The Mishimoto Nissan 350Z racing thermostat will promote greater cooling efficiency throughout your engine.A 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 than standard thermostats, also allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures. Mishimoto Nissan 350Z / Infiniti G35 Coupe Racing Thermostat MMTS-350Z-03L 2004-2008 Infiniti FX35 3.5 Liter RE5R05A, 2003-2007 Infiniti G35 3.5 Liter FS6R31A, 2003-2007 Infiniti G35 3.5 Liter RE5R05A, 2006-2008 Infiniti M35 3.5 Liter RE5R05A, 2002 Infiniti Q45 4.5 Liter RE5R05A, 2001-2003 Infiniti QX4 3.5 Liter RE4R01A, 2003-2006 Nissan 350Z 3.5 Liter FS6R31A, 2003-2006 Nissan 350Z 3.5 Liter RE5R05A, 2005-2012 Nissan Frontier 4.0 Liter RE5R05A, 2001-2002 Nissan Pathfinder 3.5 Liter FS5R30A, 2001-2004 Nissan Pathfinder 3.5 Liter RE4R01A, 2005-2012 Nissan Pathfinder 4.0 Liter RE5R05A, 2008-2013 Nissan Xterra 4.0 Liter FS6R31A, 2005-2013 Nissan Xterra 4.0 Liter RE5R05A, 2009-2011 Suzuki Equator 4.0 Liter, 2009-2011 Suzuki Equator 4.0 Liter