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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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Porsche > Macan (95B) MK1 (2014-2018) > 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18 > Engine Tuning >

Radiators

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Aluminium Radiator for Water Coolant Fluid. Porsche 95B Macan S / GTS 2014 - 2018 - 8K0121251AL, 8K0121251AA, 9A712125101, 7091
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Aluminium Radiator for Water Coolant Fluid. Porsche 95B Macan S / GTS 2014 - 2018
7091
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.

csf

Fits:
Porsche 95B Macan S 3.0ltr - 2014 to 2018
Porsche 95B Macan GTS 3.0ltr - 2014 to 2018

CSF continues to expand its Porsche cooling performance catalogue with more unique and world’s first options. Next on the list is the ever-popular Macan S / GTS platform.

CSF is excited to announce another industry exclusive – its new High-Performance All-Aluminum Drop-in Fit Radiator upgrade (CSF #7091).

CSF’s High-Performance 2-Row Radiator is complete with precise CNC machined fittings and brackets to allow ease of installation in the complex plastic housing system. It also includes an OEM-style wire harness bracket system to secure the harness that runs across the top of the radiator.

In addition to CSF’s high-performance radiator core design, CSF has added an upgraded plate-type transmission oil cooler to the left side tank for improved transmission cooling in vehicles with automatic transmissions (comes pre-plugged for use in manual transmission vehicles).

Fitment for this complex radiator is truly a drop-in fit, requiring no modifications to install.

  • 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
  • Integrated High-Performance Transmission Oil Cooler for Both Automatic and Manual Transmissions
  • Integrated OEM Style Wire Harness Brackets
  • True “Drop-in Fit” Requires No Modifications to Install
  • Individually Leak and Pressure Tested
  • Smooth Satin Finish
  • 2 Year Limited Warranty
Cross reference numbers
9A712125101, 8K0121251AA, 8K0121251AL



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Related, superseded, cross reference or alternative numbers for comparison.

7091
8K0121251AL
8K0121251AA
9A712125101
7091

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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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