{"product_id":"evil-energy-3-4-silicone-heater-hose-5ft-sae-j20r3-class-a-60-psi-black","title":"EVIL ENERGY 3\/4\" Silicone Heater Hose 5ft — SAE J20R3 Class A, 60 PSI, Black","description":"\u003cp\u003e\u003cstrong\u003eEVIL ENERGY 3\/4\" silicone heater hose is a 5-foot, straight SAE J20R3 Class A coolant and heater line engineered for durable, high-temperature vehicle and equipment applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis silicone heater hose combines braided polyester reinforcement with inner and outer silicone layers to provide flexible, long-lasting service in automotive cooling and heating circuits. Designed to meet SAE J20R3 Class A requirements, it delivers a wide operating temperature window and strong pressure performance for hot coolant, water, steam and similar fluids while avoiding fuels and oils.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the key dimensions and tolerances of this heater hose?\u003c\/h3\u003e\n\u003cp\u003eThe hose has a 3\/4\" (19 mm) inner diameter and an outer diameter near 1-1\/16\" (27 mm), with measured tolerances to maintain reliable fitment. The 5-foot length lets you route, trim and clamp the hose for most OEM or custom repair jobs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter: 3\/4\" (19 mm) with ±0.4 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: ~1-1\/16\" (27 mm) with ±0.4 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eLength: 5 ft (factory cut, ready to trim)\u003c\/li\u003e\n  \u003cli\u003eMinimum bend radius: 95 mm for correct installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this silicone hose perform under heat and pressure?\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-temperature environments, the hose supports continuous and intermittent service across a broad temperature range and resists failure under pressure. It’s suitable for cooling and heating loops where heat cycling and steam exposure are common.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure: 60 psi for typical system use\u003c\/li\u003e\n  \u003cli\u003eBurst pressure: 203 psi for safety margin under spikes\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -67°F to 356°F (-55°C to 180°C)\u003c\/li\u003e\n  \u003cli\u003eMeets SAE J20R3 Class A material and construction standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and fluids is the hose compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe hose features braided polyester reinforcement encapsulated by silicone inner and outer layers, which boosts thermal stability and longevity compared with many rubber compounds. It is intended for water-based and low-aggression fluids rather than hydrocarbons.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstruction: braided polyester fiber reinforcement with silicone inner\/outer layers\u003c\/li\u003e\n  \u003cli\u003eSuitable for: coolant, water, steam, transport air, weak acids and alkaline solutions\u003c\/li\u003e\n  \u003cli\u003eNot suitable for: alcohol, gasoline, diesel, engine oil, or lubricating fluids\u003c\/li\u003e\n  \u003cli\u003eCommon uses: automotive cooling, heater cores, water heaters, and similar systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I fit and care for the EVIL ENERGY heater hose?\u003c\/h3\u003e\n\u003cp\u003eTrim to length with a clean cut and use correct-size clamps to avoid compression damage; respect the minimum bend radius to prevent kinking. Regular inspections for abrasion, hardening or surface cuts will extend service life, and replacement is straightforward when wear appears.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrim with a sharp blade and deburr cut ends before fitting\u003c\/li\u003e\n  \u003cli\u003eUse stainless or high-quality clamps sized for 3\/4\" ID hoses\u003c\/li\u003e\n  \u003cli\u003eAvoid sharp bends—keep bend radius \u0026gt;95 mm where possible\u003c\/li\u003e\n  \u003cli\u003eInspect periodically for cracking, oil exposure, or external damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this hose for? Installers, mechanics and DIY enthusiasts who need a resilient, high-temperature coolant or heater line will find this EVIL ENERGY silicone hose well suited to car, truck and equipment applications. It’s aimed at users who require consistent dimensional tolerances, broad thermal capability and SAE-class construction for reliable fitment and longer service life in non-fuel fluid systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this silicone heater hose carry engine coolant safely?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s rated for coolant, water and steam within −67°F to 356°F and meets SAE J20R3 Class A requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose suitable for fuel or oil lines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The silicone construction is not compatible with alcohols, fuel, engine oil, or lubricants.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":48087103570078,"sku":"B0D9LCY1LL","price":32.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/evil-energy-front-packaging-5ft-silicone-heater-hose.jpg?v=1785916526","url":"https:\/\/northtrailauto.ca\/products\/evil-energy-3-4-silicone-heater-hose-5ft-sae-j20r3-class-a-60-psi-black","provider":"North Trail Auto","version":"1.0","type":"link"}