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Upgrade your Honda Civic Si with the Mishimoto Part Number misMMTS-CIV-06 Racing Thermostat designed specifically for models from 2006 to 2013. This high-performance thermostat is engineered to activate at a lower temperature of 68°C (154°F) compared to standard thermostats, which typically open around 82°C (180°F). As a result, coolant begins circulating through your engine sooner, promoting more efficient cooling and helping to maintain optimal engine temperatures during spirited driving or modified turbo applications. This feature is particularly beneficial for high-performance or heavily modified engines that tend to run hotter, reducing the risk of overheating and ensuring consistent performance even under demanding conditions. The Mishimoto racing thermostat is a direct-fit replacement, making installation straightforward and ensuring a reliable upgrade for your vehicle's cooling system.
Fitment:
2004 Acura TSX Base
2005 Acura TSX Base
2006 Acura TSX Base
2006 Honda Civic DX
2006 Honda Civic EX
2006 Honda Civic GX
2006 Honda Civic Hybrid
2006 Honda Civic LX
2006 Honda Civic Si
2007 Acura RDX Base
2007 Acura TSX Base
2007 Honda Civic DX
2007 Honda Civic EX
2007 Honda Civic GX
2007 Honda Civic Hybrid
2007 Honda Civic LX
2007 Honda Civic Si
2007 Honda CR-V EX
2007 Honda CR-V EX-L
2007 Honda CR-V LX
2008 Acura RDX Base
2008 Acura TSX Base
2008 Honda Civic DX
2008 Honda Civic EX
2008 Honda Civic GX
2008 Honda Civic Hybrid
2008 Honda Civic LX
2008 Honda Civic MUGEN Si
2008 Honda Civic Si
2008 Honda CR-V EX
2008 Honda CR-V EX-L
2008 Honda CR-V LX
2009 Honda Civic DX
2009 Honda Civic EX
2009 Honda Civic EX-L
2009 Honda Civic GX
2009 Honda Civic Hybrid
2009 Honda Civic Hybrid-L
2009 Honda Civic LX
2009 Honda Civic LX-S
2009 Honda Civic Si
2009 Honda CR-V EX
2009 Honda CR-V EX-L
2009 Honda CR-V LX
2010 Honda Civic DX
2010 Honda Civic EX
2010 Honda Civic EX-L
2010 Honda Civic GX
2010 Honda Civic Hybrid
2010 Honda Civic Hybrid-L
2010 Honda Civic LX
2010 Honda Civic LX-S
2010 Honda Civic Si
2010 Honda CR-V EX
2010 Honda CR-V EX-L
2010 Honda CR-V LX
2011 Honda Civic DX
2011 Honda Civic EX
2011 Honda Civic EX-L
2011 Honda Civic GX
2011 Honda Civic Hybrid
2011 Honda Civic Hybrid-L
2011 Honda Civic LX
2011 Honda Civic LX-S
2011 Honda Civic Si
2011 Honda CR-V EX
2011 Honda CR-V EX-L
2011 Honda CR-V LX
2011 Honda CR-V SE
2012 Honda Civic DX
2012 Honda Civic EX
2012 Honda Civic EX-L
2012 Honda Civic GX
2012 Honda Civic HF
2012 Honda Civic Hybrid
2012 Honda Civic Hybrid-L
2012 Honda Civic LX
2012 Honda Civic Si
2012 Honda CR-V EX
2012 Honda CR-V EX-L
2012 Honda CR-V LX
2013 Honda Civic EX
2013 Honda Civic EX-L
2013 Honda Civic HF
2013 Honda Civic Hybrid
2013 Honda Civic Hybrid-L
2013 Honda Civic LX
2013 Honda Civic Natural Gas
2013 Honda Civic Si
2013 Honda CR-V EX
2013 Honda CR-V EX-L
2013 Honda CR-V LX
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After this time, we cannot be held responsible for lost or damaged items.
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After 30 days, we are unable to accept returns, exchanges, or refund requests.
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Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
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Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
