Found a sorce for aftermarket fuel tank sending units. Cheap aswell.
 

Found while searching through old posts on CF when I couldn't find info anywhere else or a company who sold one. Ebay doesn't even carry them let alone napa, summit, genos you name it.

They carry pistons for the cummins even and lp's at cheap as well

.Mopar Parts for Dodge, Chrysler and Jeep: MoparPartsAmerica

EDIT: I just called my local chrysler dealer and they want $425,00 for a sending unit.

I would upgrade with an aftermarket fuel system that comes with a lifetime warranty. It will end up saving you lots of money in the long run.

Okay I'm interested. Got any names or anything?

I sure do. Give me a call at 635-597-3122.

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Sorry, Typo. thats 636-597-3122