The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins. The auxiliary port is threaded to accept a -10AN (7/8"-14) fitting to allow you to customize your coolant routings and includes port plug FPE-SP-7814. APPLICATION NOTES Direct replacement for thermostat elbow included in our coolant bypass kits: FPE-CLNTBYPS-CUMM-0712 and FPE-CLNTBYPS-CUMM-1318. Direct replacement for Cummins part numbers 5283433 and 3943297. Auxiliary port is threaded to accept a -10AN (7/8"-14) fitting.

This Part Fits:

Year	Make	Model	Submodel
1998-2002	Dodge	Ram 2500	Base
2003,2005-2007	Dodge	Ram 2500	Laramie
2003-2007	Dodge	Ram 2500	SLT
2006-2007	Dodge	Ram 2500	Sport
2003-2007	Dodge	Ram 2500	ST
2006-2007	Dodge	Ram 2500	TRX4
1998-2002	Dodge	Ram 3500	Base
2003-2007	Dodge	Ram 3500	Laramie
2003-2007	Dodge	Ram 3500	SLT
2006-2007	Dodge	Ram 3500	Sport
2003-2007	Dodge	Ram 3500	ST
2007	Dodge	Ram 3500	TRX4
2013-2018	Ram	2500	Big Horn
2013-2018	Ram	2500	Laramie
2014-2015	Ram	2500	Laramie Limited
2013-2018	Ram	2500	Laramie Longhorn
2016-2018	Ram	2500	Limited
2013-2015	Ram	2500	Lone Star
2013-2016	Ram	2500	Outdoorsman
2013-2018	Ram	2500	SLT
2013	Ram	2500	ST
2013-2018	Ram	2500	Tradesman
2013-2018	Ram	3500	Big Horn
2013-2018	Ram	3500	Laramie
2014-2015	Ram	3500	Laramie Limited
2013-2018	Ram	3500	Laramie Longhorn
2016-2018	Ram	3500	Limited
2013-2015,2017	Ram	3500	Lone Star
2013-2018	Ram	3500	SLT
2013	Ram	3500	ST
2013-2018	Ram	3500	Tradesman