When I had my w123, I replaced the alternator with one from a gasser w126. I forget the amperage, but it was higher than the ones for the om617. it worked very well. Brighter lights, HVAC fan did not pull the system down, etc.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K

90 Dodge D250 5.9 Cummins/5 speed. 400K