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The little ball that's attached to the fuel gauge sender in my car has a hole in it meaning that the fuel gauge isn't working. It is not possible to buy a replacement float - the whole sender unit must be purchased, which is expensive.

Would something like a fishing float or cork or even a table tennis ball survive being inside a fuel tank?

Gabriel Diego
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MeltingDog
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6 Answers6

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I've successfully used ping-pong balls in the past, on gasoline and diesel vehicles.

Bevan
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Cork will be porous so probably not a wise choice.

If you have a rare car and can't find an appropriate scrap vehicle (which would be my first choice) then a ping pong ball firmly secured to the sender are will be very effective.

Steve Matthews
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You probably allready thought of this but have you concidered getting one from a scrapped car? i use parts from the car dump all the time and i rarely have issues.

Sometimes you might even get it for free concidering the guys working at the scrapyard are usually nice guys :)

RB_Dash
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You could use a float from a motorcycle

You can get these used from various motorcycles for very cheap.

From there you can use a propane torch to unweld them from their hangar and braze them onto your float arm. The fuel will never degrade one and there are plenty of them around for a very low cost.

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DucatiKiller
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I used a pill bottle. Standard hole for sending unit is 1 1/2", pill bottle is 1 3/8". grind the most outer part of the cap off and cap retainers on the bottle. Epoxy glue the cap to bottle. I drilled holes in each end and Epoxied to lever rod. I then put a whole coat of epoxy over entire bottle. The epoxy fully encapsulated the pill bottle. 5 minute epoxy at the Dollar Store $1.99

Dapped
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I have a 1999 for f250 super duty 7.3l doesel engine with a 38 gallon tank, my old fuel float was made out of pvc and it lasted for 20 years and eventually eroded i just got a cheap pieace of 1×2 pvc board from home depot cut it to size, drilled a whole and got a new working one for 4 dollars. Not a bad method its cheap works great and easy to do. I hope this helps any of you for me i called tons of stores and suppliers and couldnt find anything like what i needed.

John k
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