69 Charger receiver drier?

Rebuilding 69 Charger a/c system following heater core failure. Since system has been open for awhile need to replace receiver drier. Research indicates Four Seasons 33317 is the aftermarket generic replacement, however 33317 does not have a sight glass and does have a pressure switch (which was used in 70+ IIRC). Does anyone know of a more accurate aftermarket replacement?

I don't know about accurate new ones available on the market, one way or another.
However, I do know original ones can be rebuilt, mine is at a place in Florida right now having this done. Classic Auto Air. They cut the bottom off, replace the desiccant, then weld the bottom back on and paint.
For mine, $110.