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!
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  1. Koyo Radiator Heater Assembly - GC10/KGC10/KPGC10 - HBA020005

    Koyo Radiator Heater Assembly - GC10/KGC10/KPGC10 - HBA020005

      Not Purchasable via RHDJapan
       
    1. Koyo Radiator Radiator

      Koyo Radiator Radiator

        Not Purchasable via RHDJapan
         
      1. KOYO Type M Aluminum Radiator - ZC11S ZC31S ZD11S Quick view

        KOYO Type M Aluminum Radiator - ZC11S ZC31S ZD11S

         

        List Price: ¥78,529

        Sale Price: ¥58,199

        You Save: ¥20,330

      1. KOYO Type R Copper Radiator - JZA80 Kouki Quick view

        KOYO Type R Copper Radiator - JZA80 Kouki

         

        List Price: ¥101,156

        Sale Price: ¥74,959

        You Save: ¥26,197

      1. KOYO Type R Copper Radiator - ST200 ST202 ST205 Quick view

        KOYO Type R Copper Radiator - ST200 ST202 ST205

         

        List Price: ¥101,156

        Sale Price: ¥74,959

        You Save: ¥26,197

      1. KOYO Type R Copper Radiator - JZS161 Quick view

        KOYO Type R Copper Radiator - JZS161

         

        List Price: ¥115,797

        Sale Price: ¥85,809

        You Save: ¥29,988

      1. KOYO Type R Copper Radiator - FC3S Kouki Quick view

        KOYO Type R Copper Radiator - FC3S Kouki

         

        List Price: ¥101,156

        Sale Price: ¥74,959

        You Save: ¥26,197

      1. KOYO Type R Copper Radiator - NA6CE NA8CE Quick view

        KOYO Type R Copper Radiator - NA6CE NA8CE

         

        List Price: ¥101,156

        Sale Price: ¥74,959

        You Save: ¥26,197

      1. KOYO Type R Copper Radiator - BG5 GC8 Quick view

        KOYO Type R Copper Radiator - BG5 GC8

         

        List Price: ¥101,156

        Sale Price: ¥74,959

        You Save: ¥26,197

      1. KOYO Type R Copper Radiator - EG6 EK9 Quick view

        KOYO Type R Copper Radiator - EG6 EK9

        Lead Time: Ships
         2025-06-13

        List Price: ¥101,156

        Sale Price: ¥74,959

        You Save: ¥26,197

      1. KOYO Type R Copper Radiator - DC5 EG6 EK9 Quick view

        KOYO Type R Copper Radiator - DC5 EG6 EK9

         

        List Price: ¥101,156

        Sale Price: ¥74,959

        You Save: ¥26,197

      1. KOYO Type S Copper Radiator - Z32 Quick view

        KOYO Type S Copper Radiator - Z32

         

        List Price: ¥59,895

        Sale Price: ¥44,389

        You Save: ¥15,506

      1. KOYO Type S Copper Radiator - K11 Quick view

        KOYO Type S Copper Radiator - K11

         

        List Price: ¥75,867

        Sale Price: ¥56,219

        You Save: ¥19,648

      1. KOYO Type S Copper Radiator - JZX81 Quick view

        KOYO Type S Copper Radiator - JZX81

         

        List Price: ¥79,860

        Sale Price: ¥59,179

        You Save: ¥20,681

      1. KOYO Type S Copper Radiator - JZS147 Quick view

        KOYO Type S Copper Radiator - JZS147

         

        List Price: ¥92,400

        Sale Price: ¥68,469

        You Save: ¥23,931

      1. KOYO Type S Copper Radiator - Z16A Quick view

        KOYO Type S Copper Radiator - Z16A

         

        List Price: ¥82,500

        Sale Price: ¥61,139

        You Save: ¥21,361

      1. KOYO Type S Copper Radiator - NA6CE NA8CE Quick view

        KOYO Type S Copper Radiator - NA6CE NA8CE

         

        List Price: ¥69,300

        Sale Price: ¥51,359

        You Save: ¥17,941

      1. KOYO Type S Copper Radiator - NB6C NB8CE Quick view

        KOYO Type S Copper Radiator - NB6C NB8CE

         

        List Price: ¥69,300

        Sale Price: ¥51,359

        You Save: ¥17,941

      1. KOYO Type S Copper Radiator - EG6 EK9 Quick view

        KOYO Type S Copper Radiator - EG6 EK9

         

        List Price: ¥64,900

        Sale Price: ¥48,099

        You Save: ¥16,801

      1. KOYO Type S Copper Radiator - S14 S15 Quick view

        KOYO Type S Copper Radiator - S14 S15

         

        List Price: ¥69,300

        Sale Price: ¥51,359

        You Save: ¥17,941

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