Google is your friend.

http://www.peachparts.com/shopforum/diesel-discussion/325340-2-micron-fuel-filter-cat.html

http://www.peachparts.com/shopforum/diesel-discussion/225004-lower-micron-fuel-filter-mod.html

There's even a recent ad in the for sale section where someone is selling the adaptor plate and thread adaptor.

http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/386988-fs-cat-1r-7050-fuel-filter-upgrade-kits-om61x.html?highlight=cat+filter

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Onus probandi incumbit ei qui dicit, non ei qui negat

I recondition w123/w126/w124/w140/r107/r129/ steering boxes!


1984 300D "Elsa" odo reset 6/2011 147k
1983 300TD "Mitzi" ~268k OM603 powered
1995 E300 "Adelheid" 262k [Sold]