{"product_id":"evil-energy-1-2-heater-hose-5ft-black-sae-20r3-epdm-100-psi-working-pressure","title":"EVIL ENERGY 1\/2\" Heater Hose 5ft Black — SAE 20R3 EPDM, 100 PSI Working Pressure","description":"\u003cp\u003e\u003cstrong\u003eEVIL ENERGY 1\/2\" Heater Hose is a 5-foot EPDM coolant hose built to SAE 20R3 specifications, rated for 100 PSI working pressure and designed for radiator, heater core, and overflow reservoir connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty straight heater hose delivers a reliable coolant pathway for automotive and small-engine cooling systems. Constructed from weather- and heat-resistant EPDM rubber, it withstands antifreeze and hot water while maintaining flexibility across a wide temperature span. Its dimensions and pressure ratings meet SAE 20R3 Class D-2 standards, making it suitable for replacement and retrofit applications where consistent flow and leak resistance are required.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose hold up to high temperatures and pressure?\u003c\/h3\u003e\n\u003cp\u003eThe hose is rated to operate between -40°F and 257°F and has a working pressure of 100 PSI with a 300 PSI burst threshold. EPDM compound resists heat, steam, and common coolant chemistries, reducing degradation over time. The product meets SAE 20R3 Class D-2 specifications for wall construction and performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -40°F to 257°F for broad compatibility\u003c\/li\u003e\n  \u003cli\u003eWorking pressure: 100 PSI; burst pressure: 300 PSI for safety margin\u003c\/li\u003e\n  \u003cli\u003eMeets or exceeds SAE 20R3 standard for reliable wall strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact size and fit details I should expect?\u003c\/h3\u003e\n\u003cp\u003eInner diameter is 1\/2\" (13 mm) with a manufacturing tolerance of ±0.5 mm; outer diameter measures 0.78\" (20 mm) with ±0.8 mm tolerance. The hose ships as a straight 5-foot length, allowing trimming to fit heater cores, radiator outlets, or overflow connections. A minimum bending radius of 104 mm helps maintain flow without kinking when routed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eID: 1\/2\" (13 mm) ±0.5 mm for standard fittings\u003c\/li\u003e\n  \u003cli\u003eOD: 0.78\" (20 mm) ±0.8 mm for clamp and clearance planning\u003c\/li\u003e\n  \u003cli\u003eLength: 5 feet, easy to cut to custom lengths\u003c\/li\u003e\n  \u003cli\u003eMin bend radius: 104 mm to avoid collapse when routed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fluids and applications are suitable for this hose?\u003c\/h3\u003e\n\u003cp\u003eManufactured from EPDM, the hose is compatible with coolant, water, antifreeze, and many automotive cooling fluids. Typical uses include heater core lines, radiator to overflow\/expansion tank plumbing, and hot-water heater connections. It’s a versatile replacement hose for passenger cars, light trucks, and small engine systems where SAE 20R3 compliance is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible media: coolant, water, antifreeze\u003c\/li\u003e\n  \u003cli\u003eApplications: heater hoses, radiator-to-reservoir lines, hot water heater plumbing\u003c\/li\u003e\n  \u003cli\u003eSuitable for automotive and light industrial cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain the hose for long service life?\u003c\/h3\u003e\n\u003cp\u003eCut the hose squarely to length, use the correct-size clamps, and avoid sharp bends or contact with hot exhaust components. Inspect clamps and hose ends periodically for leaks or hardening, and replace if cracking or swelling appears. Proper routing and secure fastening extend service life and help prevent premature failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrim cleanly and use appropriately sized hose clamps\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with sharp edges and high-temperature surfaces\u003c\/li\u003e\n  \u003cli\u003ePeriodic inspection: check for stiffness, cracking, or seepage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? EVIL ENERGY's 1\/2\" heater hose is aimed at DIY mechanics, repair shops, and fleet maintainers who need a durable, standards-compliant replacement hose for cooling and heater systems. If you require a flexible EPDM hose that fits standard 1\/2\" heater fittings, tolerates a wide temperature range, and meets SAE 20R3 wall specifications, this 5-foot hose offers a practical, serviceable solution. It’s especially useful when a longer single length is needed for routing or custom cuts rather than multiple shorter pieces.\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 antifreeze and coolant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The EPDM construction is compatible with coolant, antifreeze, and water used in automotive cooling systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 5-foot length adjustable for shorter installations?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The straight 5-foot hose can be trimmed to the exact length needed and secured with appropriate clamps.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":48086928654494,"sku":"B0C7VT7CTS","price":31.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/evil-energy-heater-hose-front-packaging_ed6b6133-5fc7-4154-9176-92501e2ce1e7.jpg?v=1785909877","url":"https:\/\/northtrailauto.ca\/products\/evil-energy-1-2-heater-hose-5ft-black-sae-20r3-epdm-100-psi-working-pressure","provider":"North Trail Auto","version":"1.0","type":"link"}