Carquest Alternator: Remanufactured, 220 Amps, 11818A
In stock
$511.99
Listed as compatible with this vehicle by the retailer feed.
Check price2021 Cadillac CT5 Alternators
2 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Carquest Alternator: Remanufactured, 160 Amps, 10393A
In stock
$514.99
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.