{"product_id":"evil-energy-5-16-inch-heater-hose-100-psi-sae-20r3-5-ft-epdm-coolant-radiator-hose","title":"EVIL ENERGY 5-16-inch Heater Hose – 100 PSI, SAE 20R3, 5 ft EPDM Coolant Radiator Hose","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet a versatile addition to the EVIL ENERGY lineup: a 5\/16-inch inner diameter heater hose designed for coolant paths. Built from EPDM rubber, this 5-foot hose offers a practical balance of reach and manageability for crowded engine bays, helping you organize your cooling routes with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSize and tolerance: ID 5\/16 inch (8 mm), OD 0.55 inch (14 mm); length 5 feet\u003c\/li\u003e\n  \u003cli\u003eMaterial: EPDM rubber chosen for flexibility and coolant compatibility\u003c\/li\u003e\n  \u003cli\u003ePerformance: Working pressure 100 psi; burst pressure 300 psi; temperature range -40°F to 257°F; minimum bending radius 64 mm\u003c\/li\u003e\n  \u003cli\u003eStandard: SAE 20R3 compliant, meeting typical wall class expectations\u003c\/li\u003e\n  \u003cli\u003eMedium: Suitable for coolant, water, antifreeze and similar automotive fluids\u003c\/li\u003e\n  \u003cli\u003eApplications: Connects radiators to overflow reservoirs, supports engine cooling loops, and versatile hot water line routing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRoute coolant between the radiator and the overflow tank in compact engine compartments for clean routing\u003c\/li\u003e\n  \u003cli\u003eReplace aging hoses in cooling systems to maintain steady fluid flow and reduce leak points\u003c\/li\u003e\n  \u003cli\u003eFit in hot water heater connections or auxiliary cooling circuits where space is tight and bend flexibility matters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhile this hose is designed for common automotive cooling fluids, its performance depends on your specific setup. Consider it a reliable option that aligns with many standard systems, rather than a guaranteed fix for every scenario. Always follow vehicle manufacturer guidelines and perform a proper fitment check after installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose EVIL ENERGY\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQuality materials: EPDM rubber stands up to heat cycles and typical coolant additives\u003c\/li\u003e\n  \u003cli\u003eFlexible design: 5 ft length offers manageable routing without excessive slack\u003c\/li\u003e\n  \u003cli\u003eCompatibility: SAE 20R3 standard helps ensure broad system compatibility\u003c\/li\u003e\n  \u003cli\u003eValue and practicality: Solid performance for regular maintenance and replacements\u003c\/li\u003e\n\u003c\/ul\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: What applications is the EVIL ENERGY 5\/16-inch heater hose suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ideal for coolant routing in automotive cooling systems, plus connections to hot water heaters and overflow reservoirs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key specifications I should know?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ID 5\/16, OD 0.55, length 5 ft; operating range -40°F to 257°F; 100 psi working pressure; SAE 20R3 standard.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":42465740488789,"sku":"B0C7VKVVHW","price":30.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/evil-energy-5-16inch-heater-hose-coolant.jpg?v=1778020387","url":"https:\/\/plentytorque.co.uk\/products\/evil-energy-5-16-inch-heater-hose-100-psi-sae-20r3-5-ft-epdm-coolant-radiator-hose","provider":"PlentyTorque","version":"1.0","type":"link"}