Description
Every 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.
The 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.
Clamps 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.
A 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.
Ordering 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.
In 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.
Pressure, contained. Fuel, delivered.
Key Features
- ✦ Synthetic nitrile rubber compound resistant to oil, heat, and abrasion
- ✦ Double-layer high-strength nylon braid reinforcement resists high working pressure
- ✦ High-strength nylon wire clamps at connections keep fittings seated under vibration
- ✦ Handles gasoline, diesel, ethanol, methanol, engine oil, and kerosene media
- ✦ Wide temperature window from -40C to +180C handles cold starts and hot engine bays
- ✦ Multiple inner diameters (4-25mm) suit fuel, oil, steam, and air lines
- ✦ Flexible construction routes cleanly through tight engine compartments
Technical Specifications
- Material: Synthetic nitrile rubber (oil-resistant)
- Hose Density: 1.35 g/cm3
- Hose Hardness: 70 +/- 5 degrees
- Available Diameter: 4mm - 25mm inner diameter
- Temperature Range: -40C to +180C (media -30C to +120C)
- Clamp Material: Double-layer high-strength nylon wire
- Media: Gasoline, diesel, ethanol, methanol, engine oil, kerosene
- Primary Uses: Fuel delivery, oil transport, steam, high-pressure lines
- Main Industries: Agricultural machinery, marine, automotive, industrial
Application Scenarios
Mechanics, 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.
Frequently Asked Questions
Q: Can I use it with petrol or gasoline?
A: 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.
Q: What temperature range does it survive?
A: 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.
Q: How do I choose the right diameter?
A: 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.
Q: Will it kink in tight engine bays?
A: 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.
Q: Is it safe for high-pressure fuel systems?
A: 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.
Q: Can I cut it to any length?
A: 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.
Q: Does it handle both suction and pressure?
A: 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.
Customer Reviews
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