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❄️ Keep your Civic Si cool, calm, and track-ready—upgrade like a pro!
The Mishimoto MMRAD-CIV-06SI is a high-performance aluminum radiator engineered specifically for 2006-2011 Honda Civic Si models with K-series engines. Featuring a two-row, 1.57-inch thick brazed aluminum core and all-aluminum construction with a magnetic drain plug, it delivers superior cooling efficiency and durability. Compact in size yet powerful in function, this radiator ensures optimal engine temperature regulation on both street and track, backed by a lifetime warranty for lasting peace of mind.




















| ASIN | B003GZE1G0 |
| Best Sellers Rank | #1,913,627 in Automotive ( See Top 100 in Automotive ) #9,485 in Automotive Replacement Engine Radiators |
| Brand Name | Mishimoto |
| Cooler Heatsink Compatibility | 2006-2011 Honda Civic Si (K-series engine) |
| Cooler Heatsink Material | Aluminum |
| Customer Reviews | 4.6 4.6 out of 5 stars (33) |
| Global Trade Identification Number | 00748354798890, 07483547988902 |
| Included Components | Per Item Description |
| Item Dimensions L x W x H | 26.8"L x 18.2"W x 2.07"H |
| Item Weight | 5 pounds |
| Manufacturer | Mishimoto |
| Model | MMRAD-CIV-06SI |
| Number of Items | 1 |
| Part Interchange Info | MMRADCIV06SI |
| Part Number | MMRADCIV06SI |
| UPC | 748354798890 |
| Unit Count | 1 Count |
| Warranty Description | Lifetime |
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