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-29%
Koyo VH322965N FITS: 14-19 Ford Fiesta ST 36mm Hyper Core + NFLO Triple Pass Radiator Radiators Quick View
Koyo

Koyo VH322965N FITS: 14-19 Ford Fiesta ST 36mm Hyper Core + NFLO Triple Pass Radiator Radiators

$743.80 $525.88
KOYVH322965N
Cooling Instock Koyo Radiators
Koyo 14-19 Ford Fiesta ST 36mm Hyper Core + NFLO Triple Pass Radiator
-28%
New
Quick View
Koyo

Koyo 22-26 Hyundai Elantra N All Aluminum Radiator

$617.50 $439.09
KOYHH814086
Cooling Koyo Pre-Order Radiators
Koyo 22-26 Hyundai Elantra N All Aluminum Radiator
-29%
Koyo 97-05 Toyota Aristo / Lexus GS300 Radiator Quick View
Koyo

Koyo 97-05 Toyota Aristo / Lexus GS300 Radiator

$796.00 $561.77
KOYHH010647
Cooling Koyo Pre-Order Radiators
Koyo 97-05 Toyota Aristo / Lexus GS300 Radiator
-28%
User 1 Quick View
Koyo

Koyo Universal Aluminum HyperCore Intercooler Core (28in. X 10in. X 4in.)

$520.80 $372.59
KOYCCR2810
Forced Induction Instock Intercoolers Koyo
Koyo Universal Aluminum HyperCore Intercooler Core (28in. X 10in. X 4in.)
-28%
Photo - Primary Quick View
Koyo

Koyo 68-72 Nissan Skyline L20 I6 MT (KGC10) Radiator (SK-C13 Required)

$536.40 $383.32
KOYHH023610
Cooling Instock Koyo Radiators
Manual Transmission only. w/ L20 I6 MT (C10 Chassis) OEM cap is not compatible. Revised filler neck allows use of modern caps Koyorad SK-C13...
-29%
Photo - Primary Quick View
Koyo

Koyo 2022 Honda Civic 1.5L Turbo (MT and CVT) / 2023 Acura Integra All Aluminum Radiator

$802.20 $566.06
KOYHH083833
Cooling Instock Koyo Radiators
Koyo 2022 Honda Civic 1.5L Turbo (MT and CVT) / 2023 Acura Integra All Aluminum Radiator
-28%
Koyo VH093890 FITS: 22-25 Subaru WRX All Aluminum Performance Radiator Radiators Quick View
Koyo

Koyo VH093890 FITS: 22-25 Subaru WRX All Aluminum Performance Radiator Radiators

$650.00 $462.96
KOYVH093890
Commerceinstruments Best Selling Products Cooling Instock Koyo Radiators
Koyo 22-25 Subaru WRX All Aluminum Performance Radiator
-29%
New
Koyo RH313986 FITS: 05-13 Chevrolet Corvette C6 Racing Radiator Radiators Quick View
Koyo

Koyo RH313986 FITS: 05-13 Chevrolet Corvette C6 Racing Radiator Radiators

$830.40 $585.44
KOYRH313986
Cooling Instock Koyo Radiators
Koyo 05-13 Chevrolet Corvette C6 Racing Radiator
-26%
Koyo XC251108W FITS: 25 Row Oil Cooler 11.25in x 7.5in x 2in (AN-10 ORB provisions) Oil Coolers Quick View
Koyo

Koyo XC251108W FITS: 25 Row Oil Cooler 11.25in x 7.5in x 2in (AN-10 ORB provisions) Oil Coolers

$323.80 $237.13
KOYXC251108W
Cooling Instock Koyo Oil Coolers
Koyo 25 Row Oil Cooler 11.25in x 7.5in x 2in (AN-10 ORB provisions)
-26%
Koyo XC191106W FITS: 19 Row Oil Cooler 11.25in x 5.75in x 2in (AN-10 ORB provisions) Oil Coolers Quick View
Koyo

Koyo XC191106W FITS: 19 Row Oil Cooler 11.25in x 5.75in x 2in (AN-10 ORB provisions) Oil Coolers

$297.40 $218.98
KOYXC191106W
Commerceinstruments Best Selling Products Cooling Instock Koyo Oil Coolers
Koyo 19 Row Oil Cooler 11.25in x 5.75in x 2in (AN-10 ORB provisions)
-28%
Koyo VH422857 FITS: 99-05 BMW E46 (Non M3) M/T ONLY Radiator Radiators Quick View
Koyo

Koyo VH422857 FITS: 99-05 BMW E46 (Non M3) M/T ONLY Radiator Radiators

$496.80 $357.60
KOYVH422857
Cooling Instock Koyo Radiators
Manual Transmission only; E46 Non M3 Manual Trans M54 Engine. Fits (320i/323Ci/323i/325Ci/325i/325xi/328Ci/328i/330Ci/330i/330xi)This Part Fits: Year Make Model Submodel 2001-2005 BMW 325Ci Base 2001-2005 BMW...
-28%
Koyo VH012664N FITS: 13-20 Scion FR-S / Subaru BRZ 2.0L / 22+ Toyota GR86 / Subaru BRZ 2.4L (MT/AT) Radiator Radiators Quick View
Koyo

Koyo VH012664N FITS: 13-20 Scion FR-S / Subaru BRZ 2.0L / 22+ Toyota GR86 / Subaru BRZ 2.4L (MT/AT) Radiator Radiators

$532.20 $380.43
KOYVH012664N
Cooling Instock Koyo Radiators
Koyo 13-20 Scion FR-S / Subaru BRZ 2.0L / 22+ Toyota GR86 / Subaru BRZ 2.4L (MT/AT) Radiator
-28%
Koyo VH010934N FITS:rad 01-05 Lexus IS300 (w/ Manual Transmission) Racing Radiator Radiators Quick View
Koyo

Koyo VH010934N FITS:rad 01-05 Lexus IS300 (w/ Manual Transmission) Racing Radiator Radiators

$613.20 $436.12
KOYVH010934N
Cooling Instock Koyo Radiators
Koyorad 01-05 Lexus IS300 (w/ Manual Transmission) Racing Radiator
-28%
Koyo RH249525 FITS: Honda Universal Pocket Radiator Radiators Quick View
Koyo

Koyo RH249525 FITS: Honda Universal Pocket Radiator Radiators

$550.00 $394.15
KOYRH249525
Cooling Instock Koyo Radiators
Koyorad RH249525 Racing All Aluminum Radiator
-28%
Koyo HH030939 FITS: 97-00 Mitsubishi Evolution 4/5/6 Turbo (MT) Radiator *For use with 03-07 Evo Fan Shroud ONLY* Radiators Quick View
Koyo

Koyo HH030939 FITS: 97-00 Mitsubishi Evolution 4/5/6 Turbo (MT) Radiator *For use with 03-07 Evo Fan Shroud ONLY* Radiators

$551.40 $393.63
KOYHH030939
Commerceinstruments Best Selling Products Cooling Instock Koyo Radiators
Koyo 97-00 Mitsubishi Evolution 4/5/6 Turbo (MT) Radiator *For use with 03-07 Evo Fan Shroud ONLY*
-28%
Koyo HH023194 FITS: 00-02 Nissan Skyline GTR 2.6L Turbo Racing Radiator Radiators Quick View
Koyo

Koyo HH023194 FITS: 00-02 Nissan Skyline GTR 2.6L Turbo Racing Radiator Radiators

$558.60 $398.58
KOYHH023194
Cooling Instock Koyo Radiators
Manual Transmission only. R34 (between Sept '00 to '02 only)
-28%
Koyo HH020442 FITS: 94-98 Nissan Skyline GT-R/GT-S 2.6L Turbo Radiator Radiators Quick View
Koyo

Koyo HH020442 FITS: 94-98 Nissan Skyline GT-R/GT-S 2.6L Turbo Radiator Radiators

$556.60 $397.18
KOYHH020442
Cooling Instock Koyo Radiators
Manual Transmission only. Also Fits R34 (Non GT-R) with:RB25DE, RB25DET, and RB25DE
-28%
Koyo HH010860N FITS: 96-00 Toyota Chaser JZX100 2.5L Inline 6 Turbo w/ Manual Trans Radiator Radiators Quick View
Koyo

Koyo HH010860N FITS: 96-00 Toyota Chaser JZX100 2.5L Inline 6 Turbo w/ Manual Trans Radiator Radiators

$605.60 $431.48
KOYHH010860N
Commerceinstruments Best Selling Products Cooling Instock Koyo Radiators
Koyo 96-00 Toyota Chaser JZX100 2.5L Inline 6 Turbo w/ Manual Trans Radiator
-16%
Koyo FN2320 FITS: 13-16 Scion FR-S / Subaru BRZ Aluminum Filler Neck Coolant Fill Necks Quick View
Koyo

Koyo FN2320 FITS: 13-16 Scion FR-S / Subaru BRZ Aluminum Filler Neck Coolant Fill Necks

$98.20 $82.03
KOYFN2320
Coolant Fill Necks Fabrication Instock Koyo
Koyo 13-16 Scion FR-S / Subaru BRZ Aluminum Filler Neck
-27%
Koyo RT001 FITS: Expansion Tanks FITS: 06-15 Mazda Miata NC All-Aluminum Reservoir Expansion Tank Expansion Tanks Quick View
Koyo

Koyo RT001 FITS: Expansion Tanks FITS: 06-15 Mazda Miata NC All-Aluminum Reservoir Expansion Tank Expansion Tanks

$417.20 $301.40
KOYRT001
Cooling Expansion Tanks Instock Koyo
Koyo 06-15 Mazda Miata NC All-Aluminum Reservoir Expansion Tank
-28%
Koyo HH083967 FITS: Radiators FITS: 23+ Honda Civic Type R (FL5) All Aluminum Radiator Radiators Quick View
Koyo

Koyo HH083967 FITS: Radiators FITS: 23+ Honda Civic Type R (FL5) All Aluminum Radiator Radiators

$635.80 $451.63
KOYHH083967
Cooling Instock Koyo Radiators
Koyo 23+ Honda Civic Type R (FL5) All Aluminum Radiator
-16%
Koyo FN2316 FITS: Coolant Fill Necks FITS: 08-15 Mitsubishi Evolution X Aluminum Filler Neck Coolant Fill Necks Quick View
Koyo

Koyo FN2316 FITS: Coolant Fill Necks FITS: 08-15 Mitsubishi Evolution X Aluminum Filler Neck Coolant Fill Necks

$99.00 $82.61
KOYFN2316
Coolant Fill Necks Fabrication Koyo Pre-Order
Koyo 08-15 Mitsubishi Evolution X Aluminum Filler Neck
-28%
Koyo CCS2410 FITS: Intercoolers FITS: Universal Aluminum HyperCore Intercooler Core (24in. X 10in. X 2.5in.) Intercoolers Quick View
Koyo

Koyo CCS2410 FITS: Intercoolers FITS: Universal Aluminum HyperCore Intercooler Core (24in. X 10in. X 2.5in.) Intercoolers

$450.20 $324.08
KOYCCS2410
Forced Induction Instock Intercoolers Koyo
Koyo Universal Aluminum HyperCore Intercooler Core (24in. X 10in. X 2.5in.)
-28%
Koyo HH012664 FITS: Radiators FITS: 2022+ Toyota GR86 and Subaru BRZ Competition All-Aluminum Radiator Radiators Quick View
Koyo

Koyo HH012664 FITS: Radiators FITS: 2022+ Toyota GR86 and Subaru BRZ Competition All-Aluminum Radiator Radiators

$635.20 $451.22
KOYHH012664
Cooling Instock Koyo Radiators
Koyo 2022+ Toyota GR86 and Subaru BRZ Competition All-Aluminum Radiator
-16%
Koyo FN3037 FITS: Filler Necks FITS: 2022 Toyota GR86/ Subaru BRZ Aluminum Filler Neck Filler Necks Quick View
Koyo

Koyo FN3037 FITS: Filler Necks FITS: 2022 Toyota GR86/ Subaru BRZ Aluminum Filler Neck Filler Necks

$98.20 $82.03
KOYFN3037
Coolant Fill Necks Fabrication Filler Necks Instock Koyo
Koyo 2022 Toyota GR86/ Subaru BRZ Aluminum Filler Neck
-28%
Koyo VH012493 FITS: Radiators FITS:rad 10-20 Toyota 4Runner 4.0L V6 (5th Gen) Aluminum Radiator Off-Road Use Only Radiators Quick View
Koyo

Koyo VH012493 FITS: Radiators FITS:rad 10-20 Toyota 4Runner 4.0L V6 (5th Gen) Aluminum Radiator Off-Road Use Only Radiators

$801.60 $573.60
KOYVH012493
Cooling Instock Koyo Radiators
Koyorad 10-20 Toyota 4Runner 4.0L V6 (5th Gen) Aluminum Radiator - Off-Road Use Only
-27%
Koyo CCS2214 FITS: Intercoolers FITS: Universal Aluminum HyperCore Intercooler Core (22in. X 14in. X 2.5in.) Intercoolers Quick View
Koyo

Koyo CCS2214 FITS: Intercoolers FITS: Universal Aluminum HyperCore Intercooler Core (22in. X 14in. X 2.5in.) Intercoolers

$414.80 $299.75
KOYCCS2214
Forced Induction Instock Intercoolers Koyo
Koyo Universal Aluminum HyperCore Intercooler Core (22in. X 14in. X 2.5in.)
-28%
Koyo XC351111W FITS: Oil Coolers FITS: 35 Row Oil Cooler 11.25in x 11in x 2in (-10AN ORB provisions) Oil Coolers Quick View
Koyo

Koyo XC351111W FITS: Oil Coolers FITS: 35 Row Oil Cooler 11.25in x 11in x 2in (-10AN ORB provisions) Oil Coolers

$501.00 $358.98
KOYXC351111W
Cooling Instock Koyo Oil Coolers
Koyo 35 Row Oil Cooler 11.25in x 11in x 2in (-10AN ORB provisions)
-23%
Koyo XC101103W FITS: Oil Coolers FITS: 10 Row Oil Cooler 11.25in x 3in x 2in (AN-10 ORB provisions) Oil Coolers Quick View
Koyo

Koyo XC101103W FITS: Oil Coolers FITS: 10 Row Oil Cooler 11.25in x 3in x 2in (AN-10 ORB provisions) Oil Coolers

$180.40 $138.54
KOYXC101103W
Cooling Instock Koyo Oil Coolers
Koyo 10 Row Oil Cooler 11.25in x 3in x 2in (AN-10 ORB provisions)
-28%
Koyo XC052304 FITS: Oil Coolers FITS: Universal Tube and Fin Crossflow Fluid Cooler Oil Coolers Quick View
Koyo

Koyo XC052304 FITS: Oil Coolers FITS: Universal Tube and Fin Crossflow Fluid Cooler Oil Coolers

$494.00 $354.20
KOYXC052304
Cooling Instock Koyo Oil Coolers
Koyo Universal Tube and Fin Crossflow Fluid Cooler
-28%
Koyo VH011703N FITS: Radiators FITS: -rad 03-09 Toyota 4Runner/Lexus GX470 4.7l Aluminum Radiator Off-Road Use Only Radiators Quick View
Koyo

Koyo VH011703N FITS: Radiators FITS: -rad 03-09 Toyota 4Runner/Lexus GX470 4.7l Aluminum Radiator Off-Road Use Only Radiators

$802.60 $573.11
KOYVH011703N
Cooling Instock Koyo Radiators
Koyorad 03-09 Toyota 4Runner/Lexus GX470 4.7l Aluminum Radiator - Off-Road Use Only
-1%
Koyo SK-C13 FITS: Radiator Caps FITS: Type A Radiator Cap (Red / 1.3 Bar) Radiator Caps Quick View
Koyo

Koyo SK-C13 FITS: Radiator Caps FITS: Type A Radiator Cap (Red / 1.3 Bar) Radiator Caps

$49.20 $48.37
KOYSK-C13
Cooling Instock Koyo Radiator Caps
Red Label: fits all KOYORAD radiators w/ fillernecks(Red) Koyorad Hyper Radiator Cap - Deep Plunger Style
-30%
Koyo PI-2183 FITS: Fittings FITS: 08-15 Subaru WRX/STI / 05-09 Legacy GT 13mm Coolant Reservoir Adapter (For Part# VH091662) Fittings Quick View
Koyo

Koyo PI-2183 FITS: Fittings FITS: 08-15 Subaru WRX/STI / 05-09 Legacy GT 13mm Coolant Reservoir Adapter (For Part# VH091662) Fittings

$41.95 $29.23
KOYPI-2183
Fabrication Fittings Instock Koyo
Koyo 08-15 Subaru WRX/STI / 05-09 Legacy GT 13mm Coolant Reservoir Adapter (For Part# VH091662)
-30%
Koyo PI-2182 FITS: Fittings FITS: 08-15 Subaru WRX/STI 8mm Coolant Reservoir Adapter (For Part# VH091662) Fittings Quick View
Koyo

Koyo PI-2182 FITS: Fittings FITS: 08-15 Subaru WRX/STI 8mm Coolant Reservoir Adapter (For Part# VH091662) Fittings

$41.95 $29.23
KOYPI-2182
Fabrication Fittings Instock Koyo
Koyo 08-15 Subaru WRX/STI 8mm Coolant Reservoir Adapter (For Part# VH091662)
-28%
Koyo HH083417 FITS: Radiators FITS: 2017 Honda Civic Type-R Radiator Radiators Quick View
Koyo

Koyo HH083417 FITS: Radiators FITS: 2017 Honda Civic Type-R Radiator Radiators

$637.40 $452.78
KOYHH083417
Cooling Instock Koyo Radiators
Koyorad HH083417 Racing All Aluminum Radiator
-28%
Koyo HH020879 FITS: Radiators FITS: 1998-Aug 2000 Nissan Skyline GT-R R34 2.6L Turbo Radiator Radiators Quick View
Koyo

Koyo HH020879 FITS: Radiators FITS: 1998-Aug 2000 Nissan Skyline GT-R R34 2.6L Turbo Radiator Radiators

$559.60 $399.24
KOYHH020879
Cooling Instock Koyo Radiators
Manual Transmission only. R34 GT-R (between '98 to Aug '00 only); For R34 Non GT-R with:RB25DE, RB25DET, and RB25DE use HH020442
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Premium Japanese Cooling & Drivetrain Components

Koyo has built a legendary reputation as a trusted manufacturer of high-performance radiators, bearings, and cooling system components for over 80 years. Engineered in Japan and trusted by performance enthusiasts worldwide, Koyo products deliver the reliability and thermal efficiency that serious drivers demand. Whether you're upgrading a BMW M-series, tuning an Audi RS model, or building a custom performance machine, Koyo components are engineered to handle elevated power outputs and sustained track conditions that stock cooling systems simply cannot manage.

Why Enthusiasts Choose Koyo

Performance drivers choose Koyo for one critical reason: superior heat dissipation under extreme conditions. Factory radiators on European performance vehicles often struggle with upgraded turbos, superchargers, and high-output engine tunes. Koyo's aluminum core technology and precision manufacturing ensure your engine stays at optimal temperatures, whether you're pushing through weekend track sessions or aggressive street driving. Beyond cooling, Koyo bearings are precision-engineered to reduce friction, improve longevity, and support increased power delivery in turbochargers and drivetrain components. This is OEM-quality performance engineering at competitive aftermarket pricing.

Complete Cooling System Solutions

Our 23-piece Koyo collection covers everything from complete radiator upgrades to specialized cooling components and performance bearings. Each product is selected for fitment on popular European platforms including BMW, Audi, Volkswagen, Mercedes-Benz, and Porsche, while also serving the broader performance automotive market. Whether you need a bolt-on radiator upgrade, a replacement bearing set, or complete cooling system refresh, EuroPartShop stocks genuine Koyo components with fast shipping and expert support.

Don't let inadequate cooling limit your performance potential. Upgrade to Koyo today and experience the difference precision Japanese engineering brings to your build.

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