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Koyo Aluminum Radiator - 06-11 Civic Si

Koyo Aluminum Radiator - 06-11 Civic Si

SKU: V2926

Regular price $339.00
Sale price $339.00
This is an estimated ship date once your order is placed from JHPUSA. Ship dates do not include weekends and holidays.

Koyorad has engineers their radiators with precision, to directly replace the OEM radiator, maintaining all mounts for the factory fans, fan switch, A/C condenser, and factory hoses. Koyorad’s advanced engineering and design methods, impeccable welds, experienced furnace brazing, and triple pressure testing for quality has earned their excellent reputation in performance.

Koyo's thick dual-core crafted aluminum radiators are a direct OEM replacement radiator's that offer maximum cooling efficiency and has integrated OEM rad-fan mounting provisions.

Koyo incorporates application specific mounting locations for all fan shrouds, inlet/outlet hoses and top/bottom mounting pins, ensuring quick and pain-free installs. Each Koyo all aluminum race radiator is Heliarc welded individually by hand. This creates the strongest aluminum to aluminum bond, to mate all components. Precision machined billet filler necks are incorporated on each Koyo radiator for strength, durability and better sealing. Construction under strict quality control and solid boxing result in tubes with optimal coolant flow and fins with highly efficient heat transfer.


  • 36mm V Core series radiator
  • Precise tube and fin alignment
  • Nocolok-R brazing with brushed polish finish
  • High density fully brazed Hyper Core
  • Precision TIG welded
  • Dual row construction
  • Bolt-on fitment with OEM fans, hoses, and sensors
  • 1/8” NPT female accessory fitting
  • Billet drain plug included
  • Triple Pressure tested for high performance needs
  • Radiator cap not included

Vehicle application: 06-11 Civic Si Coupe & Sedan (M/T)


We realize that returns and exchanges are a part of the purchasing process and we do our best to make it as easy as possible. If you are not 100% satisfied with your purchase, you can return your order to JHPUSA within 14 DAYS from the invoice date.

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