confused over alternator size

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Posted by Peter ( on 12:20:04 10/12/11

In Reply to: Re: funny story...and a good link posted by OnBelay

I am ready to purchase the replacement but I now see that there is a 130amp version and a 105 amp version. I remember some old threads from this board that might have been related to the prior generation (pre 2000) which mentioned pully sizes and belt length issues when upgrading to the higher amp unit. Does any of this apply to my 2000 Sub (5.3L)? I see that the plug is located in a different location on the 2 units but I can't tell from pictures if the plug is different.

Should I purchase what looks like the identical unit (the 105amp I think) or try the bigger one. I am really hoping for a direct fit.

- Peter

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