{"product_id":"heavy-duty-silicone-coolant-hose-kit-compatible-with-2011-2016-chevy-silverado-gmc-sierra-6-6l-duramax","title":"Heavy Duty Silicone Coolant Hose Kit Compatible With 2011-2016 Chevy Silverado GMC Sierra 6.6L Duramax","description":"\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold\"\u003eHeavy Duty Silicone Coolant Hose Kit – Black | 2011-2016 Chevy Silverado \u0026amp; GMC Sierra 6.6L Duramax\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eUpgrade your LML Duramax with the Mammoth Performance Heavy Duty Silicone Coolant Hose Kit in sleek black—engineered to outlast and outperform the factory rubber hoses that swell, crack, and leak over time.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eStop Coolant Leaks Before They Start\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe original rubber coolant hoses on your 2011-2016 6.6L Duramax break down from years of heat cycling, pressure, and coolant exposure. As they age, they soften, swell, and crack—leading to leaks, overheating, and the risk of being stranded. Our multi-ply silicone hoses are engineered to resist these failure modes and deliver a permanent upgrade that outlasts the truck itself.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhy Choose Mammoth Performance Silicone Coolant Hoses\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMulti-Ply Silicone Construction\u003c\/strong\u003e – Reinforced with high-strength fabric layers to handle extreme temperatures, pressure, and vibration far better than OEM rubber\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSuperior Heat Resistance\u003c\/strong\u003e – Engineered to withstand the high under-hood and coolant temperatures of the hard-working Duramax diesel\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWon't Crack, Swell, or Degrade\u003c\/strong\u003e – Silicone resists the breakdown that destroys factory rubber hoses over time\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDirect OEM Fit\u003c\/strong\u003e – Designed to match factory routing and connections for a precise install with no modifications\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eClean Black Finish\u003c\/strong\u003e – A subtle, factory-style look that complements any engine bay\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eFitment\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThis kit is specifically designed for:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\u003cstrong\u003e2011-2016 Chevrolet Silverado 2500\/3500 6.6L Duramax\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\u003cstrong\u003e2011-2016 GMC Sierra 2500\/3500 6.6L Duramax\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFits the \u003cstrong\u003eLML (2011-2016)\u003c\/strong\u003e engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComplete set of reinforced black silicone coolant hoses\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStainless steel clamps for a secure, leak-free seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eUpgrade With Confidence\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWhether you're towing heavy, putting down serious miles, or simply replacing tired factory hoses before they fail, the Mammoth Performance Silicone Coolant Hose Kit is the long-lasting, reliable solution your Duramax deserves.\u003c\/p\u003e","brand":"Mammoth Performance Parts","offers":[{"title":"Black","offer_id":47636269465777,"sku":"MAMCC661116BK","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":47636269498545,"sku":"MAMCC661116BL","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":47636269531313,"sku":"MAMCC661116RD","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/8462\/4817\/files\/MAMCC661116BK.png?v=1782318637","url":"https:\/\/mammothparts.com\/products\/heavy-duty-silicone-coolant-hose-kit-compatible-with-2011-2016-chevy-silverado-gmc-sierra-6-6l-duramax","provider":"Mammoth Performance Parts","version":"1.0","type":"link"}