{"product_id":"fleece-performance-13-18-ram-2500-3500-6-7l-cummins-coolant-bypass-kit","title":"Fleece Performance Coolant Bypass Kit: Ram 2500 \/ 3500 2013-2018 6.7L Diesel","description":"\u003ch1\u003eFleece Performance Coolant Bypass Kit\u003c\/h1\u003e\n\u003ch2\u003e2013–2018 Ram 2500 \/ 3500 6.7L Diesel\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e FPE-CLNTBYPS-CUMMINS-1318\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Fleece Performance Coolant Bypass Kit is engineered specifically for the 2013–2018 Ram 2500 and 3500 models equipped with the 6.7L Cummins diesel engine. Designed to address a common cooling system weakness in these trucks, this kit improves coolant flow to the rear cylinders, which are prone to overheating due to insufficient coolant circulation. By integrating a secondary thermostat that operates based on temperature rather than pressure, the kit ensures consistent coolant temperatures across all cylinders, reducing the risk of freeze plug failures and enhancing engine reliability.\u003c\/p\u003e\n\u003cp\u003eThis coolant bypass kit is an essential upgrade for Cummins owners seeking to maintain optimal engine temperatures, prevent costly repairs, and extend the longevity of their diesel powertrain under demanding conditions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThe Fleece Performance Coolant Bypass Kit offers a comprehensive solution to the cooling challenges faced by the 6.7L Cummins engine. Key features include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSecondary thermostat that activates based on coolant temperature, not pressure, for proactive cooling management\u003c\/li\u003e\n  \u003cli\u003eImproved coolant flow to rear cylinders, lowering their operating temperature\u003c\/li\u003e\n  \u003cli\u003ePrevents excessive pressure buildup in the cooling system, protecting freeze plugs from failure\u003c\/li\u003e\n  \u003cli\u003eEnsures consistent coolant temperatures across all six cylinders for balanced engine cooling\u003c\/li\u003e\n  \u003cli\u003eComplete kit includes braided nylon hose with high-temperature protective sleeve and AN O-ring fittings for a leak-free installation\u003c\/li\u003e\n  \u003cli\u003eOEM-quality fit and finish for seamless integration with factory components\u003c\/li\u003e\n  \u003cli\u003eIncludes all necessary mounting hardware and gaskets for a straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe kit features precision-engineered thermostat housings designed to replace the factory components with improved functionality. The braided nylon coolant hose is reinforced with a high-temperature protective sleeve to withstand the harsh environment under the hood and prevent premature wear. AN O-ring fittings ensure a secure, leak-free connection, while the included gaskets provide a reliable seal for the EGR crossover tube. Every component is built to meet or exceed OEM standards, ensuring durability and long-term performance.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Fleece Performance Coolant Bypass Kit is designed for direct fitment on 2013–2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. Installation requires moderate mechanical skill and basic hand tools. The kit replaces the factory thermostat housings and installs a secondary thermostat along with the braided bypass hose. All necessary hardware and gaskets are included to facilitate a clean, leak-free installation without the need for modifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\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 crossover tube gaskets\u003c\/li\u003e\n  \u003cli\u003eBlack braided nylon coolant bypass hose with high-temperature protective sleeve\u003c\/li\u003e\n  \u003cli\u003eAN O-ring fittings for secure connections\u003c\/li\u003e\n  \u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis coolant bypass kit is ideal for Ram 2500 and 3500 owners who want to improve the cooling efficiency and reliability of their 6.7L Cummins diesel engine. It is especially beneficial for those who tow heavy loads, operate in hot climates, or use their trucks for demanding work applications where engine temperatures can rise significantly. By preventing coolant flow issues and pressure-related failures, this kit helps safeguard your investment and maintain peak engine performance.\u003c\/p\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":48209018454228,"sku":"FPE-CLNTBYPS-CUMMINS-1318","price":379.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/55c604390badec4f73f4ab98635d5b1aL.png?v=1783234548","url":"https:\/\/fasthemis.com\/products\/fleece-performance-13-18-ram-2500-3500-6-7l-cummins-coolant-bypass-kit","provider":"FastHemis","version":"1.0","type":"link"}