It seems most replace the S10 tank but I reused it.
The internals were in bad shape.. fuel pump was rusted, didn’t run plus the lines crumbled. I pulled it all out and replaced it with a piece of hose to work as a pickup in the sump. I used an external pump because of clearance issues but was able to reuse the lines to/from the tank and the filter. The fuel was as nasty as the fuel pump but I picked up a few extra filters and accepted my fate of multiple replacements.