Koyo Radiators and Oil Coolers

Koyo Quality

  • Koyo Quality begins with a selection of premium OE grade materials such as:  aluminum, copper, brass, and plastics.  Koyo products are not only developed and tested to be resilient to harsh outside elements, but also years of under-hood heat cycling as well.
  • The Koyo engineering team develops highly detailed plastic tank molds which include critical features such as structural reinforcements, supports for coolant return lines, fan mounts, and coolant reservoirs.  These details result in why Koyo products are the industry's best fitting and performing aftermarket radiators.
  • Koyo manufactures under strict quality control and careful packaging.  This results in tubes and fins with optimal coolant flow and efficient heat transfer.
  • Koyo packages each radiator securely by strapping each one to rigid cardboard, then supporting delicate areas such as the inlet and outlet, heater tubes, filler necks, etc.  These measures ensure safe delivery of Koyo products.
  • Koyo keeps current with state-of-the-art machinery and building procedures assuring customers the best in quality. Koyo is one of the few aftermarket manufacturers with the capability of reinforcing their header plates for strength and durability like the OEs Reinforced header plates provide increased surface area for support where higher than normal internal pressure exists.
  • Whether your vehicle requires a concentric/plate transmission cooler and threaded UNF, UNEF, NPTF or Quick Disconnect socket type, Koyo has got you covered. Each radiator is made to OE specifications  for a quick and pain-free installation.
  • Koyo die cuts each header plate with state-of-the-art machinery.   Before final assembly, each one is hand inspected for accuracy and cleanliness to assure a tight seal with the O-rings and plastic tanks.
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KOYO VH091664
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KOYO VH091664

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$334.37

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$290.76

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KOYO A13096
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KOYO A13096 Radiator

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$333.88

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$290.33

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KOYO A13117
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KOYO A13117 Radiator

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$333.88

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$290.33

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KOYO R1443N
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Koyo R1443N Mazda 93-95 RX-7 FD3S Turbo MT N-FLO (Dual Pass) Aluminum Radiator

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$333.59

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$290.08

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KOYO R2024
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Koyo R2024 Radiator - R-Series

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$333.59

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$290.08

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KOYO V2926
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KOYO V2926 V-Core Radiator

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$333.43

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$289.94

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KOYO A2977
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KOYO A2977 Radiator

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$325.93

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$283.42

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KOYO R030561
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Koyo R030561 Radiator - R-Series

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$324.59

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$282.25

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KOYO R0747
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KOYO R0747

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$324.59

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$282.25

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KOYO V1139
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KOYO V1139 36MM ALUMINUM RACING RADIATOR 90-97 MIATA

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$324.59

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$282.25

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KOYO V2277
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KOYO V2277

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$324.59

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$282.25

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KOYO A2886
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KOYO A2886 Radiator

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$323.60

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$281.39

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KOYO R020369N
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Koyo R020369N Radiator - R-Series

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$323.55

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$281.35

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KOYO R020252N
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Koyo Radiator - R-Series - 180SX - R020252N - SR20DET

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$323.55

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$281.35

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KOYO A13024
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KOYO A13024 Radiator

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$320.34

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$278.56

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KOYO A13250
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KOYO A13250 Radiator

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$320.34

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$278.56

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KOYO AS-IS-R0171(1)
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KOYO AS-IS-R0171(1)

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$319.75

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$278.04

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KOYO A2681
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KOYO A2681 Radiator

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$317.07

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$275.71

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KOYO HH030561
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KOYO HH030561 HH Series Radiator

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$314.86

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$273.79

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KOYO VH083442
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Koyo VH083442 94-01 Acura Integra 1.8L Radiator

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$314.86

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$273.79

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KOYO A2171
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KOYO A2171 Radiator

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$313.80

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$272.87

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KOYO A13266
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KOYO A13266 Radiator

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$310.75

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$270.22

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KOYO R1958
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KOYO R1958 R-Core Radiator

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$309.97

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$269.54

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KOYO R2218
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Koyo R2218 Radiator - R-Series

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$309.97

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$269.54

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KOYO VH13120
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Koyo VH13120 Radiator - Hyper V-Series

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$309.97

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$269.54

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