I just finished blasting my suburban's body and found the passenger side lower rear quarter and the rocker box area look like a sieves. None of my traditional parts sources have suburban quarter panels. Does anyone know of a source for quarter panels? Will a fleet side truck bed side work? They are available but costly. I checked previous threads and tend to doubt the latter, but there was some discussion about the lower portion of a step side. If anyone has experience repairing suburban quarter panels I could really use some advice.

I tried to add photos. I hope they came through.
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