GM Genuine Parts Alternator: New, 120 Amps, 20911162
In stock
$269.99
Listed as compatible with this vehicle by the retailer feed.
Check price2010 Chevrolet Impala Alternators
5 products listed as compatible with this vehicle by the retailer feed.
Carquest Alternator: New, 125 Amps, 11640AN
In stock
$451.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Bosch Alternator: New, 120 Amps, AL8807N
In stock
$475.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Carquest Alternator: Remanufactured, 125 Amps, 11640A
In stock
$279.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Carquest Alternator: Remanufactured, 125 Amps, 11185A
In stock
$279.99
Listed as compatible with this vehicle by the retailer feed.
Check price
This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.