Ebay alternators any good? Need cheap alt upgrade

[I Like Waffle]

I need a new alternator soon i think, so i figured id go ahead and order one before mine craps out. What i have now is an ACdelco 63 amp 3 wire alt i think. It has the battery wire, a plug, and a smaller wire that goes onto it. I guess the alt is rated 63 amps max but im not sure. I was looking at some of the ones on ebay that claim 65 amps at idle and 120 max, and theres higher ones too. Are the ebay alternators any good?

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[Andrew_as 10+ year member]

I bought a high-output off ebay... it was crap

 

[gunz4me 10+ year member]

Depends on who you get the alternator from. One of the local mechanics swears by the Load Boss alternators that Alterstart sells, but I haven't put mine in yet. I believe Iraggi has an eBay store too.