{"product_id":"flexfab-5526-025x800-0-25-x-800-ft-blue-silicone-heater-hose","title":"Flexfab 5526-025x800, 1\/4\" ID x 800 ft Spool Blue Silicone Heater Hose, 6mm 350F Radiator Coolant","description":"\u003cp\u003eUpgrade your heater and coolant lines with the \u003cstrong\u003eFlexfab 5526-025x800\u003c\/strong\u003e standard silicone heater hose — a 800-foot spool of 1\/4\" ID hose engineered for superior flexibility and long life. Unlike ordinary rubber heater hose, silicone resists hardening, cracking, cold leaks, and coolant-additive attack, so it keeps sealing season after season.\u003c\/p\u003e\n\u003ch2\u003eWhy this Flexfab silicone heater hose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone with 1-ply nylon reinforcement\u003c\/strong\u003e — superior flexibility with a 320 PSI burst rating, which means easy routing and a wide margin over the ~107 PSI working pressure of heater circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e−65°F to +350°F range\u003c\/strong\u003e — handles under-hood heat and winter cold without going brittle or soft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeets SAE J20 R3 Class A \u0026amp; TMC RP303B Class I Grade II\u003c\/strong\u003e — documented heater-hose spec performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResists coolant additives, ozone, and aging\u003c\/strong\u003e — extreme-duty-cycle tested for hostile engine environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" (6mm) ID × 0.58\" (15mm) OD\u003c\/strong\u003e, bend radius 5× ID — tight, kink-free routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSupplied as a continuous 800-foot spool, ideal for heater core, radiator, and coolant-system runs. Pairs with a Flexfab 2582-0004 clamp for a secure seal. (Silicone heater hose is for coolant\/heater use — not fuel.)\u003c\/p\u003e\n\u003cp\u003eBacked by hpcouplers’ fast shipping and easy returns — order with confidence from a trusted industrial hose and coupler supplier.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexFab Series\u003c\/strong\u003e: 5526\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: 5526-025x800\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter (ID)\u003c\/strong\u003e: 0.25\" (6mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter (OD)\u003c\/strong\u003e: 0.58\" (15mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 800 feet (Spool)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Thickness\u003c\/strong\u003e: .140\" \/ .170\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight LB\/FT\u003c\/strong\u003e: 0.111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual Burst Pressure - PSI\u003c\/strong\u003e: 320\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J20 R3 Class A - PSI\u003c\/strong\u003e: 250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTMC RP303B Class I Grade II - PSI\u003c\/strong\u003e: 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBend Radius\u003c\/strong\u003e: 5x ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme temp range\u003c\/strong\u003e: -65F to +350F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e: Blue Silicone hose with 1-ply nylon fiber reinforcement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flexfab","offers":[{"title":"Default Title","offer_id":45457677746223,"sku":"FLEX 5526-025 (800 Reel) v1.0","price":43092.0,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Flexfab_Stock_image_v1_06.10.26.png?v=1781140351","url":"https:\/\/www.hpcouplers.com\/en-mx\/products\/flexfab-5526-025x800-0-25-x-800-ft-blue-silicone-heater-hose","provider":"hpcouplers","version":"1.0","type":"link"}