Golden Week Schedule / Campaign 2025

Details on Blog​

KOYO-RADIATOR - RHDJapan

If you ask around for advice on cooling parts for your car, a common name you'll hear is Koyo. Koyo Radiator has been around for the last 50 years making radiators, intercoolers, oil coolers, condensers, and evaporators for cars, air conditioners, and any other machine or building in need of their services. Among tuners of course, Koyo is known for their high quality Racing Radiator lineup. Both Copper and Aluminum radiators are available from Koyo's Racing Radiator series and both types are available in two or three core sizes. Koyo Racing Radiators are heavily used in motorsports competition and have proved themselves time and again for their cooling capability.If you're in need of a high performance radiator that's guaranteed to keep your tuned motor cool in the extreme heat, look no further than Koyo Radiator!
Set Descending Direction

  1. KOYO High Pressure Radiator Cap Quick view

    KOYO High Pressure Radiator Cap

    7 0 5 4.9

    7 Review(s) | Add Your Review

     

    List Price: ¥2,750

    Sale Price: ¥2,149

    You Save: ¥601

  1. KOYO Type F Aluminum Radiator - BG5 GC8 Quick view

    KOYO Type F Aluminum Radiator - BG5 GC8

     

    List Price: ¥101,156

    Sale Price: ¥74,959

    You Save: ¥26,197

  1. KOYO Type M Aluminum Radiator - BRZ ZC6 86 ZN6 Quick view

    KOYO Type M Aluminum Radiator - BRZ ZC6 86 ZN6

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type S Copper Radiator - MA70 Quick view

    KOYO Type S Copper Radiator - MA70

     

    List Price: ¥59,895

    Sale Price: ¥44,389

    You Save: ¥15,506

  1. KOYO Type S Copper Radiator - AE101 AE111 Quick view

    KOYO Type S Copper Radiator - AE101 AE111

     

    List Price: ¥82,500

    Sale Price: ¥61,139

    You Save: ¥21,361

  1. KOYO Type S Copper Radiator - JZX90 Quick view

    KOYO Type S Copper Radiator - JZX90

     

    List Price: ¥82,500

    Sale Price: ¥61,139

    You Save: ¥21,361

  1. KOYO Type R Copper Radiator - EC5A EA5W EC5W Quick view

    KOYO Type R Copper Radiator - EC5A EA5W EC5W

     

    List Price: ¥101,156

    Sale Price: ¥74,959

    You Save: ¥26,197

  1. KOYO Type R Copper Radiator - CN9A CP9A Quick view

    KOYO Type R Copper Radiator - CN9A CP9A

     

    List Price: ¥101,156

    Sale Price: ¥74,959

    You Save: ¥26,197

  1. KOYO Type R Copper Radiator - CT9A Quick view

    KOYO Type R Copper Radiator - CT9A

     

    List Price: ¥101,156

    Sale Price: ¥74,959

    You Save: ¥26,197

  1. KOYO Type M Aluminum Radiator - CPV35 Quick view

    KOYO Type M Aluminum Radiator - CPV35

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - Z33 Quick view

    KOYO Type M Aluminum Radiator - Z33

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - NCP13 Quick view

    KOYO Type M Aluminum Radiator - NCP13

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - Lancer Evolution X CZ4A Quick view

    KOYO Type M Aluminum Radiator - Lancer Evolution X CZ4A

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - FC3S Kouki Quick view

    KOYO Type M Aluminum Radiator - FC3S Kouki

     

    List Price: ¥99,825

    Sale Price: ¥73,979

    You Save: ¥25,846

  1. KOYO Type M Aluminum Radiator - RX-8 SE3P Quick view

    KOYO Type M Aluminum Radiator - RX-8 SE3P

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - NA6CE NA8CE Quick view

    KOYO Type M Aluminum Radiator - NA6CE NA8CE

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - NB6C NB8CE Quick view

    KOYO Type M Aluminum Radiator - NB6C NB8CE

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - VM4 VMG Quick view

    KOYO Type M Aluminum Radiator - VM4 VMG

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - EP3 Quick view

    KOYO Type M Aluminum Radiator - EP3

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

  1. KOYO Type M Aluminum Radiator - DC5 Quick view

    KOYO Type M Aluminum Radiator - DC5

     

    List Price: ¥78,529

    Sale Price: ¥58,199

    You Save: ¥20,330

Set Descending Direction

Please wait

Please wait...

Added to cart
Your Session is not Valid.

Please Login
Continue shopping View cart & checkout
Removed from cart

{{var product.name}}
Continue shopping View cart & checkout