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 HH423660
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KOYO HH423660

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$710.83

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KOYO GH020116
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KOYO GH020116

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$676.60

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KOYO KA010647
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KOYO KA010647

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$663.90

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KOYO HH022360
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KOYO HH022360 HH Series Radiator

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$615.99

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$535.64

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KOYO HH422675
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KOYO HH422675 HH Series Radiator

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$610.12

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$530.54

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KOYO HH083833
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KOYO HH083833

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$592.53

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KOYO VH011703N
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KOYO VH011703N

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$592.53

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KOYO VH012493
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KOYO VH012493

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$592.53

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KOYO VH023478
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KOYO VH023478

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$569.05

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KOYO VH322787N
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KOYO VH322787N 36mm Hyper V Series Racing Aluminum Radiator for 13-17 Focus ST

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$533.86

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$464.23

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KOYO VH322965N
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KOYO VH322965N

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$533.86

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KOYO HH012170
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Koyo HH012170 Radiator (All Aluminum Race Hyper Core 2008-2011 Lexus Is-F 5.0L V8 (8At))

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$510.39

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KOYO V2032
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KOYO V2032 V-Core Radiator

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$502.57

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$437.02

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KOYO HH012076
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KOYO HH012076 HH Series Radiator

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$498.66

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$433.62

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KOYO HH021687
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KOYO HH021687 HH Series Radiator Requires Trans Cooler

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$468.36

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$407.27

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KOYO HH083417
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KOYO HH083417 Racing 48mm HH Series Aluminum Performance Radiator Honda Civic Type R FK8

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$460.53

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KOYO VH021568
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KOYO VH021568 Hyper-V Core Radiator

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$456.62

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$397.06

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KOYO H010409
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Koyo H010409 92-96 Toyota Chaser/Mark II/Cresta (JZX90) 2.5L Turbo (M/T) Radiator (JDM Only)

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$442.93

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$385.16

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KOYO HH010860N
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KOYO HH010860N HH Series Radiator N-Flo Dual Pass Core

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$442.93

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KOYO R1856
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KOYO R1856 R-Core Radiator

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$439.02

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KOYO VH13026
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KOYO VH13026 Hyper-V Core Radiator

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$437.07

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$380.06

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KOYO KH082971
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KOYO KH082971

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$433.16

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KOYO KH063152
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KOYO KH063152 KH Series Radiator

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$427.29

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$371.56

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KOYO VH061885
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KOYO VH061885 Hyper-V Core Radiator

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$427.29

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KOYO HH062267
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KOYO HH062267 HH Series Radiator

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$425.34

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