability—making them essential upgrades for road, track, and high-performance applications.

What Do Radiators Do?

Radiators regulate engine temperature by transferring heat away from the coolant.

Core Functions:

  • Dissipate engine heat efficiently.
  • Maintain stable operating temperatures.
  • Prevent overheating under load.
  • Support consistent engine performance.
  • Protect internal engine components from heat damage.

Effective cooling is essential for engine reliability and longevity.

Why Do Radiators Fail?

Standard radiators can degrade over time due to age, contamination, and increased thermal demand. Common failure causes include:

  • Internal blockage from debris or sediment.
  • External fin corrosion or damage.
  • Coolant leaks from plastic end tanks or seals.
  • Reduced efficiency due to age and contamination. 
  • Increased heat load from tuned or track-driven engines.

A failing radiator can lead to overheating, coolant loss, and serious engine damage if left unresolved.

Why Upgrade to a Performance Radiator?

Performance radiators are designed to handle higher thermal loads more effectively.

Upgrade Benefits:

  • Increased cooling capacity and heat dissipation.
  • Improved airflow and coolant flow efficiency.
  • Stronger materials for enhanced durability.
  • Reduced risk of overheating during spirited or track driving.
  • Ideal upgrade for tuned and high-output engines.

Upgrading the radiator helps protect engine reliability while supporting performance enhancements.

Highlights

  • Porsche performance radiator upgrades
  • Improved cooling efficiency and heat management
  • Designed for tuned and high-performance engines
  • Enhanced durability and long service life
  • Essential upgrade for track and performance use       

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