Enhance Your JDM Drivetrain Efficiency With Koyo Performance Parts
Optimize your drivetrain with the Koyo collection at HD Werks, featuring genuine, high-performance components engineered for racing and aftermarket tuning. These original parts deliver custom upgrades that enhance engine reliability and transmission efficiency. Designed with Japanese precision, Koyo products offer authentic quality and robust performance for aggressive driving. Experience improved power transfer and dynamic control with parts built for superior performance enhancements. Shop our Koyo range for original components that transform your drivetrain into a powerhouse of reliability and efficiency.
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Sold outVendor:Koyo
Koyo 23+ Honda Civic Type R (FL5) All Aluminum Radiator
Regular price $562.99Regular price -
Vendor:Koyo
Koyo 2022+ Toyota GR86 and Subaru BRZ Competition All-Aluminum Radiator
Regular price $562.99Regular price -
Vendor:Koyo
Koyo 94-01 Acura Integra with L15B7 Swap All-Aluminum Radiator
Regular price $548.99Regular price -
-$0.01Vendor:Koyo
Koyo 06-15 Mazda Miata NC All-Aluminum Reservoir Expansion Tank
Regular price $371.99Regular price$372.00-$0.01 Sale price $371.99 -
Sold outVendor:Koyo
Koyo 91-05 Acura NSX Competition Spec All-Aluminum Radiator
Regular price $827.99Regular price$828.00-$0.01 Sale price $827.99 -
-$0.01Vendor:Koyo
Koyo 08-15 Mitsubishi Evolution X Aluminum Filler Neck
Regular price $89.99Regular price$90.00-$0.01 Sale price $89.99 -
-$0.01
Vendor:KoyoKoyo 35 Row Oil Cooler 11.25in x 11in x 2in (-10AN ORB provisions)
Regular price $455.99Regular price$456.00-$0.01 Sale price $455.99 -
Vendor:KoyoKoyo 25 Row Oil Cooler 11.25in x 7.5in x 2in (AN-10 ORB provisions)
Regular price $283.99Regular price -
-$0.01
Vendor:KoyoKoyo 19 Row Oil Cooler 11.25in x 5.75in x 2in (AN-10 ORB provisions)
Regular price $263.99Regular price$264.00-$0.01 Sale price $263.99 -
Vendor:KoyoKoyo 10 Row Oil Cooler 11.25in x 3in x 2in (AN-10 ORB provisions)
Regular price $159.99Regular price -
Vendor:KoyoKoyo Universal Tube and Fin Crossflow Fluid Cooler
Regular price $458.99Regular price -
Vendor:Koyo
Koyo 14-19 Ford Fiesta ST 36mm Hyper Core + NFLO Triple Pass Radiator
Regular price $652.99Regular price -
-$0.01Vendor:Koyo
Koyo 17-22 Subaru Impreza 2.0L Non-Turbo / 18-22 Crosstrek 2.0/2.5L Non-Turbo Aluminum Radiator
Regular price $557.99Regular price$558.00-$0.01 Sale price $557.99 -
Vendor:KoyoKoyo 13-20 Scion FR-S / Subaru BRZ 2.0L / 22+ Toyota GR86 / Subaru BRZ 2.4L (MT/AT) Radiator
Regular price $460.99Regular price -
Vendor:KoyoKoyorad 10-20 Toyota 4Runner 4.0L V6 (5th Gen) Aluminum Radiator - Off-Road Use Only
Regular price $724.99Regular price -
Vendor:KoyoKoyorad 03-09 Toyota 4Runner/Lexus GX470 4.7l Aluminum Radiator - Off-Road Use Only
Regular price $724.99Regular price -
Vendor:Koyo
Koyorad 01-05 Lexus IS300 (w/ Manual Transmission) Racing Radiator
Regular price $543.99Regular price -
Vendor:Koyo
Koyo Type A Radiator Cap (Red / 1.3 Bar)
Regular price $49.99Regular price -
Vendor:KoyoKoyo Honda Universal Pocket Radiator
Regular price $478.99Regular price -
Vendor:KoyoKoyo 08-15 Subaru WRX/STI / 05-09 Legacy GT 13mm Coolant Reservoir Adapter (For Part# VH091662)
Regular price $20.99Regular price -
Vendor:KoyoKoyo 08-15 Subaru WRX/STI 8mm Coolant Reservoir Adapter (For Part# VH091662)
Regular price $20.99Regular price -
-$0.01Vendor:Koyo
Koyo Radiator Drain Plug
Regular price $11.99Regular price$12.00-$0.01 Sale price $11.99 -
Vendor:KoyoKoyo Dual Pass Universal Heat Exchanger (Radiator) - Turbocharged & Supercharged Applications
Regular price $493.99Regular price -
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Vendor:KoyoKoyo 15-20 Honda Fit 1.5L Radiator
Regular price $529.99Regular price -
Vendor:KoyoKoyo 2019 Toyota Corolla Hatchback 6MT and CVT (E210 Chassis) All Aluminum Radiator
Regular price $493.99Regular price -
Vendor:KoyoKoyo 2022 Honda Civic 1.5L Turbo (MT and CVT) / 2023 Acura Integra All Aluminum Radiator
Regular price $724.99Regular price -
Vendor:KoyoKoyo 2017 Honda Civic Type-R Radiator
Regular price $562.99Regular price -
-$0.01
Vendor:KoyoKoyo 97-00 Mitsubishi Evolution 4/5/6 Turbo (MT) Radiator *For use with 03-07 Evo Fan Shroud ONLY*
Regular price $485.99Regular price$486.00-$0.01 Sale price $485.99 -
Vendor:KoyoKoyo 68-72 Nissan Skyline L20 I6 MT (KGC10) Radiator (SK-C13 Required)
Regular price $536.99Regular price -
Vendor:KoyoKoyo 00-02 Nissan Skyline GTR 2.6L Turbo Racing Radiator
Regular price $500.99Regular price -
Vendor:KoyoKoyo 1998-Aug 2000 Nissan Skyline GT-R R34 2.6L Turbo Radiator
Regular price $500.99Regular price -
Vendor:KoyoKoyo 94-98 Nissan Skyline GT-R/GT-S 2.6L Turbo Radiator
Regular price $500.99Regular price -
Vendor:KoyoKoyo Nissan 89-93 Skyline GT-R/GT-S 2.6L (t)/88-94 Cefiro 2.0L (t)/89-93 Laurel 2.0L (t) Radiator
Regular price $500.99Regular price -
Vendor:KoyoKoyo 96-00 Toyota Chaser JZX100 2.5L Inline 6 Turbo w/ Manual Trans Radiator
Regular price $541.99Regular price -
Vendor:KoyoKoyo 92-96 Toyota Chaser/Mark II/Cresta (JZX90) 2.5L Turbo (M/T) Radiator (JDM Only)
Regular price $541.99Regular price
