Engine Thermostat Compatible with Nissan: Fit for 2004 Pathfinder Armada 5.6l, 2018-2019 Armada 5.6l, 2008-2012 Pathfinder 5.6l, 2004-2015 Titan 5.6l, 2005-2015 Armada 5.6l, 2012-2017 NV2500 5.6l, 2012-2017 NV3500 5.6l (Please Check Vehicle Model and Interchangeable Part Numbers to Confirm Compatibility in Pictures Before Purchasing)
Engine Thermostat Compatible with Infiniti: Fit for 2003-2004 M45 4.5l, 2003-2008 FX45 4.5l, 2004-2013 QX56 5.6l, 2006-2010 M45 4.5l, 2009-2013 FX50 5.0l, 2011-2013 M56 5.6l, 2014-2015 QX80 5.6l, 2014-2017 Q70 5.6l, 2014-2017 QX70 5.0l, 2015-2017 Q70L 5.6l, 2002-2006 Q45 4.5l. (Please Check Vehicle Model and Interchangeable Part Numbers to Confirm Compatibility in Pictures Before Purchasing)
OE Number 21200-1LA1A 21200-AD200 21200-AD201
Matches the OEM product fit, function and design
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