Mishimoto Aluminum Radiator Honda Civic Si 2006-2011

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The Mishimoto performance aluminum radiator for the Civic Si is designed to maximize cooling efficiency by up to 30%, boost engine functions, and most importantly protect your car from overheating. The Mishimoto aluminum radiator features a lightweight dual core, 100% brazed aluminum, and polished end tanks, enhancing the overall performance of your engine. Every Mishimoto aluminum radiator is a direct OEM fit making installation effortless with no cutting or modification required. All Mishimoto radiators come with a high pressure 1.3 bar Mishimoto radiator cap and a limited lifetime warranty including accident protection. Mishimoto makes excellent radiators for both the daily driver or dedicated track car.


  • Overall Size: 26.8" x 18.2" x 5"
  • Core Size: 14.72" x 26.30"
  • Rows: 2
  • Core Thickness: 1.57"
  • Tank Wall Thickness: .08"


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