Koyo Aluminum Racing Radiator S13 SR20DET

Upgrade your Nissan S13 SR20DET cooling system with the Koyo Aluminum Racing Radiator featuring the advanced 48mm “HH” Series core. Engineered with ultra-high fin density, this radiator maximizes heat transfer efficiency to keep your engine running cooler under demanding conditions.

Precision Fit and Quality Construction

Designed as a direct replacement for the stock OE plastic/aluminum radiator, this unit installs quickly and easily with no modifications required. The OE-specific mounting points ensure a seamless fit, maintaining factory alignment and stability.

Premium Manufacturing Standards

• Hand-assembled and Nocolok brazed for superior strength and reliability
• TIG welded by hand using the highest quality aluminum materials
• Produced in Koyorad’s privately owned factories in Japan, allowing stringent quality control at every production stage

Enhanced Features

• 48mm thick “HH” Series Hyper Core for improved cooling capacity
• Billet aluminum filler neck enhancing durability and aesthetics
• Integrated 1/8″ NPT female accessory fitting with a threaded plug, compatible with aftermarket temperature sensors and gauges

The Koyo Aluminum Racing Radiator combines cutting-edge design with meticulous craftsmanship to deliver excellent performance and longevity. Whether for spirited street driving or track use, this radiator offers reliable, efficient cooling tailored specifically for the Nissan S13 chassis with SR20DET engine.