14864AA030 Subaru VALVE-AS, Price: 185.00$, Weight: 0.957kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
14864AA030 |
VALVE-AS |
0 |
0.957 |
7-10 |
185.00$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
VALVE-AS
|
0 |
1.101
|
-
|
177.74$
|
Not Available |
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI DOHC TURBO | FORESTER SPORTS | USA | 02.2007 | 11.2007 | NORMAL SUSPENSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI DOHC TURBO | WRX | USA | 04.2005 | 06.2007 | NORMAL SUSPENSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Train | Gearbox | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | 2500CC EMPI DOHC TURBO | STI TYPE RA | USA | 01.2017 | FULLTIME 4WD | 6SP MANUAL TRANSMISSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Train | Gearbox | Diagram |
|---|---|---|---|---|---|---|---|
| ｾﾀﾞﾝ | 2.0L EMPI DOHC ﾊｲﾊﾟﾜｰﾀｰﾎﾞ | S208 NBR CHALLENGE PACK | Japan | 02.2017 | ﾌﾙﾀｲﾑ4ﾘﾝｸﾄﾞｳ | 6ｿｸ ﾏﾆﾕｱﾙ ﾄﾗﾝｽﾐﾂｼﾖﾝ | View |
Engine Air Switching Valve Assembly ✅
This air control valve is a key helper for Subaru boxer engines that use an air switching / secondary air system. It is needed to route fresh air into the exhaust stream during specific cold-start conditions, helping the catalytic converter heat up faster and cutting emissions. When everything is correct, the engine warms cleaner and the ECU sees stable airflow feedback. 🚗💨
How It Works
Inside the unit, an electrically controlled actuator opens and closes an internal passage. The ECU commands it based on coolant temperature, start-up timing, and sensor signals. When opened, air is directed through the system; when closed, it seals tightly to prevent exhaust backflow and pressure leaks. This precise switching keeps idle smooth and protects nearby components from hot gas intrusion.
What Happens If It Fails
A stuck-open or leaking valve can cause rough idle, hesitation, whistling/air leaks, or a noticeable loss of response. A stuck-closed valve may trigger emissions faults and check engine light, especially after cold starts. Long-term driving with a faulty unit can overwork the air pump, stress hoses, and may lead to catalyst efficiency issues. ⚠️
Why Replace It
- Restores correct air switching operation
- Helps prevent exhaust gas backflow
- Reduces ECU fault codes and cold-start issues
Compatibility
- Wrx/Levorg
- Impreza
- Forester
- Wrx