{"product_id":"flowline-high-pressure-oil-fuel-hose","title":"The Flowline | High-Pressure Oil \u0026 Fuel Delivery Hose (4-25mm)","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eEvery engine is a question about trust: whether the fuel arrives, cleanly, at exactly the pressure the machine expects. The Flowline is the honest answer, a synthetic nitrile rubber hose built to deliver gasoline, diesel, ethanol, and methanol under heat and pressure without breaking down, blistering, or leaking.\u003c\/p\u003e\n\u003cp\u003eThe rubber compound is oil-resistant and reinforced with a double-layer high-strength nylon braid that keeps the hose from ballooning at working pressure. It handles a broad temperature range, from cold-start stiffness in a winter workshop to the sustained heat of a running engine bay, so the same roll serves fuel lines, oil returns, and steam or air transfer around the shop.\u003c\/p\u003e\n\u003cp\u003eClamps at each connection use high-strength nylon wire, keeping fittings seated under vibration and thermal cycling. Whether you are building a custom fuel system, replacing a cracked factory line, or plumbing a generator or marine application, the Flowline cuts to length and stays flexible enough to route through tight engine compartments.\u003c\/p\u003e\n\u003cp\u003eA hose that fails quietly under the hood is the worst kind of failure: the one you discover at the worst moment. Robust construction, a sensible temperature window, and clean fuel compatibility are what separate a maintenance part that protects the machine from one that becomes the next repair. The Flowline is the former.\u003c\/p\u003e\n\u003cp\u003eOrdering a hose is rarely the highlight of a project, which is exactly why it deserves a moment of thought. Buying by diameter and media instead of brand avoids the fit-and-flame disappointment of a cheap amber hose that softens on the first warm run. This hose is cut to the exact length you need, routed to the spec you planned, then bolted once, because a good fuel line should not ask to be revisited.\u003c\/p\u003e\n\u003cp\u003eIn agricultural equipment, generators, and the service end of marine and automotive work, downtime is the silent tax every owner pays. A reinforced oil-and-fuel hose that holds its shape through heat and pressure keeps that tax off the books, keeping machines running and shops on schedule from the first warm-up to the last service of the day.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePressure, contained. Fuel, delivered.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✦ Synthetic nitrile rubber compound resistant to oil, heat, and abrasion\u003c\/li\u003e\n\u003cli\u003e✦ Double-layer high-strength nylon braid reinforcement resists high working pressure\u003c\/li\u003e\n\u003cli\u003e✦ High-strength nylon wire clamps at connections keep fittings seated under vibration\u003c\/li\u003e\n\u003cli\u003e✦ Handles gasoline, diesel, ethanol, methanol, engine oil, and kerosene media\u003c\/li\u003e\n\u003cli\u003e✦ Wide temperature window from -40C to +180C handles cold starts and hot engine bays\u003c\/li\u003e\n\u003cli\u003e✦ Multiple inner diameters (4-25mm) suit fuel, oil, steam, and air lines\u003c\/li\u003e\n\u003cli\u003e✦ Flexible construction routes cleanly through tight engine compartments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Synthetic nitrile rubber (oil-resistant)\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eHose Density:\u003c\/strong\u003e 1.35 g\/cm3\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eHose Hardness:\u003c\/strong\u003e 70 +\/- 5 degrees\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eAvailable Diameter:\u003c\/strong\u003e 4mm - 25mm inner diameter\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -40C to +180C (media -30C to +120C)\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eClamp Material:\u003c\/strong\u003e Double-layer high-strength nylon wire\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Gasoline, diesel, ethanol, methanol, engine oil, kerosene\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003ePrimary Uses:\u003c\/strong\u003e Fuel delivery, oil transport, steam, high-pressure lines\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eMain Industries:\u003c\/strong\u003e Agricultural machinery, marine, automotive, industrial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eMechanics, restorers, and small farmers use this hose for custom and replacement fuel lines, engine oil returns, and high-temperature transfer in automotive, marine, generator, and agricultural equipment where media compatibility and durability matter.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use it with petrol or gasoline?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The nitrile rubber is formulated for petroleum fuels including gasoline and diesel, and also handles ethanol and methanol blends found in many fuels today.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What temperature range does it survive?\u003c\/p\u003e\n\u003cp\u003eA: The hose stays flexible and pressure-rated across roughly -40C to +180C for general use, with the recommended operating window for the media between -30C and +120C.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I choose the right diameter?\u003c\/p\u003e\n\u003cp\u003eA: Match the inner diameter to your existing line or fitting: 4mm for small carburetor and return lines, larger diameters for main feed and transfer applications. When unsure, go up one size and use a reducer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will it kink in tight engine bays?\u003c\/p\u003e\n\u003cp\u003eA: No. The nylon-reinforced construction keeps its shape through reasonable bends and routes cleanly around components, though you should avoid sharp kinks that could restrict flow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is it safe for high-pressure fuel systems?\u003c\/p\u003e\n\u003cp\u003eA: Yes for standard automotive and equipment pressures. For direct-injection high-pressure rails, always confirm the exact working-pressure rating against your application and use appropriate fittings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I cut it to any length?\u003c\/p\u003e\n\u003cp\u003eA: Yes. It is sold by meter and cuts cleanly with a sharp knife or hose cutter. Always leave enough slack for routing around vibration and movement, and secure it with clamps every few feet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does it handle both suction and pressure?\u003c\/p\u003e\n\u003cp\u003eA: It is primarily a pressure and gravity-flow delivery hose. For suction lines that pull fuel toward a pump under vacuum, confirm the specific application, as vacuum service requires different reinforcement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top:30px;text-align:center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sef3d867ab773444a911e1894c9a0b83eM.webp?v=1733357988\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;display:block;margin:10px auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S21b319065ce94fe78ee8f111edb2c734u.webp?v=1733357988\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;display:block;margin:10px auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S5d98de33a9724b5791c1ae91fac1f8c6d.webp?v=1733357987\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;display:block;margin:10px auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S9b0697929a9c4124b33538e246c433440.webp?v=1733357988\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;display:block;margin:10px auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sf053271caecd43619707347eaa161cd49.webp?v=1733357988\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;display:block;margin:10px auto;\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"The Flowline | High-Pressure Oil \u0026 Fuel Delivery Hose (4-25mm)\",\"image\":[\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sef3d867ab773444a911e1894c9a0b83eM.webp?v=1733357988\"],\"offers\":{\"@type\":\"Offer\",\"price\":\"25.3\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\"},\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.7\",\"reviewCount\":\"16\"}}\u003c\/script\u003e","brand":"East Supplier Platform","offers":[{"title":"inside diameter4mm","offer_id":46560448446687,"sku":"1005006374071880-inside diameter4mm","price":11.89,"currency_code":"USD","in_stock":true},{"title":"inside diameter25mm","offer_id":46560448479455,"sku":"1005006374071880-inside diameter25mm","price":63.43,"currency_code":"USD","in_stock":true},{"title":"inside diameter12mm","offer_id":46560448512223,"sku":"1005006374071880-inside diameter12mm","price":25.3,"currency_code":"USD","in_stock":true},{"title":"inside diameter14mm","offer_id":46560448544991,"sku":"1005006374071880-inside diameter14mm","price":27.92,"currency_code":"USD","in_stock":true},{"title":"inside diameter16mm","offer_id":46560448577759,"sku":"1005006374071880-inside diameter16mm","price":37.44,"currency_code":"USD","in_stock":true},{"title":"inside diameter19mm","offer_id":46560448610527,"sku":"1005006374071880-inside diameter19mm","price":43.84,"currency_code":"USD","in_stock":true},{"title":"inside diameter5mm","offer_id":46560448643295,"sku":"1005006374071880-inside diameter5mm","price":13.36,"currency_code":"USD","in_stock":true},{"title":"inside diameter6mm","offer_id":46560448676063,"sku":"1005006374071880-inside diameter6mm","price":14.1,"currency_code":"USD","in_stock":true},{"title":"inside diameter8mm","offer_id":46560448708831,"sku":"1005006374071880-inside diameter8mm","price":18.72,"currency_code":"USD","in_stock":true},{"title":"inside diameter10mm","offer_id":46560448741599,"sku":"1005006374071880-inside diameter10mm","price":20.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sef3d867ab773444a911e1894c9a0b83eM.webp?v=1733357988","url":"https:\/\/eastsupplier.com\/ja-jp\/products\/flowline-high-pressure-oil-fuel-hose","provider":"EastSupplier Platform","version":"1.0","type":"link"}