Honda Civic SI Racing Thermostat - MFG Part No. MMTS-CIV-06
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MISHIMOTOPART NUMBER: 690-MMTS-CIV-06

Honda Civic SI Racing Thermostat - MFG Part No. MMTS-CIV-06

$9195
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ShippingShips on Sep 14, 2026
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Honda Civic SI Racing Thermostat - MFG Part No. MMTS-CIV-06

Mishimoto 690-MMTS-CIV-06 Features:

The Mishimoto racing thermostat for the 2006-2011 Honda Civic Si will promote greater cooling efficiency throughout your engine.The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applica tions.Once the engine is fully warmed up the Mishimoto racing thermostat will open up at a lower temperature (68 C) than standard thermostats (82 C), also allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures.The Mishimoto racing thermostat for the 2006-2011 Honda Civic Si will promote greater cooling efficiency throughout your engine.The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications.Once the engine is fully warmed up the Mishimoto racing thermostat will open up at a lower temperature (68 C) than standard thermostats (82 C), also allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures.
  • Fits the 2006–2013 Honda Civic SI
  • Fits the 2006-2013 Honda Civic SI
  • Activates at lower temperature so coolant flows through system earlier
  • Allows for cooler engine temperatures
  • Mishimoto Lifetime Warranty
Part TypeThermostat
BrandMISHIMOTO
Package Height3.0
Package Width4.0
Package Length6.0
Weight1.0 PG
Part CategoryPerformance Parts
Part FitmentDirect Fit
Vendor Part NumberMMTS-CIV-06
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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