Well the problem with B100 is really not with rubber.

Rubber problem pops when you add heat to the mix. As mentionned above. Regular modern diesel fuel line have actually no problem from biod if they are not under heat stress.

Get Viton for the return lines. and regular rubber for eveywhere else!

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Aquilae non capunt muscas! (Eagles don't hunt flies!)


1979 300SD Black/Black MBtex239000mi
1983 300TD euro-NA. White/Olive Cloth-MBtex 201000mi. Fleet car of the USA embassy in Morocco
1983 240D Labrador Blue/Blue MBtex 161000mi