Fleece Performance 07.5-12 Dodge 6.7L Cummins Coolant Bypass Kit (07.5-15 6.7L)

Another product from Fleece Performance built out of necessity is the 2003-2013 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When the horsepower is increased there is an increased demand on the cooling system. The rear cylinders suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the system, especially the rear of the block and possibly blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. We?ve designed our coolant bypass kit with a secondary thermostat, that unlike other brands, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. Our kit comes with high quality AN o-ring fittings and AN hose connections with braided hose to ensure a leak free installation.This Part Fits: Year Make Model Submodel 2007-2010 Dodge Ram 2500 Laramie 2007-2010 Dodge Ram 2500 SLT 2007-2010 Dodge Ram 2500 ST 2008-2010 Dodge Ram 2500 SXT 2007-2010 Dodge Ram 3500 Laramie 2007-2010 Dodge Ram 3500 SLT 2007 Dodge Ram 3500 Sport 2007-2010 Dodge Ram 3500 ST 2008-2010 Dodge Ram 3500 SXT 2013-2014 Ram 2500 Big Horn 2011-2014 Ram 2500 Laramie 2014 Ram 2500 Laramie Limited 2011-2014 Ram 2500 Laramie Longhorn 2013-2014 Ram 2500 Lone Star 2012-2014 Ram 2500 Outdoorsman 2011-2014 Ram 2500 SLT 2011-2013 Ram 2500 ST 2013-2014 Ram 2500 Tradesman 2013-2014 Ram 3500 Big Horn 2011-2014 Ram 3500 Laramie 2014 Ram 3500 Laramie Limited 2011-2014 Ram 3500 Laramie Longhorn 2013-2014 Ram 3500 Lone Star 2011-2014 Ram 3500 SLT 2011-2013 Ram 3500 ST 2013-2014 Ram 3500 Tradesman