{"product_id":"evil-energy-3-4-heater-hose-5ft-black-epdm-100-psi-sae-20r3-radiator-heater-coolant-line","title":"EVIL ENERGY 3\/4\" Heater Hose 5ft Black EPDM 100 PSI SAE 20R3 – Radiator \u0026 Heater Coolant Line","description":"\u003cp\u003e\u003cstrong\u003eEVIL ENERGY 3\/4\" Heater Hose is a 5-foot EPDM coolant line rated to 100 PSI and built to SAE 20R3 standards for reliable radiator, heater, and overflow connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis high-performance heater hose is designed for automotive and small-engine cooling systems where heat, pressure, and fluid compatibility matter. Constructed from EPDM rubber and manufactured to meet SAE 20R3 Class D-2 criteria, the hose handles hot water, coolant, and antifreeze across a wide temperature range. Its 3\/4\" inner diameter and robust wall construction make it a practical replacement part for heater cores, radiator-to-reservoir lines, and general coolant routing in passenger vehicles, trucks, and equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the core specifications of this heater hose?\u003c\/h3\u003e\n\u003cp\u003eThe EVIL ENERGY heater hose is specified for dependable performance under typical automotive conditions. Dimensions and tolerances are tight, the material withstands heat and ozone exposure, and pressure ratings provide everyday safety margins.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter (ID): 3\/4\" (19 mm) with ±0.6 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eOuter diameter (OD): 1.10\" (28 mm) with ±0.8 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eLength: 5 feet (approximately 1.52 m)\u003c\/li\u003e\n  \u003cli\u003eWorking pressure: 100 PSI; burst pressure: 300 PSI\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -40°F to 257°F (-40°C to 125°C)\u003c\/li\u003e\n  \u003cli\u003eMinimum bending radius: 152 mm; meets SAE 20R3 Standard Wall Class D-2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and heat-resistant is the EPDM construction?\u003c\/h3\u003e\n\u003cp\u003eEPDM rubber is chosen for its resilience against heat, steam, and weathering; this hose resists hardening, cracking, and degradation from coolant and engine bay conditions. Its rated temperature range supports both cold starts and sustained operating heat without rapid breakdown.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEPDM formulation resists heat, ozone, and aging\u003c\/li\u003e\n  \u003cli\u003eWorks across -40°F to 257°F for broad climate compatibility\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet SAE 20R3 for long-term durability\u003c\/li\u003e\n  \u003cli\u003eHigh burst-to-working pressure ratio for safety margins\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fluids and systems is this hose compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis hose is suitable for common automotive cooling fluids and related liquids, making it versatile for heater cores, radiator feed lines, and overflow connections. It is not intended for fuels, oils, or solvents unless specified otherwise by the manufacturer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with coolant, antifreeze, and water-based engine fluids\u003c\/li\u003e\n  \u003cli\u003eCommonly used for heater core and radiator-to-reservoir plumbing\u003c\/li\u003e\n  \u003cli\u003eSuitable for repair, replacement, or custom routing applications\u003c\/li\u003e\n  \u003cli\u003eNot specified for petroleum fuels or aggressive chemical solvents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and what should I check before fitting?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for most do-it-yourself and professional mechanics: cut to length as needed, secure with proper clamps, and verify routing avoids sharp bends or heat sources. Follow clamp torque guidance and confirm the hose’s minimum bending radius to prevent kinking or stress during operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCut to desired length; use hose clamps rated for coolant systems\u003c\/li\u003e\n  \u003cli\u003eMaintain minimum bending radius of 152 mm to avoid kinks\u003c\/li\u003e\n  \u003cli\u003eAvoid direct contact with exhaust manifolds or sharp edges\u003c\/li\u003e\n  \u003cli\u003eInspect fittings and clamps periodically for leaks or wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The EVIL ENERGY 3\/4\" Heater Hose is aimed at vehicle owners, mechanics, and fleet technicians needing a reliable coolant line for heater cores, radiator connections, or overflow plumbing. It suits routine repairs, preventative maintenance, and custom cooling projects where SAE-compliant materials, a wide temperature range, and a strong pressure rating are required. Choose this hose when you want a direct-fit-style, cut-to-length option that balances flexibility, heat resistance, and pressure capability for everyday automotive cooling 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 hose handle engine coolant and antifreeze?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's compatible with coolant, antifreeze, and water-based fluids and meets SAE 20R3 requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum operating temperature and pressure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rated to operate between -40°F and 257°F with a 100 PSI working pressure and 300 PSI burst.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":48087385342110,"sku":"B0BRJCZKBB","price":36.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/evil-energy-front-packaging-radiator-hose.jpg?v=1785922729","url":"https:\/\/northtrailauto.ca\/products\/evil-energy-3-4-heater-hose-5ft-black-epdm-100-psi-sae-20r3-radiator-heater-coolant-line","provider":"North Trail Auto","version":"1.0","type":"link"}