Mishimoto
Mishimoto 02-05 Honda Civic SI Manual Aluminum Radiator
SKU: M00C MMRAD-CIV-02SI
Description
Part #: MMRAD-CIV-02SI
A Mishimoto performance aluminum radiator is the ideal upgrade to the stock Civic radiator. For a cooler more efficient running engine, all Mishimoto radiators are designed and engineered to maximize cooling, boost engine functions, and most importantly prevent your car from overheating. Made with 100-percent brazed aluminum and polished end tanks, this lightweight dual core radiator will enhance the overall performance and lifetime of your engine. All Mishimoto radiators come with a high pressure 1.3 bar Mishimoto radiator cap and are backed with limited lifetime warranty. Fits USDM EP3 Civic SI (2002-2005) Fits UKDM EP3 Civic Type R (2002-2005)
Features:
- Direct fit for the 2002-2005 Honda Civic Si w/ K20 engine
- Full aluminum construction with durable TIG-welded end tanks
- Features a two-row, 1.42" thick brazed aluminum core which provides efficient fluid temperature regulation on the street and track
- Includes 1.3 Bar High-Pressure Radiator Cap which effectively raises the boiling point of engine coolant, providing a safer and more efficient system
- Polished end tanks improve engine bay aesthetics
- Includes Magnetic Drain Plug to capture any metallic debris/fragments in your cooling system
- Mishimoto Lifetime Warranty
Aluminum radiator engineered for efficient heat dissipation and optimal engine cooling. Precision-fit design ensures easy installation, corrosion resistance, and reliable performance across varied driving conditions.
Fitment
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Specifications
| Brand | Mishimoto |
| Part Number | M00C MMRAD-CIV-02SI |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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