Hey y’all sorry for the delayed response!! Spent the last 3 days driving from Oregon back to Florida and haven’t had a chance to get caught up.
Dan I’d say you are correct in that this is not an original wiper assembly. From what I remember, they are in fact electric motors and not vacuum operated.
I will pop the access covers and see if I can locate a manufacturer and/or part number and post the results.
Thank you all for the information and knowledge! I’ll be sure to provide updates until I have a resolution.