Can somebody help me out there please

My car is a 1994 c220 diesel auto

I have a leak at the return pipe going into the fuel tank i replaced the small pipe with rubber flex and removed the drain plug to find the oring was shot i went to the stealerswhip and requested a replacement oring .
The storeman said the oring was no longer available and would need to buy a new sender unit to get the part i wanted this is nonsense can somebody help and give a rookie some help cheers

Take the old O ring to a parts store...many have O ring kits with every size under the sun.............Unless you need one for the shuttle boosters.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

Thanks for your advice this oring is not a size or thickness of any in the store i went to eds.....

THe Hardware store I go to has their kit in three metal boxes in sizes up to at least 4" .........and then there is Metric kits.....Its possible your store had a smaller kit....

Just noticed you are in Scotland....so not sure what places you have at your beconing there....try stores that sell plumbing supplies...or building supplies as well as auto parts.....

__________________
Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
---------------------
Section 609 MVAC Certified
---------------------
"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

The worst case you can order it here http://www.mcmaster.com/
Good luck.