72 Duster Wiper linkage

Hey Guys,
Initially, I was trying to locate one wiper bushing for my 72 Duster. My Mopar dealer had the 3 smaller ones for the linkage but can't seem to find anything online for bigger one up by the wiper motor.
Upon further inspection - it now appears I need the crank w/pin and the linkage piece coming off the wiper motor as both are very worn because there was no bushing for a long time. Also need the plastic bushing, spring washer and retainer clip - or the complete linkage set. Anybody out there have anything that might work?
For sure, I won't have to worry about rain for a long time here in WI - starting to get that crappy white stuff.
Thanks for any help