Koyo - Brand Collection
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Koyo 08-15 Subaru WRX / STI 05-09 Subaru Legacy GT 2.5L (MT / w/ Filler Neck) Radiator
Regular price $514.91 USDRegular price$565.60 USDSale price $514.91 USDSale -
Koyo 99-01 Subaru Impreza RS / Outback 99-02 Subaru Forester 2.5L Performance Radiator
Regular price $515.48 USDRegular price$566.40 USDSale price $515.48 USDSale -
Koyo 00-09 Honda S2000 2.0/2.2L (MT) Radiator
Regular price $500.40 USDRegular price$544.20 USDSale price $500.40 USDSale -
Koyo 89-97 Mazda MX-5 Miata 1.6/1.8L (MT) Radiator
Regular price $347.05 USDRegular price$470.20 USDSale price $347.05 USDSale -
Koyo 08-09 Mitsubishi Evolution X (AT/MT) / Ralliart Turbo Radiator
Regular price $374.93 USDRegular price$511.20 USDSale price $374.93 USDSale -
Koyo 02-06 Acura RSX Base/Type-S (MT) Radiator (Req. Non-OEM Rad. Cap)
Regular price $361.07 USDRegular price$490.80 USDSale price $361.07 USDSale -
Koyo 03-05 Dodge SRT-4 2.4L Turbo (MT) Radiator
Regular price $350.88 USDRegular price$480.60 USDSale price $350.88 USDSale -
Koyo 94-01 Acura Integra (MT w/ Showa/Denso OEM) Radiator
Regular price $343.14 USDRegular price$464.40 USDSale price $343.14 USDSale -
Koyo 10-14 Mazda Mazda3/Mazdaspeed3 2.3L/2.5L I4 Radiator
Regular price $493.06 USDRegular price$533.40 USDSale price $493.06 USDSale -
Koyo 2022 Honda Civic 1.5L Turbo (MT and CVT) / 2023 Acura Integra All Aluminum Radiator
Regular price $802.20 USDRegular price$802.20 USDSale price $802.20 USD -
Koyo Honda 92-00 Civic/93-97 Del Sol 1.6L w/ 32mm Inlet/Outlet Pipes MT Radiator
Regular price $310.12 USDRegular price$415.80 USDSale price $310.12 USDSale -
Koyo 03-07 Mitsubishi Evolution 7/8/9 Turbo (MT) Half-Size RACE Radiator
Regular price $465.18 USDRegular price$492.40 USDSale price $465.18 USDSale -
Koyo 08-11 Lexus IS-F 5.0L (AT) Radiator
Regular price $607.61 USDRegular price$702.00 USDSale price $607.61 USDSale -
97-00 Evo 4/5/6 MT Aluminum Radiator by Koyo (HH030939)
Regular price $350.10 USDRegular price$551.40 USDSale price $350.10 USDSale -
Koyo Manual Transmission Radiator | 1992-2000 Honda Civic (HH080300)
Regular price $264.00 USDRegular price$415.80 USDSale price $264.00 USDSale -
Koyorad Dual Pass Heat Exchanger (KH183627)
Regular price $352.91 USDRegular price$555.80 USDSale price $352.91 USDSale -
Koyo 25 Row Oil Cooler - 11.25" x 7.5" x 2.0" (XC251108W)
Regular price $205.56 USDRegular price$323.80 USDSale price $205.56 USDSale -
Koyorad Universal 35 Row Oil Cooler (XC351111W)
Regular price $318.10 USDRegular price$501.00 USDSale price $318.10 USDSale -
Koyo Universal Tube and Find Crossflow Fluid Cooler (XC052304)
Regular price $313.68 USDRegular price$494.00 USDSale price $313.68 USDSale -
Koyo 19 Row Oil Cooler - 11.25" x 5.75" x 2.0" (XC191106W)
Regular price $188.80 USDRegular price$297.40 USDSale price $188.80 USDSale -
Koyo 10 Row Oil Cooler - 11.25" x 3.0" x 2.0" (XC101103W)
Regular price $114.51 USDRegular price$180.40 USDSale price $114.51 USDSale -
Koyorad Aluminum Coolant Filler Neck | 2013-2020 Scion FR-S / Toyota 86 (FN2320)
Regular price $62.32 USDRegular price$98.20 USDSale price $62.32 USDSale -
Koyo Alumium Radiator Acura RSX
Regular price $311.62 USDRegular price$490.80 USDSale price $311.62 USDSale -
Koyo Hyper Blue Radiator Cap | 2013-2021 BRZ/FR-S/86 (SK-D13)
Regular price $31.24 USDRegular price$49.20 USDSale price $31.24 USDSale -
Koyo Universal Hyper Red Radiator Cap (SK-C13)
Regular price $31.24 USDRegular price$49.20 USDSale price $31.24 USDSold out -
Koyorad All-Aluminum Remote Radiators | 2020-2026 Toyota Supra / 2018-2025 BMW Z4 3.0L (HH423660)
Regular price $672.24 USDRegular price$1,008.40 USDSale price $672.24 USDSale -
Koyorad Aluminum High Performance Radiator | 2015-2020 BMW M3/M4 (VH423704)
Regular price $638.40 USDRegular price$957.60 USDSale price $638.40 USDSold out -
Koyo Radiator | 1988-1999 BMW 3-Series/M3 (HH422674)
Regular price $332.27 USDRegular price$484.60 USDSale price $332.27 USDSold out
Upgrade Your BMW with Koyo Cooling Components for Optimal Performance
Enhance your BMW's cooling system with our curated collection of Koyo aftermarket parts. Designed specifically for models from 2000 to 2023, these high-quality upgrades improve heat management, durability, and overall driving response. Whether you're on the street or the track, Koyo components help your BMW perform at its best under demanding conditions.
What are the benefits of upgrading to Koyo cooling parts for your BMW?
Upgrading to Koyo radiators, oil coolers, and other cooling components ensures your BMW maintains optimal operating temperatures, even during intense driving. These high-performance parts help prevent overheating, extend engine life, and improve overall reliability. Proper cooling is essential for maximizing power and response in enthusiast builds.
- Enhanced heat dissipation for demanding driving conditions
- Improved engine response and longevity
- Seamless fitment for BMW models from 2000-2023
- Reliable aftermarket quality designed for performance
How do I choose the right Koyo cooling upgrade for my BMW?
Selecting the appropriate Koyo component depends on your specific BMW model, year, and performance goals. Consider your driving style—whether daily commuting, spirited driving, or track use—and choose parts that match your needs. Our collection offers options tailored for various BMW platforms to ensure perfect fitment and maximum benefit.
What should I know about installing Koyo cooling parts on your BMW?
Installation of Koyo cooling components is straightforward for experienced enthusiasts, but professional installation is recommended for optimal results. Proper fitment and secure mounting are critical to ensure maximum heat transfer and durability. Shop the FastHemis collection for high-quality Koyo parts that are engineered to meet your BMW’s demands and help you achieve a balanced, high-performance build.





