Anyone know if they make an aftermarket part

[MyNewFoundGlory]

I recently ordered a porterbuilt cnotch and am waiting patiently for it to come. I've been trying to research which crossmembers get removed but from what I found this rear coil bracket stays in. As you can see, my set is on its way out

I've been looking everywhere but can't find anything. Anyone here have the same problem? Or a solution what I should do? How difficult would it be to fabricate the bracket. Or does the deluxe porterbuilt cnotch not use this bracket at all? Anyone willing to part with their set? Please.
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[Reyals Bemus]

Kinda weird. Never seen that area on these trucks rust out before. I think Porterbuilt makes a replacement tubular crossmember for each factory crossmember these trucks had.