Brand new and never used, directly replaces the old one and easy installation.
Fitment: for Honda Civic Si 2.0L L4 - Gas 2002 ;for Honda Civic Si 2.0L L4 - Gas 2003;for Honda Civic Si 2.0L L4 - Gas 2004;for Honda Civic Si 2.0L L4 - Gas 2005 ;for Honda CR-V EX, LX 2.4L L4 - Gas 2002 ;for Honda CR-V EX, LX 2.4L L4 - Gas 2003 ;for Honda CR-V EX, LX 2.4L L4 - Gas 2004 ;for Honda CR-V EX, LX, SE 2.4L L4 - Gas 2005 ;for Honda CR-V EX, LX, SE 2.4L L4 - Gas 2006 ;for Acura RSX 2.0L l4 2002-2006
OE Number: 19320-PNA-003
Good Replacement: The engine's thermostat regulates the temperature of the engine by controlling coolant flow. A bad or failing thermostat: high temperature reading and engine overheating, low temperature reading and underheated engine, temperature changing erratically, coolant leaks around thermostat housing or under the vehicle. How to fine thermostat: You can find your car's thermostat by starting at the upper radiator hose and following it to where it enters the top of the engine.