merecedez benz biodiesel trouble with leak off lines

I have a 1993 MB 300 TD which I have been running B20 to B99 with good performance. The only problem I have is so far not being able to find a replacement for the leak off lines at the injectors. They are made of rubber and of course do not do well. I have had to have these replaced twice this last year.

Does anyone know of a solution to this problem? My local MB dealer said he didn't think these leak off lines were available in anything but rubber.

thanks for any ideas

Leaky lines

Biodiesel causes natural rubber tubing to break down. Viton is the solution. Most of the tubing used in fuel systems is natural rubber. Replace it with Viton tubing and you will not have to replace it again.

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