Roadtrek 2001 Fresh water replacement/ repair

[archie5463@gmail.com]

1/2 fat drain/outlet destroyed. Would prefer replacement. Shilton plastics model 6001. Can’t find it or manufacturer. Any body have a tank or replacement source?
I’m exploring local plastic welding sources. Tank has spin welded fittings and I’m considering, purchasing the spin weld supplies as I have a 2 hp router or the plastic welding tools and supplies. Looking for ideas and sources. I have read several threads about this type of issue. Thanks