KOYORAD – Universal Fit Oil Coolers

KOYORAD – Universal Fit Oil Coolers


Koyorad universal fit oil coolers are now available! For many years in Japan, Koyorad custom oil coolers have proven their effectiveness during competition in D1 Gran Prix and D1 Street Legal on their sponsored vehicles. These purpose-built drift cars are subject to indirect and inconsistent flow of air, occasional contact between vehicles, and high oil pressures, therefore they require superior build quality and high heat transfer efficiency.  

The all new Koyorad universal oil coolers are extremely well built, highly efficient and tough. You can expect the same level of precision and attention to detail as with their all aluminum racing radiators ensuring the highest efficiency within the tightest of engine confines.



Koyorad Oil Coolers incorporate -10 AN ORB (O-Ring Boss) provisions for the inlet and outlet allowing versatility. Users may easily reduce AN to AN, or convert from AN to Push-Loc style barb fittings for any needs. When you’ve invested so much into you engine, function and quality is paramount. Choose an all-new Koyorad universal oil coolers in combination with a Koyorad Racing Radiator for the best cooling system on the market.



  •    Type: Advanced Drawn Cup
  •    Durable Black finish
  •    2 x -10 AN ORB (O-Ring Boss) provisions
  •    Koyorad embossed header plate
  •    Pressure Tested and Deformation tested




XC251108W – 25 row Core Size:  11.25″ x 7.5″ x 2″   approx. volume .5 quarts (17 fluid ounces)

XC191106W – 19 row Core Size: 11.25″ x 5.75″ x 2″  approx. volume .47 quarts (15 fluid ounces)

XC151405W – 15 row Core Size: 14″ x 4.5″ x 2″  approx. volume .47 quarts (15 fluid ounces)

XC101103W – 10 row Core Size” 11.25″ x 3″ x 2″  approx. volume .28 quarts (9 fluid ounces)



Koyorad Universal Oil Coolers do not include hoses, fittings or sandwich adapters. However, Koyo has provided the following guide to assist in purchasing the correct sandwich plate adapter for your vehicle application (reference only, check with your factory service manual to confirm)

20mm 1.5 Sandwich adapter applications:

  • Acura (All)
  • Honda (All)
  • Mazda (All)
  • Mitsubishi Turbo 4 Cyl. Cars (All)
  • 95-98 Nissan 240SX
  • 03-08 Nissan 350Z
  • 09-15 Nissan 370Z
  • Nissan S13 SR20DET blacktop
  • Nissan S14 SR20DET blacktop
  • Subaru EJ20/EJ25 engines (All)


3/4 -16 UNF Sandwich adapter applications:

  • BMW w/ spin on filters (All)
  • 89-94 Nissan 240SX
  • Nissan S13 SR20DET redtop
  • Nissan RB26DET
  • Toyota (All)
  • Scion (All)
  • Mitsubishi Non-Turbo 4 Cyl. Cars (All)


For more information on Koyo's oil coolers and their aluminum racing radiators, visit them at www.koyoradracing.com

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