125 amp altenator out of a 2001 Chevy Impala with a 3.8 engine tested and works great . 

Please confirm compatibility below before purchase

Compatible with Manufacturer's OEM #: 

10288764, 10344573, 10418889, 19134314, 3341321, 88864362

MONTE CARLO 00-05 3.8L, 125 amp (opt KG7)

MONTANA 99-01 125 amp

IMPALA 00-05 3.8L, 125 amp (opt KG7)

SILHOUETTE 99-01 125 amp

VENTURE 99-01 125 amp

TRANS SPORT 99-00 (Canada, 6-207, 3.4L), 125 amp