I need a dumb little plastic piece that broke on my left side sun visor. 1985 model.

As you can see, the rod goes through the visor and the plastic piece. That tab connects to the windshield trim. Usually its the piece on the windshield that cracks.
Anyone have one or know where I can buy the tab without having to buy a whole new visor? Dark Blue or black is best but right now I'm desperate and will take any color.
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Joe
See Porsche run. Run, Porsche, Run:
`87 911 Carrera