Thanks for the good info. I've been trying to find a 115 Amp alternator to fit my w126. Based on earlier threads, I saw some people trying to fit a Bosch AL129X 115Amp used in a Saab into the w126, and was thinking about going that route.
For the AC Delco model you listed, do you know that it fits without modifications? It sounded like with the AL129X there was a little screwing around to get it to fit.
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