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KOYO

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 FN2320
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Koyo 13-16 Scion FR-S / Subaru BRZ Aluminum Filler Neck

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$75.33

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$65.50

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In Stock - 2 New In Stock

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KOYO BKOYOFLASK
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KOYO BKOYOFLASK

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$19.60

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$17.04

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In Stock - 91 New In Stock

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KOYO CCR2311
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KOYO CCR2311

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$361.79

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$314.60

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KOYO CCR2810
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KOYO CCR2810

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$361.79

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$314.60

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KOYO CCS1805
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KOYO CCS1805

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$216.11

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$187.92

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In Stock - 7 New In Stock

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KOYO CCS2214
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KOYO CCS2214

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$283.57

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$246.58

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KOYO CCS2410
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KOYO CCS2410

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$316.81

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$275.49

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KOYO FN2313
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KOYO FN2313

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$75.33

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$65.50

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KOYO GH020116
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KOYO GH020116

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$676.60

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$588.35

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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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In Stock - 15 New In Stock

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KOYO HH010681
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KOYO HH010681 HH Series Radiator

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$383.30

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$333.30

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In Stock - 4 New In Stock

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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 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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$443.82

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KOYO HH012756
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KOYO HH012756 HH Series Radiator

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$359.84

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$312.90

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KOYO HH012827
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KOYO HH012827 HH Series Radiator

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$374.50

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$325.65

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In Stock - 11 New In Stock

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KOYO HH020214
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KOYO HH020214 HH Series Radiator

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$409.70

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$356.26

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KOYO HH020252N
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KOYO HH020252N HH Series Radiator N-Flo Dual Pass Core

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$392.09

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$340.95

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KOYO HH020369N
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KOYO HH020369N HH Series Radiator N-Flo Dual Pass Core

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$392.09

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$340.95

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KOYO HH020442
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KOYO HH020442 HH Series Radiator

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$409.70

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$356.26

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KOYO HH020539
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KOYO HH020539 HH Series Radiator

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$345.16

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$300.14

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In Stock - 1 New In Stock

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KOYO HH020645
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KOYO HH020645 HH Series Radiator

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$345.16

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$300.14

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KOYO HH020879
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KOYO HH020879 HH Series Radiator

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$409.70

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$356.26

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KOYO HH021568
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KOYO HH021568 HH Series Radiator

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$392.09

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$340.95

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In Stock - 19 New In Stock

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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 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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In Stock - 7 New In Stock