Carquest Alternator: Remanufactured, 110 Amps, 11226A
In stock
$249.99
Listed as compatible with this vehicle by the retailer feed.
Check price2021 Subaru WRX STI Alternators
1 products listed as compatible with this vehicle by the retailer feed.
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.