FYI-- I found the correct bearing at NAPA auto parts. Part number is 6206-2RSJ, for those who need it. Cost was ~24 dollars.

Anyway, I now have a couple new problems *sigh*

The new compressor: Should I be able to turn it by hand? I can turn the old one but not this new one. Is there some valve that is holding pressure or something? or is it seized? This is a remanufactured York compressor.

And, the old clutch didn't want to cooperate with the new compressor. Seems the bolts around the shaft are bigger, and contact the pulley when the clutch is tightened on. I put a spacer inbetween the shaft and the clutch, seems like that will work. Anybody else been here?

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'79 240D 4 speed manual 105k miles