Buy Subaru Legacy PCV Valve. Valve Complete Control. Not For (U5). PCV Valve If your PCV system is Engine, May, Notice - OEM Subaru Part # 11810AA040

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E / #5792108.

VALVE COMPLETE-CONTROL PCV Valve

Fits Legacy (2002 - 2009)

Not For (U5). PCV Valve
If your PCV system is malfunctioning, you may notice any of several symptoms: if your tailpipe smokes or your engine idle speed is high or erratic, the PCV valve or its associated parts may need service. You may also notice that the dipstick in your Subaru won't stay in the dipstick tube, or that your oil cap hisses as the engine is running.