{"product_id":"evil-energy-3-4-in-heater-hose-coolant-radiator-straight-20ft","title":"EVIL ENERGY 3\/4 in Heater Hose Coolant Radiator Straight 20ft","description":"\u003cp\u003eIn this review of the EVIL ENERGY 3\/4 in heater hose, the bottom line is simple: it is a durable, flexible replacement hose for cooling system and hot water applications that offers professional-grade material and pressure ratings at a value price. The reviewer found the hose well suited to anyone needing a long length of reliable EPDM tubing for radiator-to-overflow, heater core, or general coolant lines, and highlights its 100 psi working pressure, 300 psi burst margin, and broad -40F to 257F temperature range as the single biggest reason to buy.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and length:\u003c\/strong\u003e The 3\/4 in inner diameter and 20 ft length make it easy to cut custom runs for cars, trucks, or workshop projects without splicing multiple short pieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial construction:\u003c\/strong\u003e Made from EPDM rubber, the hose resists heat, ozone, and common coolant chemicals so it lasts longer in engine bays and heater systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure capability:\u003c\/strong\u003e A 100 psi working pressure and 300 psi burst pressure provide a wide safety margin for normal cooling system demands and brief pressure spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -40F to 257F, the hose handles both winter cold starts and sustained engine temperatures without becoming brittle or soft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard compliance:\u003c\/strong\u003e Meets and exceeds SAE 20R3 Standard Wall Class D-2, which helps ensure consistent wall thickness and durability compared with generic hoses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis hose is best for DIY mechanics, professional technicians, and hobbyists who need a long, continuous length of heater or coolant hose for radiator-to-overflow connections, heater core runs, or custom cooling system plumbing. Its 3\/4 in ID and 20 ft length suit many passenger cars, light trucks, and workshop projects where flexibility and cut-to-fit length are important.\u003c\/p\u003e\n\u003cp\u003eThose who need specialty braided lines, extremely high-pressure hydraulic hoses, or a different inner diameter should look elsewhere; this product is intended for coolant, water, and antifreeze applications rather than fuel or high-pressure hydraulic service.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood value for a full 20 ft of EPDM hose with factory tolerances and SAE compliance.\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to route, which customers and the reviewer noted helps installation in tight engine bays.\u003c\/li\u003e\n\u003cli\u003eDurable under heat and chemical exposure due to EPDM construction and broad temperature rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users comment on varying perceptions of thickness; this hose is thicker than many aftermarket alternatives, which can be a benefit but might be slightly stiffer for very tight bends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner diameter\u003c\/td\u003e\n\u003ctd\u003e3\/4 in (19 mm), tolerance 0.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e1.10 in (28 mm), tolerance 0.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e20 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eEPDM rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking pressure\u003c\/td\u003e\n\u003ctd\u003e100 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurst pressure\u003c\/td\u003e\n\u003ctd\u003e300 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-40F to 257F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe EVIL ENERGY 3\/4 in heater hose is a practical, cost-effective choice for cooling system repairs and custom runs, offering robust EPDM construction, solid pressure ratings, and a long 20 ft length that reduces the need for joints. Buy it if you want a dependable, flexible coolant hose for heater cores, radiator overflow, or general coolant plumbing; skip it if you need braided lines or a different diameter for specialty systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this hose handle engine coolant and antifreeze?\u003c\/strong\u003e\u003cbr\u003eYes. It is compatible with coolant, water, antifreeze, and similar media and is formulated to resist those chemicals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 3\/4 in size an exact fit for standard heater connections?\u003c\/strong\u003e\u003cbr\u003eThe ID is 3\/4 in (19 mm) with a 0.6 mm tolerance, so it fits most standard heater and radiator fittings for that size but always check actual clamp and fitting dimensions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow flexible is the hose for tight bends?\u003c\/strong\u003e\u003cbr\u003eThe hose is reasonably flexible and has a minimum bending radius of 152 mm; it is thicker than some cheap alternatives, which gives durability but can make very tight bends slightly stiffer.\u003c\/p\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":48611978117339,"sku":"B0D5CNXHRH","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ECzgy1KxL._AC_SL1500.jpg?v=1778374929","url":"https:\/\/gearmusthave.com\/products\/evil-energy-3-4-in-heater-hose-coolant-radiator-straight-20ft","provider":"GearMustHave","version":"1.0","type":"link"}