11815AC390 Subaru HOSE ASSY-PCV, Price: 10.80$, Weight: 1kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
11815AC390 |
HOSE ASSY-PCV |
0 |
1 |
7-10 |
10.80$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
HOSE ASSY-PCV
|
0 |
1.15
|
-
|
11.42$
|
Not Available |
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Train | Diagram |
|---|---|---|---|---|---|---|---|
| ﾜｺﾞﾝ | 2.0L EMPI DOHC NA | XS LIMITED | Japan | 07.2010 | 06.2012 | ﾌﾙﾀｲﾑ4ﾘﾝｸﾄﾞｳ | View |
Crankcase Ventilation Hose Assembly for Subaru Engines
This engine breather hose assembly is a key link in the PCV (positive crankcase ventilation) system. It is needed to route oily blow-by vapors from the crankcase back into the intake stream, helping the engine stay clean, efficient, and emissions-compliant ✅.
How It Works
During normal driving, pressure builds inside the crankcase. This hose set carries vapors through the ventilation circuit where they are metered and pulled into the intake by engine vacuum. The molded shape and reinforced rubber keep correct flow even when the engine moves and heats up 🔧.
What Happens If It Fails
If the hose cracks, collapses, or leaks, the engine can draw unmetered air, causing rough idle, lean mixture, and poor fuel economy. Oil mist may escape, leading to oily engine bays, burnt-oil smell, and sludge buildup over time. In severe cases, crankcase pressure rises and can push oil past seals, creating leaks and smoke ⚠️.
Best practice: replace when brittle, soft, or oil-soaked to restore proper crankcase breathing and stable idle.