Mishimoto · New
Mishimoto 06+ Honda Civic SI Manual Aluminum Radiator
MPN MMRAD-CIV-06SI · Store SKU misMMRAD-CIV-06SI
Supplier stock checked 11/7/2026, 8:20:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
A Mishimoto performance aluminum radiator is the ideal upgrade to the stock 2006-2011 Honda Civic Si 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 two row core radiator will enhance the overall performance and lifetime of your engine.All Mishimoto radiators are backed by a lifetime warranty.Check out the 2006-2011 Civic Si hose kit, for even greater cooling efficiency. 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% brazed aluminum and polished end tanks, this lightweight two row core radiator will enhance the overall performance and lifetime of your engine.All Mishimoto radiators are backed by a lifetime warranty.Check out the 2006-2011 Civic Si hose kit, for even greater cooling efficiency. 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. Performance Aluminum Radiator, fits Honda Civic SI 2006-2011 Honda Civic SI Performance Aluminum Radiator
Manufacturer fitment & guides
- 2007-2010 Honda Civic 2.0 Liter PNN3, 2006 Honda Civic 2.0 Liter PNN4, 2011 Honda Civic 2.0 Liter SPNM
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
