The bolt that comes with 3G alternators is weaker than the bolt it replaces. I ordered a set of bolts from McMaster to remedy this. Since I had to order 50 of the buggers, I'm selling some of the rest so you don't have to pay $12 for 1 fastener.
(http://www.mcmaster.com/param/images/scs/fullythreaded.gif)
Specs:
Socket Cap Screw
Std. Head
8mm x 1.25mm pitch (fine)
12.9
35mm long
Black oxide coated
Cost: $.17 + Shipping