2021 Subaru WRX STI Parts
Compatible products listed by the retailer feed for this exact year, make, and model.
170compatible products
158currently listed in stock
18parts systems
50 additional catalog items are not shown as shopper categories.
Brakes
Electrical
Ignition & Emissions
Suspension & Steering
Heating & A/C
Filters
Belts & Hoses
Exhaust
Wheel End
Body & Exterior
Fluids
Wipers
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.