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Koyorad is the title sponsor of Finalbout 2! Your Official Radiator for this groundbreaking event for the US!

Motormavens unboxes the Koyorad AE86 Radiator part# HH010681. Subscribe and stay tuned for the install video!

GT Channel installs our all new and improved 48mm Honda S2000 radiator!

Koyorad Nobori Japanese Shop Flags are now available through our distributors!

Koyorad T-Shirts now available!

Check out Team Koyorad driver: Amir Bentatou's 1997 BMW M3 in Stanceworks site. Amir has found great success using our off-the-shelf radiator Koyo Part# HH422674 to keep his car cool during extreme track sessions. Koyorad's 48mm Hyper Core provides competition level performance on and off the track. http://www.stanceworks.com/2014/12/taking-the-win-the-stanceworks-m3-finishes-first-at-super-lap-battle-2014/

Koyorad is pleased to announce a new addition to their Japanese Classic radiator line with a direct replacement all-aluminum performance radiator for popular 4 Cylinder Toyota Pickup Trucks 1984-1995 with Manual Transmissions. This application features Koyorad's “HH Series” 48mm radiator core which increases coolant volume and promotes proper air flow to extract the highest performance from 22R and 22RE engines. In typica

Koyorad is pleased to introduce a high quality direct replacement all-aluminum performance radiator for the 4.6L and 5.7L Toyota Tundra and Sequoia. This application features Koyorad's “HH Series” 48mm radiator core which was developed to increase coolant volume, promote proper air flow and coolant circulation. In typical fashion, Koyorad has engineered this radiator with precision, directly replacing the stock OEM plastic/aluminum radiator and will bolt e

Koyorad is a proud sponsor of Finalbout! Your Official Radiator for this groundbreaking event for the US!

Koyorad is pleased to introduce a high quality direct replacement performance radiator for the 2010-2014 Mazdaspeed 3. This radiator features Koyorad's KH Series 25mm radiator core, developed to improve heat dissipation by increasing coolant volume while promoting proper air flow and coolant circulation. In typical fashion, Koyorad engineered this radiator to directly replace the stock OEM radiator for a quick and simple installation. Koyorad has also integrated a 1/8 PT female accessory fitting (supplied with a threaded plug) to accept temperature sensors typically included with most aftermarket temperature gauges. Koyorad’s superior quality, precision hand welds, reliability and uniformity are what have earned Koyorad their excellent reputation in performance radiators worldwide.