These are genuine G.M. service replacement alternator, exactly correctly as required.. one that works with the rest of the electronics 100%...
These are GM's Remanufactured units.. or simply put.. NEW... ..and at this price they are not worth trying to find a mystery local replacement that might or might not conflict with other electronics.
Supplied outright.
>NOTE: this is the replacement for alternators with # 10480131 on the casing.
THIS IS 124 AMP.
This is a good price.. the genuine GM part # is 10463446.. check up ... again.... your got good value and good service thru www.usgmsp.com