Since replacing the harmonic balancer I have also replaced the alternator and AC clutch. I used the AC Clutch from a 1.8L gas Cruze and can confirm they are exactly alike.
I had to replace the belt tensioner. I broke the old one open and was surprised to see it uses teflon pads as dry bearing surfaces. Mine wore through them and scored deep into the aluminum. I drilled and tapped a hole for a grease zerk on my replacement unit and pumped it full of grease. Between that and the upgraded thrust washer it is considerably smoother, quieter, and vibration free.
The alternator has a mechanism inside the pulley that I presume acts as a shock absorber. When it failed the front bearing froze. I was able to free up the main shaft and put a solid pulley from a 2007 Chrysler Pacifica Alternator in its place. That worked great and made it much quieter for the 200 miles we drove while a new alternator was being shipped. The day before the part arrived the main shaft froze again and the bad alternator managed to stall the engine and prevent it from starting. I didn't realize it was the starter for a spell because I figured the belt would fail before the engine would stall. I also broke down the day before with a bad negative battery cable. Apparently there is a recall out for those because the crimp joint wasn't done properly. Mine totally separated and pulled apart when I tugged on it. I ran new ground wires and since then I get an annoying condition because the current sensor is bypassed.
We blew past 270K miles already and its been running very well.