Black Fluorine Rubber Tube Fuel Hose OD 4-38mm,Oil Line Fuel Pipe Tubing Petrol

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Sale price$3.20 USD
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In stock (500 units), ready to be shipped

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Description

Black Fluorine Rubber Fuel Hose — Flexible Oil & Petrol Line Tubing for Engines and Machinery

When a leaking or cracked fuel line puts your engine, generator, or small machine out of service, finding a hose that seals reliably against petrol, diesel, and hydraulic oil is the real challenge. This black fluorine rubber fuel hose is built for mechanics, small-engine technicians, and hands-on DIYers who need a dependable replacement or custom-length fuel line without sourcing from a specialty supplier.

Each hose is made from fluorine rubber (FKM/Viton-type compound) with a smooth black finish. The range covers inner diameters from 2 mm to 32 mm and outer diameters from 4 mm to 38 mm (approximately 0.08 in to 1.26 in ID; 0.16 in to 1.50 in OD), sold in 1-meter cut lengths. Wall thickness varies by size and is typically 1–3 mm depending on the selected variant.

Typical applications include motorcycle and small-engine fuel lines, lawn mower and generator petrol feeds, hydraulic return lines in workshop equipment, and chemical transfer tubing in light industrial settings where oil-resistant flexible hose is required.

⚠️ Compatibility note: Match the inner diameter (ID) of this hose to your fitting or barb OD for a secure seal. If your fitting is metric, select the ID that matches your barb size. Not rated for high-pressure hydraulic circuits — confirm operating pressure with your application specs before ordering.

✅ Key Features of These Black Fluorine Rubber Fuel Hoses

🛢️ Oil & Fuel Resistant

Fluorine rubber (FKM-type) compound resists petrol, diesel, engine oil, and many hydraulic fluids, maintaining flexibility and seal integrity over extended use.

📏 24 Size Options

Available in 24 ID×OD combinations from 2×4 mm up to 32×38 mm, covering a wide range of small-engine and light industrial fitting sizes in a single product listing.

✂️ 1-Meter Cut Lengths

Each unit is supplied as a 1-meter length, giving you enough material to replace a standard fuel line run or cut to the exact length your application requires.

🌡️ Broad Temperature Tolerance

Fluorine rubber retains flexibility across a wide service temperature range, typically −20 °C to +200 °C (−4 °F to +392 °F), suitable for under-hood and outdoor equipment environments.

🔧 Smooth Inner Bore

The smooth interior surface minimizes flow restriction and makes it straightforward to push onto standard barbed fittings without tools in most sizes.

⚗️ Chemical Resistance

Beyond fuels, the FKM compound offers resistance to many solvents and chemicals, making these hoses useful for light chemical transfer lines in workshop and laboratory settings.

📐 Technical Specifications — Fluorine Rubber Fuel Hose

Material Fluorine Rubber (FKM / Viton-type compound)
Color Black
Inner Diameter (ID) Range 2 mm – 32 mm (approx. 0.08 in – 1.26 in)
Outer Diameter (OD) Range 4 mm – 38 mm (approx. 0.16 in – 1.50 in)
Wall Thickness See variant options (typically 1–3 mm depending on size)
Length per Unit 1 Meter (approx. 39.4 in)
Service Temperature Typically −20 °C to +200 °C (−4 °F to +392 °F)
Fluid Compatibility Petrol, diesel, engine oil, hydraulic fluid, many solvents
Pressure Rating See variant options — contact us to confirm for your application
Surface Finish Smooth bore, smooth exterior
Available Sizes 24 ID×OD combinations (2×4 mm to 32×38 mm)

❓ Frequently Asked Questions

How do I choose the right size for my fuel line?

Measure the outer diameter of your barbed fitting or nipple — that measurement should match the inner diameter (ID) of the hose you select. For example, if your fuel tap barb is 6 mm OD, choose the 6×9 mm or 6×10 mm hose depending on how snug a fit you need. A slightly smaller ID than the barb OD creates a tighter, more secure seal.

Is this hose suitable for high-pressure fuel injection systems?

These hoses are designed for low-to-medium pressure fuel feed and return lines typical of carbureted engines, small generators, and lawn equipment. They are not rated for high-pressure fuel injection circuits. If your application involves injection pressures above approximately 5 bar (72 psi), please contact us to confirm suitability before ordering.

Will this hose resist ethanol-blended fuels (E10, E15)?

Fluorine rubber (FKM) has good resistance to ethanol-blended fuels including E10 and E15, which are common in modern pump petrol. It outperforms standard nitrile (NBR) rubber in ethanol resistance, making it a practical choice for engines running on blended fuels.

Can I use this hose for coolant or water lines?

While fluorine rubber is chemically resistant, these hoses are optimized for oil and fuel service. For coolant or water applications, a silicone or EPDM hose is typically a better fit. If you need a multi-purpose hose, contact us to discuss the specific fluid and temperature requirements.

How do I secure the hose to the fitting — do I need clamps?

For low-pressure applications, pushing the hose firmly onto a barbed fitting is often sufficient. For any fuel line where vibration or pressure fluctuation is present, a worm-drive hose clamp or crimp clamp is recommended to prevent the hose from working loose over time. Clamps are not included.

What is the wall thickness for each size?

Wall thickness is the difference between the OD and ID divided by two. For example, the 4×8 mm hose has a 2 mm wall, while the 2×4 mm hose also has a 1 mm wall. Across the range, wall thickness is typically 1–3 mm. If you need the exact wall thickness for a specific variant, please refer to the size selector or contact us to confirm.

🛒 Select your size (ID×OD) and length above, then add to cart.

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