While we have a potential option for you, we only have hitch models that fit the Safari model of 1980 Pontiac Le Mans Wagon. If this is what you have, I confirmed with Curt that the Curt Trailer Hitch Receiver - Class II - 1-1/4" # C12005 fits perfectly. It comes with all hardware required for a drill-free installation that only takes about 50 minutes to install.
If you happen to have the base model 1980 Pontiac Le Mans Wagon, we unfortunately do not have a confirmed fitment for that... view full answer...