Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID
Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID
Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID
Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID
Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID
Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID
Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID
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Black Nitrile Rubber Fuel Hose Pipe | Petrol Diesel Oil Tube | 3mm–25mm ID

HomeDIYer
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By HomeDIYer®

Price:
$9.18 USD
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In stock (500 units), ready to be shipped

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Description

Black Nitrile Rubber Fuel Hose Pipe — Flexible Oil & Petrol Line for Engines, Machinery & DIY Builds

Tracking down a fuel line leak on a weekend project — or routing a clean diesel return line on a rebuild — is frustrating when generic tubing cracks, swells, or simply doesn't fit. This black nitrile rubber (NBR) fuel hose is built for mechanics, small-engine enthusiasts, and DIY builders who need a reliable, fuel-resistant tube that goes where they point it and stays sealed under real-world conditions.

Each order is a continuous length of black NBR nitrile rubber hose, available in inner diameter (ID) × outer diameter (OD) combinations from 3mm×6mm (≈1/8"×15/64") up to 25mm×31mm (≈1"×1-7/32"), and in cut lengths of 1M (≈3.3 ft), 2M, 3M, 5M, 10M, and 20M (≈65.6 ft). Wall thickness varies by size — typically 1.5mm to 3mm depending on the ID/OD combination. Select your size and length from the variant options above.

Typical use cases include petrol and diesel fuel feed and return lines on small engines, lawnmowers, generators, and motorcycles; oil breather and crankcase ventilation hose routing on automotive builds; and hydraulic oil transfer lines in workshop equipment and agricultural machinery. The flexibility of NBR tubing also makes it a go-to choice for fuel line repair kits and custom plumbing in off-road vehicles.

ℹ️ Compatibility Note: This hose is designed for petrol (gasoline), diesel, biodiesel (up to B20), motor oil, and petroleum-based hydraulic fluids. It is not recommended for ethanol concentrations above E15, brake fluid, coolant, or aggressive solvents. Confirm your fluid compatibility before installation.

✅ Key Features of These Black Nitrile Rubber Fuel Hose Pipes

  • ⛽Fuel-Resistant NBR Construction — Nitrile rubber (NBR) compound resists swelling, cracking, and degradation when in contact with petrol, diesel, and petroleum-based oils — a critical property for long-term fuel line integrity.
  • 📐Wide Size Range (3mm–25mm ID) — Eighteen ID×OD combinations cover everything from small-engine carb lines (3mm ID) to larger oil transfer hoses (25mm ID), reducing the need to source multiple part numbers.
  • ✂️Continuous Length, Cut to Fit — Supplied in 1M to 20M runs so you can cut exactly what your routing requires, minimizing waste and avoiding unnecessary joins in the line.
  • 🌡️Broad Temperature Tolerance — Rated for use in temperatures typically ranging from -40°F to +212°F (-40°C to +100°C), suitable for engine bay environments and cold-climate outdoor equipment.
  • 🔧Push-Fit Flexibility — The hose wall is firm enough to hold barb fittings securely yet flexible enough to route around tight bends without kinking — ideal for compact engine compartments and custom fuel system builds.
  • 🏭Consistent Wall Thickness — Uniform wall construction across the length ensures even compression against fittings and clamps, reducing the risk of pinhole leaks at connection points in low-pressure fuel and oil lines.

📐 Technical Specifications — Nitrile Rubber Fuel Hose Pipe

Material Nitrile Rubber (NBR)
Color Black
Inner Diameter (ID) Options 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 19mm, 25mm
Outer Diameter (OD) Options 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 20mm, 21mm, 25mm, 31mm
Wall Thickness Typically 1.5mm–3mm (varies by ID/OD combination — see variant options)
Available Lengths 1M (≈3.3 ft), 2M, 3M, 5M, 10M, 20M (≈65.6 ft)
Fluid Compatibility Petrol, diesel, biodiesel (≤B20), motor oil, petroleum hydraulic oil
Working Temperature Typically -40°F to +212°F (-40°C to +100°C)
Working Pressure Typically up to 50–70 PSI (low-pressure lines); contact us for high-pressure applications
Hose Type Smooth bore, single-layer rubber tube
Recommended Use Fuel feed/return lines, oil breather hoses, hydraulic oil transfer, small-engine fuel systems
Clamp Compatibility See variant options
Country of Origin China
⚠️ Before You Order: Always verify the ID matches your fitting barb OD and confirm fluid compatibility for your specific application. If you are unsure about pressure ratings or chemical resistance for your use case, contact us to confirm before purchasing.

❓ Frequently Asked Questions

How do I choose the right hose size (ID and OD)?

Match the ID (inner diameter) to the OD of your barb fitting or nipple. For example, a 6mm barb fitting generally requires a hose with a 6mm ID. The OD matters when the hose must pass through a grommet, bulkhead, or tight space. If you are between sizes, typically size up for a push-fit or use a clamp to secure a slightly larger ID. Conversion reference: 3mm ≈ 1/8", 6mm ≈ 1/4", 8mm ≈ 5/16", 10mm ≈ 3/8", 12mm ≈ 1/2", 19mm ≈ 3/4", 25mm ≈ 1".

What fuels and fluids is this nitrile rubber hose compatible with?

This NBR hose is generally compatible with petrol (gasoline), diesel, biodiesel blends up to B20, motor oil, gear oil, and petroleum-based hydraulic fluids. It is not recommended for ethanol concentrations above E15, brake fluid (DOT 3/4/5), coolant/antifreeze, or strong solvents such as acetone or MEK. When in doubt, contact us to confirm compatibility for your specific fluid.

What is the working pressure and temperature range?

NBR fuel hose of this construction typically handles working pressures up to 50–70 PSI, making it suitable for low-pressure gravity-feed and return fuel lines. The operating temperature range is generally -40°F to +212°F (-40°C to +100°C). For high-pressure fuel injection systems or sustained temperatures above 200°F, please contact us before ordering to confirm suitability.

Can this hose be used in an engine bay or outdoors?

Yes. Nitrile rubber resists oil, grease, and moderate heat, making it well-suited for engine bay fuel and oil line routing. Keep the hose away from direct contact with exhaust manifolds or other extreme heat sources. For installations with prolonged UV exposure, wrapping with heat-resistant sleeving or conduit is generally recommended to extend service life.

How do I convert the length options to feet or inches?

Quick reference: 1M ≈ 3.3 ft (39.4 in) | 2M ≈ 6.6 ft | 3M ≈ 9.8 ft | 5M ≈ 16.4 ft | 10M ≈ 32.8 ft | 20M ≈ 65.6 ft. Measure your full routing path including bends, then add 10–15% for overlap at fittings and clamp zones before selecting a length.

Do I need hose clamps with this tubing?

For low-pressure gravity-feed applications (e.g., lawnmower carb lines), a snug push-fit over a barb fitting is often sufficient. For any pressurized fuel line, vibration-prone installation, or safety-critical application, worm-drive or spring clamps are strongly recommended to prevent leaks. Always follow the equipment manufacturer's guidelines for fuel line connections.

Can I cut this hose to a custom length?

Yes. The hose is supplied as a continuous length and can be cut with a sharp utility knife or dedicated hose cutter. A clean, straight cut is important for achieving a proper seal against barb fittings. Avoid sawing motions that can leave a ragged edge.

🛒 Select your size (ID×OD) and length above, then add to cart — ships from our US warehouse.

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