{"product_id":"fleece-coolant-bypass-kits-1994-2024-5-9l-6-7l-cummins","title":"Fleece Coolant Bypass Kits — 1994–2024 5.9L \u0026 6.7L Cummins","description":"\u003ch2\u003eChoose the bypass kit for your Cummins\u003c\/h2\u003e\u003cp\u003eFleece coolant bypass kits add a temperature-controlled coolant path at the rear of the engine. The kit uses a secondary thermostat, braided hose and AN fittings to help manage rear-cylinder coolant temperature and pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSelect your engine year, transmission and hose version before ordering.\u003c\/strong\u003e Each selection is a complete application-specific kit; one kit does not fit every year.\u003c\/p\u003e\u003ch3\u003eInstallation and fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2003–2007 5.9L automatic kits remove the factory transmission-fluid heat exchanger. Consider cold-weather operation when choosing this configuration.\u003c\/li\u003e\n\u003cli\u003eFor 2007.5–2018 6.7L trucks equipped with a factory transmission heat exchanger, an additional heater tube, Mopar 68048997AA, is required.\u003c\/li\u003e\n\u003cli\u003e2007.5–2012 kits use an M12x1.0 exhaust-back-pressure line fitting. Older modified Steed Speed manifold fittings require fitment verification.\u003c\/li\u003e\n\u003cli\u003eFor later trucks, coverage here is limited to 2019–2024. Contact PSC before ordering for other years or modified cooling systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed help choosing the correct part? \u003ca href=\"\/pages\/contact\"\u003eContact PSC\u003c\/a\u003e with your truck year, engine and existing equipment.\u003c\/p\u003e","brand":"Fleece Performance","offers":[{"title":"1994–1998 5.9L 12V — stainless braided","offer_id":60157362831646,"sku":"FPE-CLNTBYPS-CUMMINS-12V-SS","price":397.95,"currency_code":"USD","in_stock":true},{"title":"1994–1998 5.9L 12V — standard","offer_id":60157362864414,"sku":"FPE-CLNTBYPS-CUMMINS-12V","price":397.95,"currency_code":"USD","in_stock":false},{"title":"1998.5–2002 5.9L 24V — standard","offer_id":60157362897182,"sku":"FPE-CLNTBYPS-CUMMINS-VP","price":397.95,"currency_code":"USD","in_stock":true},{"title":"1998.5–2002 5.9L 24V — stainless braided","offer_id":60157362929950,"sku":"FPE-CLNTBYPS-CUMMINS-VP-SS","price":397.95,"currency_code":"USD","in_stock":true},{"title":"2003–2005 5.9L automatic — standard","offer_id":60157362962718,"sku":"FPE-CLNTBYPS-CUMMINS-0305","price":397.95,"currency_code":"USD","in_stock":true},{"title":"2003–2005 5.9L automatic — stainless braided","offer_id":60157362995486,"sku":"FPE-CLNTBYPS-CUMMINS-0305-SS","price":397.95,"currency_code":"USD","in_stock":true},{"title":"2006–2007 5.9L automatic — standard","offer_id":60157363028254,"sku":"FPE-CLNTBYPS-CUMMINS-0607","price":397.95,"currency_code":"USD","in_stock":true},{"title":"2006–2007 5.9L automatic — stainless braided","offer_id":60157363061022,"sku":"FPE-CLNTBYPS-CUMMINS-0607-SS","price":397.95,"currency_code":"USD","in_stock":true},{"title":"2003–2007 5.9L manual — standard","offer_id":60157363093790,"sku":"FPE-CLNTBYPS-CUMMINS-MAN","price":397.95,"currency_code":"USD","in_stock":true},{"title":"2003–2007 5.9L manual — stainless braided","offer_id":60157363126558,"sku":"FPE-CLNTBYPS-CUMMINS-MAN-SS","price":397.95,"currency_code":"USD","in_stock":true},{"title":"2007.5–2012 6.7L","offer_id":60157363159326,"sku":"FPE-CLNTBYPS-CUMMINS-0712","price":419.99,"currency_code":"USD","in_stock":false},{"title":"2013–2018 6.7L","offer_id":60157363192094,"sku":"FPE-CLNTBYPS-CUMMINS-1318","price":398.99,"currency_code":"USD","in_stock":true},{"title":"2019–2024 6.7L","offer_id":60157363224862,"sku":"FPE-CLNTBYPS-CUMMINS-19","price":398.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/0199\/6062\/files\/fpe-clntbyps-cummins-12v-ss.jpg?v=1791296980","url":"https:\/\/pscrepair.com\/products\/fleece-coolant-bypass-kits-1994-2024-5-9l-6-7l-cummins","provider":"Powerstroke Central ","version":"1.0","type":"link"}