Since I burn BD, I wanted as spotless a fuel system as possible so I pulled my tank, cleaned and flushed it,fuel strainerand fuel sender, replaced all filters and rubber lines with viton. Trying to get it all done once and avoid clogs later. It has worked fine.

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1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 300k -still driven daily