{"product_id":"fleece-performance-19-22-ram-2500-3500-cummins-6-7l-replacement-thermostat-housing-w-aux-port","title":"Fleece Performance Replacement Thermostat Housing Aux Port: Ram 2500\/3500 2019-2024 6.7L Diesel","description":"\u003ch1\u003eFleece Performance Replacement Thermostat Housing\u003c\/h1\u003e\n\u003ch2\u003e2019–2024 Ram 2500\/3500 6.7L Diesel\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e FPE-CUMM-TH-19\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Fleece Performance Replacement Thermostat Housing with Auxiliary Port is engineered as a direct replacement for the thermostat housing on 2019 to 2024 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. Designed for enthusiasts and professional technicians alike, this component offers enhanced flexibility for coolant system customization. The integrated auxiliary port allows for additional coolant routing options, making it ideal for those upgrading or modifying their cooling systems to improve engine performance and reliability.\u003c\/p\u003e\n\u003cp\u003eThis thermostat housing is a perfect fit for vehicles requiring a reliable replacement part that maintains OEM specifications while providing added functionality. It is also compatible as a direct replacement for the thermostat elbow included in Fleece Performance’s coolant bypass kits, ensuring seamless integration into existing setups.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned with precision and durability in mind, the Fleece Performance thermostat housing offers the following key features:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for 2019–2024 Ram 6.7L Cummins thermostat housing (OEM part #5401899)\u003c\/li\u003e\n  \u003cli\u003eIntegrated auxiliary port threaded to accept a -10AN (7\/8\"-14) fitting for custom coolant routing\u003c\/li\u003e\n  \u003cli\u003eIncludes a port plug (FPE-SP-7814) for sealing the auxiliary port when not in use\u003c\/li\u003e\n  \u003cli\u003eCompatible with Fleece Performance coolant bypass kits (FPE-CLNTBYPS-CUMMINS-19)\u003c\/li\u003e\n  \u003cli\u003eMaintains OEM fitment and sealing for hassle-free installation\u003c\/li\u003e\n  \u003cli\u003eAllows for enhanced cooling system modifications without compromising reliability\u003c\/li\u003e\n  \u003cli\u003eConstructed to withstand high temperatures and pressures typical of diesel engine cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe thermostat housing is crafted from high-quality materials engineered to endure the demanding environment of diesel engine cooling systems. Its robust construction ensures resistance to corrosion, thermal cycling, and mechanical stress. The precision-machined auxiliary port is threaded to industry-standard -10AN specifications, providing a secure and leak-free connection for aftermarket coolant fittings and hoses. This thoughtful design enables users to expand or reroute their coolant flow with confidence, supporting enhanced cooling strategies for heavy-duty applications.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward, as this thermostat housing is a direct OEM replacement designed specifically for 2019–2024 Ram 2500 and 3500 models with the 6.7L Cummins diesel engine. No modifications are necessary, and it fits seamlessly in place of the factory thermostat housing. The included port plug allows you to seal the auxiliary port if additional coolant routing is not required, ensuring a clean and reliable installation. This part is ideal for both routine maintenance and performance upgrades involving coolant system customization.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFleece Performance replacement thermostat housing with auxiliary port\u003c\/li\u003e\n  \u003cli\u003eAuxiliary port plug (FPE-SP-7814)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis thermostat housing is ideal for Ram 2500 and 3500 owners who want to maintain OEM reliability while adding flexibility to their cooling system. It is especially suited for diesel performance enthusiasts, fleet operators, and technicians who require a dependable replacement part that supports custom coolant routing for enhanced engine cooling and thermal management.\u003c\/p\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":48209029660884,"sku":"FPE-CUMM-TH-19","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/77f8ccf241f3a8c98edcd907d5524467L.png?v=1783234565","url":"https:\/\/fasthemis.com\/products\/fleece-performance-19-22-ram-2500-3500-cummins-6-7l-replacement-thermostat-housing-w-aux-port","provider":"FastHemis","version":"1.0","type":"link"}