{"title":"Coolant Bypass Kits","description":null,"products":[{"product_id":"fleece-performance-1in-8346","title":"Fleece Performance Universal Pre-Formed 5\/8in ID Hose w\/ 90 Deg. Ends\/1in ID T-Fitting","description":"Fleece Performance Model FPE-34258-A\u003cbr\u003e\u003cbr\u003e\u003cp\u003eUniversal preformed 5\/8 inch hose with 90 degree ends and T-fitting (1 inch ID on the T).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCreate clean routings and installations with this preformed coolant hose.\u003c\/li\u003e\n\u003cli\u003eSee graphic for hose lengths.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486531907834,"sku":"FPEFPE-34258-A","price":32.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/2b8b893f399e46f752bd7aafdf1bcc40.jpg?v=1692382368"},{"product_id":"fleece-performance-05-6842","title":"Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans)","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-0305\u003cbr\u003e\u003cbr\u003eAnother 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\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/05b0e70ba4a8b4470986c17c1795c2a8.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eLaramie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eLaramie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486540787962,"sku":"FPEFPE-CLNTBYPS-CUMMINS-0305","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/0195b08adf5be2bf9aa8105f2c463500.jpg?v=1692382463"},{"product_id":"fleece-performance-05-2378","title":"Fleece Performance 03-05 Auto Trans Cummins Coolant Bypass Kit w\/ Stainless Steel Braided Line","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-0305-SS\u003cbr\u003e\u003cbr\u003e\u003cp\u003eIncreased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9\/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures.\u003c\/p\u003e\n\u003cp\u003eThis can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure.\u003c\/p\u003e\n\u003cp\u003eOur coolant bypass kit adds 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.\u003cbr\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLowers coolant temperature at the rear cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures consistent temperatures across all cylinders\u003c\/li\u003e\n\u003cli\u003ePrevents damaging coolant pressure build up\u003c\/li\u003e\n\u003cli\u003eComplete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.\u003c\/li\u003e\n\u003cli\u003eKits for MY 2003 and up include billet hose brackets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do I need a Fleece Coolant Bypass?\u003c\/strong\u003e\u003cbr\u003eOne of the biggest issues on the 5.9\/6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature\/over-pressure condition. The Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.\u003cbr\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe 2003 - 2007 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger. The heat exchanger is designed for use in cold climates to warm the transmission fluid with the engine coolant. It is not necessary for use in warm climates or high horsepower applications, nor does it detrimentally affect the trucks performance when removed.\u003c\/li\u003e\n\u003cli\u003eFor model years 2007 - 2018 6.7L trucks, including both automatic and manual equipped transmissions, factory installed transmission fluid heat exchangers are uncommon. For customers with a 6.7L that has a heat exchanger, a heater tube can be purchased at your local Chrysler Dealership [PN:68048997AA] to complete the installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486541213946,"sku":"FPEFPE-CLNTBYPS-CUMMINS-0305-SS","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/cac1d5b6e02976bd9334e7e78f459f38.jpg?v=1692382465"},{"product_id":"fleece-performance-07-5146","title":"Fleece Performance 04.5-07 Dodge 5.9L Cummins Coolant Bypass Kit (06-07 Auto Trans)","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-0607\u003cbr\u003e\u003cbr\u003eAnother 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\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/adb047cb44a066840f6e3b606ef9a0a2.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eLaramie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eSport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eTRX4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eLaramie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eSport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eTRX4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486541312250,"sku":"FPEFPE-CLNTBYPS-CUMMINS-0607","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/16269515c86d8df0c2802eddc2d72344.jpg?v=1692382466"},{"product_id":"fleece-performance-07-7914","title":"Fleece Performance 06-07 Auto Trans Cummins Coolant Bypass Kit w\/ Stainless Steel Braided Line","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-0607-SS\u003cbr\u003e\u003cbr\u003e\u003cp\u003eIncreased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9\/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures.\u003c\/p\u003e\n\u003cp\u003eThis can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure.\u003c\/p\u003e\n\u003cp\u003eOur coolant bypass kit adds 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLowers coolant temperature at the rear cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures consistent temperatures across all cylinders\u003c\/li\u003e\n\u003cli\u003ePrevents damaging coolant pressure build up\u003c\/li\u003e\n\u003cli\u003eComplete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.\u003c\/li\u003e\n\u003cli\u003eKits for MY 2003 and up include billet hose brackets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do I need a Fleece Coolant Bypass?\u003c\/strong\u003e\u003cbr\u003eOne of the biggest issues on the 5.9\/6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature \/ over-pressure condition. The Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.\u003cbr\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe 2003 - 2007 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger. The heat exchanger is designed for use in cold climates to warm the transmission fluid with the engine coolant. It is not necessary for use in warm climates or high horsepower applications, nor does it detrimentally affect the trucks performance when removed.\u003c\/li\u003e\n\u003cli\u003eFor model years 2007 - 2018 6.7L trucks, including both automatic and manual equipped transmissions, factory installed transmission fluid heat exchangers are uncommon. For customers with a 6.7L that has a heat exchanger, a heater tube can be purchased at your local Chrysler Dealership [PN:68048997AA] to complete the installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486541410554,"sku":"FPEFPE-CLNTBYPS-CUMMINS-0607-SS","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/acd3b5fd0183a7c4f03facb2d4496474.jpg?v=1692382469"},{"product_id":"fleece-performance-7l-0682","title":"Fleece Performance 07.5-12 Dodge\/RAM 2500\/3500 6.7L Cummins Coolant Bypass Kit","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-0712\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThe Fleece Performance coolant bypass for the 2007.5-2012 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish.\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncreased Coolant Flow, Decreased Coolant Temperatures\u003c\/strong\u003e\u003cbr\u003eThe rear cylinders on the 6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures.\u003c\/p\u003e\n\u003cp\u003eThis can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure.\u003c\/p\u003e\n\u003cp\u003eOur coolant bypass kit adds 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLowers coolant temperature at the rear cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures consistent temperatures across all cylinders\u003c\/li\u003e\n\u003cli\u003ePrevents damaging coolant pressure build up\u003c\/li\u003e\n\u003cli\u003eComplete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do I need a Fleece Coolant Bypass?\u003c\/strong\u003e\u003cbr\u003eOne of the biggest issues on the 6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature\/over-pressure condition.\u003c\/p\u003e\n\u003cp\u003eThe Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.\u003cbr\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRear coolant bypass thermostat housing\u003c\/li\u003e\n\u003cli\u003eFront coolant bypass thermostat housing\u003c\/li\u003e\n\u003cli\u003eNew EGR cross-over tube gaskets\u003c\/li\u003e\n\u003cli\u003eBlack braided nylon coolant bypass hose with protective high temperature sleeve and AN fittings\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486541508858,"sku":"FPEFPE-CLNTBYPS-CUMMINS-0712","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/1ae7c7853f9f3b354668b0199ebe5632.png?v=1692382470"},{"product_id":"fleece-performance-12v-3450","title":"Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-12V\u003cbr\u003e\u003cbr\u003eAnother product from Fleece Performance built out of necessity is the 1998.5-2002 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 dema\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/b0ba23729a8aff361844546ea4484a2b.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-1998\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-1998\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486541607162,"sku":"FPEFPE-CLNTBYPS-CUMMINS-12V","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/59a8768bd6210aa1c0a88d31474b3cb5.jpg?v=1692382472"},{"product_id":"fleece-performance-12v-6218","title":"Fleece Performance 94-98 12V Coolant Bypass Kit w\/ Stainless Steel Braided Line","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-12V-SS\u003cbr\u003e\u003cbr\u003e\u003cp\u003eIncreased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9\/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures.\u003c\/p\u003e\n\u003cp\u003eThis can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure.\u003c\/p\u003e\n\u003cp\u003eOur coolant bypass kit adds 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLowers coolant temperature at the rear cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures consistent temperatures across all cylinders\u003c\/li\u003e\n\u003cli\u003ePrevents damaging coolant pressure build up\u003c\/li\u003e\n\u003cli\u003eComplete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.\u003c\/li\u003e\n\u003cli\u003eKits for MY 2003 and up include billet hose brackets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do I need a Fleece Coolant Bypass?\u003c\/strong\u003e\u003cbr\u003eOne of the biggest issues on the 5.9\/6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature \/ over-pressure condition. The Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.\u003cbr\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe 2003 - 2007 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger. The heat exchanger is designed for use in cold climates to warm the transmission fluid with the engine coolant. It is not necessary for use in warm climates or high horsepower applications, nor does it detrimentally affect the trucks performance when removed.\u003c\/li\u003e\n\u003cli\u003eFor model years 2007 - 2018 6.7L trucks, including both automatic and manual equipped transmissions, factory installed transmission fluid heat exchangers are uncommon. For customers with a 6.7L that has a heat exchanger, a heater tube can be purchased at your local Chrysler Dealership [PN:68048997AA] to complete the installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486541705466,"sku":"FPEFPE-CLNTBYPS-CUMMINS-12V-SS","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/97e00d83e7f0cde78d51d22e68c1574c.jpg?v=1692382473"},{"product_id":"fleece-performance-13-18-ram-2500-3500-6-7l-cummins-coolant-bypass-kit","title":"Fleece Performance 13-18 RAM 2500\/3500 6.7L Cummins Coolant Bypass Kit","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-1318\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThe Fleece Performance coolant bypass for the 2013-2018 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish.\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncreased Coolant Flow, Decreased Coolant Temperatures\u003c\/strong\u003e\u003cbr\u003eThe rear cylinders on the 6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures.\u003c\/p\u003e\n\u003cp\u003eThis can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure.\u003c\/p\u003e\n\u003cp\u003eOur coolant bypass kit adds 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLowers coolant temperature at the rear cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures consistent temperatures across all cylinders\u003c\/li\u003e\n\u003cli\u003ePrevents damaging coolant pressure build up\u003c\/li\u003e\n\u003cli\u003eComplete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do I need a Fleece Coolant Bypass?\u003c\/strong\u003e\u003cbr\u003eOne of the biggest issues on the 6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature\/over-pressure condition.\u003c\/p\u003e\n\u003cp\u003eThe Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.\u003cbr\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRear coolant bypass thermostat housing\u003c\/li\u003e\n\u003cli\u003eFront coolant bypass thermostat housing\u003c\/li\u003e\n\u003cli\u003eNew EGR cross-over tube gaskets\u003c\/li\u003e\n\u003cli\u003eBlack braided nylon coolant bypass hose with protective high temperature sleeve and AN fittings\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486541967610,"sku":"FPEFPE-CLNTBYPS-CUMMINS-1318","price":379.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/1e6788356d7a2cce9e1dcdebbd67de8c.png?v=1692382476"},{"product_id":"fleece-performance-07-4522","title":"Fleece Performance 03-07 Dodge 5.9L \/ 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans)","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-MAN\u003cbr\u003e\u003cbr\u003eAnother 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\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/05cfbe3f55eb736fa37d505dbbeb20eb.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eLaramie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004,2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eSport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004,2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eTRX4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eLaramie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eSport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eTRX4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486542065914,"sku":"FPEFPE-CLNTBYPS-CUMMINS-MAN","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/228fe1371e290f83a63ed6ea749dc323.jpg?v=1692382477"},{"product_id":"fleece-performance-18-7290","title":"Fleece Performance 03-18 Cummins Coolant Bypass Service Kit","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-SER-KIT\u003cbr\u003e\u003cbr\u003e\u003cp\u003eComplete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo thermostats included to service all production years, you will only use one (1) of the included thermostats when replacing your bypass thermostat.\u003c\/li\u003e\n\u003cli\u003eThis kit does not include the Cummins thermostat.\u003c\/li\u003e\n\u003cli\u003eThe kit includes 3 new square cut O-rings and 1 new standard O-ring as well as 2 new O-rings for each of AN fittings.\u003c\/li\u003e\n\u003cli\u003eWhen used with MY94 - MY2002 kits, not all O-rings will be utilized.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486542164218,"sku":"FPEFPE-CLNTBYPS-CUMMINS-SER-KIT","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/70cc1966ae2159c7f493a5848cb25c6d.jpg?v=1692382479"},{"product_id":"fleece-performance-9l-0058","title":"Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-VP\u003cbr\u003e\u003cbr\u003eAnother product from Fleece Performance built out of necessity is the 1998.5-2002 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 dema\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/29d390687d1378bec2f444313097e175.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998-2002\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998-2002\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486542262522,"sku":"FPEFPE-CLNTBYPS-CUMMINS-VP","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/c5a984540f903146f2b0b122f20a38cd.jpg?v=1692382481"},{"product_id":"fleece-performance-02-5594","title":"Fleece Performance 98.5-02 VP Coolant Bypass Kit w\/ Stainless Steel Braided Line","description":"Fleece Performance Model FPE-CLNTBYPS-CUMMINS-VP-SS\u003cbr\u003e\u003cbr\u003e\u003cp\u003eIncreased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9\/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures.\u003c\/p\u003e\n\u003cp\u003eThis can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure.\u003c\/p\u003e\n\u003cp\u003eOur coolant bypass kit adds 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLowers coolant temperature at the rear cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures consistent temperatures across all cylinders\u003c\/li\u003e\n\u003cli\u003ePrevents damaging coolant pressure build up\u003c\/li\u003e\n\u003cli\u003eComplete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.\u003c\/li\u003e\n\u003cli\u003eKits for MY 2003+ include billet hose brackets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do I need a Fleece Coolant Bypass?\u003c\/strong\u003e\u003cbr\u003eOne of the biggest issues on the 5.9\/6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature \/ over-pressure condition. The Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.\u003cbr\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe 2003 - 2007 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger. The heat exchanger is designed for use in cold climates to warm the transmission fluid with the engine coolant. It is not necessary for use in warm climates or high horsepower applications, nor does it detrimentally affect the trucks performance when removed.\u003c\/li\u003e\n\u003cli\u003eFor model years 2007 - 2018 6.7L trucks, including both automatic and manual equipped transmissions, factory installed transmission fluid heat exchangers are uncommon. For customers with a 6.7L that has a heat exchanger, a heater tube can be purchased at your local Chrysler Dealership [PN:68048997AA] to complete the installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486542393594,"sku":"FPEFPE-CLNTBYPS-CUMMINS-VP-SS","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/69dd66d7d7ba89bb910f09e2c6d83363.jpg?v=1692382482"},{"product_id":"fleece-performance-3500-3722","title":"Fleece Performance 98.5-07 Dodge 2500\/3500 Cummins Replacement Thermostat Housing w\/Aux Port","description":"Fleece Performance Model FPE-CUMM-TH-1318\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThe 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 inch-14) fitting to allow you to customize your coolant routings and includes port plug FPE-SP-7814.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for thermostat elbow included in our coolant bypass kits: FPE-CLNTBYPS-CUMM-0712 and FPE-CLNTBYPS-CUMM-1318.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for Cummins part numbers 5283433 and 3943297.\u003c\/li\u003e\n\u003cli\u003eAuxiliary port is threaded to accept a -10AN (7\/8 inch-14) fitting.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44486545211642,"sku":"FPEFPE-CUMM-TH-1318","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/9304\/7546\/products\/26ca19545e45d2fef0d040196fdfba92.png?v=1692382518"}],"url":"https:\/\/www.powerhouse-diesel.com\/collections\/coolant-bypass-kits.oembed","provider":"Powerhouse Diesel","version":"1.0","type":"link"}