{"product_id":"trexflow-tf-sae30r9-fuel-injection-hose-5-16-id-5ft-high-pressure-300-psi-ethanol-safe","title":"TREXFLOW TF SAE30R9 Fuel Injection Hose 5\/16\" ID — 5ft High-Pressure 300 psi, Ethanol-Safe","description":"\u003cp\u003e\u003cstrong\u003eTREXFLOW TF SAE30R9 5\/16\" fuel injection hose is a 5-foot, high-pressure push-lock line built with a fluoroelastomer inner layer and aramid braid for reliable fuel resistance up to 300 psi.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis SAE J30 R9-rated hose is engineered for demanding fuel system applications where ethanol and aggressive fuels are present. It pairs a smooth FKM inner liner with an Epichlorohydrin outer cover and embedded aramid reinforcement to resist permeation, swelling, and hardening. The hose is sized for a 5\/16\" (8 mm) inner diameter, has a 0.55\" (14 mm) outer diameter, and is supplied in a 5-foot length for easy routing in engines, race cars, and custom fuel systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose stand up to ethanol and modern fuels?\u003c\/h3\u003e\n\u003cp\u003eThe TREXFLOW TF SAE30R9 construction minimizes fuel vapor permeation and degradation when exposed to ethanol-blended fuels, methanol, and other aggressive liquids. Its fluoroelastomer (FKM) inner layer resists chemical attack while the Epichlorohydrin outer cover protects against environmental wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEthanol-safe formulation for E10, E85 and higher blends\u003c\/li\u003e\n  \u003cli\u003eCompatible with gasoline, methanol, diesel, biodiesel blends, and racing fuels\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist permeation and maintain flexibility over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat pressures and temperatures can it handle?\u003c\/h3\u003e\n\u003cp\u003eThis 5\/16\" ID hose is rated for 300 psi working pressure with a much higher burst capability, making it suitable for many fuel injection and high-pressure return lines. The operating temperature range spans from -40°F to 300°F (-40°C to 150°C), supporting cold starts and high-heat engine bays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure: 300 psi; high burst margin for safety\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -40°F to 300°F (-40°C to 150°C)\u003c\/li\u003e\n  \u003cli\u003eVacuum rating: ~23.9 inHg (810 mbar) at 20% deflection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this with push-lock fittings and hose clamps?\u003c\/h3\u003e\n\u003cp\u003eThe hose is manufactured for push-lock style fittings and will slide over smooth barbs for secure connections. Clamps are recommended for push-lock fittings and required when pressures exceed 10 psi or when using smooth hose barbs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntended for push-lock fittings; not for cutter-style or crimp AN ends\u003c\/li\u003e\n  \u003cli\u003eUse hose clamps on smooth barb fittings and when pressure \u0026gt;10 psi\u003c\/li\u003e\n  \u003cli\u003eNot designed to be submerged inside fuel tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and certifications back its quality?\u003c\/h3\u003e\n\u003cp\u003eThe hose combines an FKM inner liner, aramid fiber reinforcement braid, and an Epichlorohydrin outer cover to produce a balanced set of chemical and mechanical properties. Production follows ISO 9001 and IATF 16949 quality controls to ensure consistent dimensions and performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFKM inner layer for excellent chemical resistance\u003c\/li\u003e\n  \u003cli\u003eEmbedded aramid braid offers tensile strength and kink resistance\u003c\/li\u003e\n  \u003cli\u003eManufactured under ISO 9001 and IATF 16949 quality systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Mechanics, performance tuners, custom builders, and fleet technicians who need a short run of reliable, ethanol-compatible fuel hose will find the TREXFLOW TF SAE30R9 5\/16\" 5-foot line useful for fuel injection routing, PCV and evap lines, and other under-hood applications. It is ideal when you require a durable push-lock hose that resists permeation from modern fuels and stands up to high temperatures and pressures—just avoid submerging it in a fuel tank and use proper clamps and fittings for safe installation.\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: Is this hose compatible with E85 and methanol?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The FKM inner layer and SAE J30 R9 design make it compatible with E85, methanol, and many aggressive fuels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I crimp AN fittings onto this hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This hose is intended for push-lock fittings and is not suitable for cutter-style or crimp AN hose ends.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TREXFLOW TF","offers":[{"title":"Default Title","offer_id":48085575205022,"sku":"B0CNRF7NDB","price":38.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/trexflow-tf-front-packaging-5ft-fuel-hose.jpg?v=1785873691","url":"https:\/\/northtrailauto.ca\/products\/trexflow-tf-sae30r9-fuel-injection-hose-5-16-id-5ft-high-pressure-300-psi-ethanol-safe","provider":"North Trail Auto","version":"1.0","type":"link"}