Koyo Radiator

Koyo Radiator
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    Koyorad is pleased to introduce a direct replacement all aluminum performance radiator for the 2012 through 2015 Honda Civic SI. This new radiator features Koyorad's KH Series high density 25mm core. Koyorad’s radiator design and selection of materials results in the most effective and efficient means of heat extraction while also allowing proper air circulation through the engine bay. Koyorad was able to increase coolant volume while keeping overall weight to a minimum. In typical fashion, Koyorad has engineered this radiator with precision, directly replacing the stock OEM plastic/aluminum radiator and will bolt easily to the factory equipped fan shroud for a quick and simple installation. Koyorad’s superior quality, precision hand welds, reliability and uniformity are what have earned Koyorad their excellent reputation in performance cooling worldwide.

    You need to use a Koyo radiator cap with this radiator.


    • Koyorad KH 25mm Hyper Core with high efficiency louvered fins
    • Three times individually pressure tested for quality
    • CNC Machined Aluminum filler neck and drain plug
    • Brushed Aluminum Finish
    • Plug and Play installation using OEM fan shroud


    Vehicle Fitment

    Honda Civic
    2012 Honda Civic Si Coupe
    2013 Honda Civic Si Coupe
    2014 Honda Civic Si Coupe
    2015 Honda Civic Si Coupe
    2012 Honda Civic Si Sedan
    2013 Honda Civic Si Sedan
    2014 Honda Civic Si Sedan
    2015 Honda Civic Si Sedan

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