Need 89 left side engine crank case

Working on 1989 EZGO Marathon.
Just broke down engine to rebuild.
Got case split and noticed crankshaft seal had worn through on top.
Removed seal and pressed out bearings, an noticed a crack in case at seal edge.
Looks as though someone has hit case with a hammer right at seal edge.
So I would like to find used left side case.
Here are some pics:
Many thanks in advance.

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