Duct Air Intake. Duct INTER Cooler. Flange Bolt. Flange Nut. Hose Clamp.

Part Number: 21830AA031
Supersession(s): 21820AA204

Valve Air Bypass.

DUCT-INTER COOLER Intercooler Pipe

Fits Baja, Forester, STI, WRX

Turbocharger Intercooler Tube
If your 2025 Subaru is equipped with a turbo and you've noticed a reduction in acceleration or a hissing on acceleration accompanying your check engine light, your intercooler or its piping/tubes may need to be repaired or replaced.

Diagram INTER COOLER for your 2025 Subaru Forester 2.5L 4AT X Premium
#21830*A
Required: 1
AIR DUCT '05MY-
Diagram INTER COOLER for your 2025 Subaru Forester 2.5L 4AT X Premium
#21830*A
Required: 1
DUCT '04MY-
Diagram INTER COOLER for your 2025 Subaru Forester 2.5L 4AT X Premium
#21830*A
Required: 1
SYSTEM

Lithia Subaru of Oregon City

1404 Main Street, Oregon City, OR, 97045

Policies & Information

Accepted Payments
Visa MasterCard Discover American Express PayPal