{"id":9970425200880,"title":"2017-2019 GM 6.6L Duramax Upper and Lower Silicone Radiator Hose Kit","handle":"coolant-hose-kit-2017-l5p-black","description":"\u003cp\u003eFactory coolant hoses are composed of plastic Tee junctions that are prone to cracking and leaking after heat cycled. This PPE silicone hose kit completely eliminates the Tee junctions - the lower radiator hose, coolant overflow hose, and heater hose are all molded into one single piece of durable 5-ply silicone, providing maximum protection against leaking and heat fatigue. The silicone material used in this kit is far more heat resistant than the factory rubber - making it a better choice for this high-heat environment.\u003c\/p\u003e\n\u003cp\u003eThe CNC machined billet aluminum adapter ensures easy, OEM-like fitment onto the radiator outlet. All connections are sealed with uniform-tension 304 stainless steel clamps.\u003c\/p\u003e","published_at":"2026-04-04T18:35:32-07:00","created_at":"2026-04-04T18:35:32-07:00","vendor":"Pacific Performance Engineering","type":"","tags":["2017-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi4943392","2017-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esr7557023","2017-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esr4898734","2018-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi9194490","2018-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi6401503","2018-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi1015286","2019-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi7141307","2019-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi6236907","2019-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi3192991","2019-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi3724797"],"price":29999,"price_min":29999,"price_max":29999,"available":true,"price_varies":false,"compare_at_price":0,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49501433725168,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"119020400","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"2017-2019 GM 6.6L Duramax Upper and Lower Silicone Radiator Hose Kit","public_title":null,"options":["Default Title"],"price":29999,"weight":5080,"compare_at_price":0,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.hitechclassics.com\/cdn\/shop\/files\/2017-2019-GM-6-6L-Duramax-Upper-and-Lower-Silicone-Radiator-Hose-Kit_119020400.jpg?v=1775352935"],"featured_image":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2017-2019-GM-6-6L-Duramax-Upper-and-Lower-Silicone-Radiator-Hose-Kit_119020400.jpg?v=1775352935","options":["Title"],"media":[{"alt":null,"id":44161495826672,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2017-2019-GM-6-6L-Duramax-Upper-and-Lower-Silicone-Radiator-Hose-Kit_119020400.jpg?v=1775352935"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2017-2019-GM-6-6L-Duramax-Upper-and-Lower-Silicone-Radiator-Hose-Kit_119020400.jpg?v=1775352935","width":2500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eFactory coolant hoses are composed of plastic Tee junctions that are prone to cracking and leaking after heat cycled. This PPE silicone hose kit completely eliminates the Tee junctions - the lower radiator hose, coolant overflow hose, and heater hose are all molded into one single piece of durable 5-ply silicone, providing maximum protection against leaking and heat fatigue. The silicone material used in this kit is far more heat resistant than the factory rubber - making it a better choice for this high-heat environment.\u003c\/p\u003e\n\u003cp\u003eThe CNC machined billet aluminum adapter ensures easy, OEM-like fitment onto the radiator outlet. All connections are sealed with uniform-tension 304 stainless steel clamps.\u003c\/p\u003e"}