{"product_id":"evil-energy-5-16-heater-hose-5-ft-black-epdm-coolant-line-100-psi-sae-20r3","title":"EVIL ENERGY 5\/16\" Heater Hose 5 ft — Black EPDM Coolant Line, 100 PSI, SAE 20R3","description":"\u003cp\u003e\u003cstrong\u003eThe EVIL ENERGY 5\/16\" heater hose is a 5-foot EPDM coolant line rated for 100 PSI and built to connect radiators, heater cores, and overflow reservoirs reliably in automotive cooling systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, straight heater hose combines durable EPDM rubber with SAE 20R3 construction to handle coolant, water, and antifreeze across a broad temperature range. Sized for 5\/16\" (8 mm) inside diameter fittings, the hose is designed for routine engine cooling and heater plumbing tasks where flexibility, pressure capacity, and thermal tolerance matter.\u003c\/p\u003e\n\n\u003ch3\u003eWhat materials and specifications define this hose?\u003c\/h3\u003e\n\u003cp\u003eThe hose is made of EPDM rubber and meets SAE 20R3 Standard Wall Class D-2 requirements. It supports continuous use in temperatures from -40°F to 257°F and offers a working pressure of 100 PSI with a 300 PSI burst rating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eID: 5\/16\" (8 mm) with ±0.4 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eOD: 0.55\" (14 mm) with ±0.5 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eLength: 5 feet (1.52 m)\u003c\/li\u003e\n  \u003cli\u003eMin bending radius: 64 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this hose perform in an engine cooling system?\u003c\/h3\u003e\n\u003cp\u003eEngineered for coolant lines, the hose resists weathering, heat, and common cooling fluids without rapid degradation. Its working and burst pressures provide a margin for typical engine operating conditions and short-term pressure spikes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with coolant, antifreeze, and water\u003c\/li\u003e\n  \u003cli\u003eHigh temperature tolerance for hot zones near the engine\u003c\/li\u003e\n  \u003cli\u003eEPDM composition resists ozone and heat-related aging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this hose easy to install and route in tight spaces?\u003c\/h3\u003e\n\u003cp\u003eThe 5\/16\" inner diameter and 64 mm minimum bend radius make the hose flexible enough for compact routing while retaining shape under pressure. Its straight profile simplifies cutting to length and attaching standard clamps or barbed fittings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStraight 5 ft length for trimming to fit\u003c\/li\u003e\n  \u003cli\u003eFlexible EPDM suitable for tight bends within the specified radius\u003c\/li\u003e\n  \u003cli\u003eWorks with standard clamps, fittings, and connectors for secure attachment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I verify compatibility with my vehicle or system?\u003c\/h3\u003e\n\u003cp\u003eMeasure the existing hose ID and check the required temperature and pressure ranges against this hose’s ratings. For non-standard fluids or extreme operating environments, consult specifications or a technician before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm 5\/16\" (8 mm) inner diameter matches fittings\u003c\/li\u003e\n  \u003cli\u003eEnsure operating temperature and pressure fall within the hose limits\u003c\/li\u003e\n  \u003cli\u003eTrim to length and secure with appropriate clamps or fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This EVIL ENERGY heater hose is aimed at DIY mechanics, fleet maintenance teams, and automotive hobbyists who need a reliable, cut-to-fit coolant line for heater cores, radiator connections, or overflow reservoir plumbing. It suits projects where compact diameter, high temperature tolerance, and SAE 20R3 compliance are important. If you require a different size, longer length, or specialized fluid compatibility, choose an alternative product tailored to those needs.\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: What is the inner diameter and length of this EVIL ENERGY hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hose has a 5\/16\" (8 mm) inner diameter and comes as a 5-foot length ready for trimming.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this hose handle engine coolant and high temperatures?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it's EPDM-rated for coolant and antifreeze, with a temperature range of -40°F to 257°F and 100 PSI working pressure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":48086928720030,"sku":"B0C7VKVVHW","price":29.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/evil-energy-front-packaging-heater-hose_d6f3892b-51a1-4423-9e64-5df829b974c0.jpg?v=1785909877","url":"https:\/\/northtrailauto.ca\/products\/evil-energy-5-16-heater-hose-5-ft-black-epdm-coolant-line-100-psi-sae-20r3","provider":"North Trail Auto","version":"1.0","type":"link"}