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Can you replace nylon fuel line with rubber?

Author

David Richardson

Updated on March 03, 2026

Can you replace nylon fuel line with rubber?

You can put the nylon line several inches up into the rubber hose. It fits pretty good and never has leaked on me yet.

Also to know is, can I use rubber hose to repair fuel lines?

Standard rubber vacuum or heater hose should never be used in fuel applications. The hose will deteriorate from the inside out and can plug fuel filters and carburetors with rubber debris, long before it springs an external leak.

Also Know, do nylon fuel lines need clamps? Fragola and a few other companies make the push-loc hose that does not need a clamp. That looks like nylon fuel hose which has Ben used by gm for years with no clamps. Actually dorman makes repair lines for them that don't have clamps either.

Keeping this in consideration, how long does rubber fuel line last?

10-15 years

Are nylon fuel lines good?

Fuel injection has a higher pump pressure than your old carbureted type of system, and the pressure may blow the line off. This could cause a fire. Though I have done it on my own vehicles in the past, it is not recommended. Do not use nylon lines.

Does rubber dissolve in gasoline?

The seal will not dissolve but will certainly absorb petrol and swell up. It also might release some oils in the petrol tank, although that is in minisicule amounts.

Is clear vinyl tubing gasoline resistant?

Re: Can vinyl tubes withstand gasoline? In general, it needs to be a cross-linked polymer to work with fuel. The only non-cross linked material that comes quickly to mind and is fuel resistant is poly vinyl alchoholand that dissolves in water. Only use hose which is fuel rated.

Can you use hydraulic hose for fuel line?

hydraulic hose will work fine to. It won't deteriorate. The only down fall is its big thick and harder to move around then fuel line. I used fuel line rated for 200psi and those special barb fittings.

How much does it cost to replace fuel lines?

Fixing a leaking fuel line is a simple task for a repair facility and costs between $60 and $120. Lavacot says it can easily be done at home by the semi-advanced mechanic.

Can vinyl tubing be used for fuel?

No - unless specially made for this purpose do not use plain ordinary vinyl tubing for gasoline and other hydrocarbons.

Can you use nylon hose for fuel?

Nylon Braided Lightweight Hose

The braided nylon outer shield protects the hose when it rubs on the engine or other car parts. The inner core is stainless steel. The rubber liner is chlorinated polyethylene (CPE) and it is good for fuel systems that use E85, methanol and E10.

Can you tape a fuel line?

You can not tape a fuel line. It doesn't work and can potentially lead to legal issues with you spilling gas all over your local roadways.

How flexible is nylon fuel line?

Benefits of using it.it's flexible and no flaring needed as with hard lines (nice for custom apps), it's easier to work with when it comes to installing the fittings compared to braided stainless, and looks better than traditional rubber hose, imo.

How are nylon fuel lines measured?

Place the top of a 1/4-inch wrench with an open end over the fuel line. Slide it carefully over the line so that it fits snugly against the tubing. Read the wrench's measurements to determine the diameter of the fuel line. Place a caliper over the fuel line if the wrench did not give an accurate reading.

Can you repair a fuel line?

Fuel line leaks cannot be repaired and need to be replaced with a new line. Cutting parts out of the damaged line and replacing with fittings at the leak will cause the lines to be too short to mount properly.

How do you seal gas fittings?

Liquid or paste type sealant won't clog. For gasoline, regular old gasoline resistant Aviation Form-a-gasket Number 3 is the best option. Another product also offered by Permatex is the High Temperature Thread Sealant.

Does petrol degrade rubber?

The degradation will continue as the fuel ages and the peroxides which form will slowly attack the soft materials in the fuel system. The first to suffer will be the rubber and plastic fuel hoses, which will fall apart, followed by primer bulbs and carb diaphragms.

How often should fuel lines be replaced?

50,000 to 75,000

When should you replace fuel lines?

10 years

Does E85 eat rubber?

Ethanol has a corrosive action on fuel-system components, magnesium, aluminium and rubber. Running E85 on older model engines without tuning and replacing some components will ruin the engine in short time. Replacing fuel hoses, fuel pumps, gaskets, seals, fuel filters, fuel injectors, throttle bodies, etc.

Does diesel fuel deteriorate rubber?

Nitrile is the rubber that isn't affected by diesel.

Can copper tubing be used for fuel line?

Copper tubing makes an attractive and permanent oil or fuel line and connections. There are various types of tubing benders on the market, but copper tubing can be neatly bent by hand with patience and time. Tubing connections are easily damaged, but with care they can be removed and replaced many times.

How long do gas hoses last?

7 years

Can polyethylene tubing be used for gasoline?

It has exceptional resistance to most gasoline, oils, kerosene, and other petroleum-based chemicals, making PU tubing and hose an ideal choice for fuel lines (although additives in today's gasoline and petroleum products warrant field testing). Title: Can polyurethane tubing be used for fuel lines?

What type of hose is used for gasoline?

Most fuel line is made of black nitrile with nylon cords between the layers for strengths. This hose is typically good for pressures up to 25 psi, beyond that you need EFI hose. Standard fuel line is capable of supporting gasoline, diesel, biodiesel, ethanol, and oil.

Will gasoline eat through nylon?

Nylon is one of the most gasoline-resistant resins. That said, high-octane gasoline will cause some deterioration in nylon.

How is nylon tubing formed?

You can give permanent bend to Nylon tubing as under;
  1. Put a spring inside the tube.
  2. Take a soft copper or aluminum rod or pipe.
  3. Bend this metal rod or pipe as per your bending need.
  4. Now tie up your nylon tubing along with bove metal fixer.
  5. Put the complete assembly in hot boiling water for 5-10 mints.

What is nylon fuel?

The solid fuel grains that will fuel the world's largest operational hybrid rocket will be a thermoset plastic similar to nylon. Instead of HTPB, the rocket motor will now use a fuel based on polyamide, a class of thermoset plastics of which the most well known is nylon.

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Can you replace nylon fuel line with rubber?