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  • 14471AA143 Subaru VLV AY-AIR BYPASS

14471AA143 Subaru VLV AY-AIR BYPASS, Price: 106.52$, Weight: 0.609kg

    • Make Number Name Availability Weight, kg Ship in, Days Price

    Subaru

    14471AA143

    VLV AY-AIR BYPASS

    0.609

    7-10

    106.52$
    Not Available

    Originals

    Make Number Name Availability Weight, kg Processing, days Price  
    Subaru
    14471AA143 
    VLV AY-AIR BYPASS
    		2
    0.7
     Dispatch 24h
    122.81$
     
    Subaru
    14471AA143 
    VLV AY-AIR BYPASS
    		2
    0.7
    2-3
    102.34$
     

    Substitutions

    Make Number Name Availability Weight, kg Processing, days Price  
    Subaru
    14471AA140 
    VLV AY-AIR BYPASS
    		0
    0.457
    -
    142.34$
    		 Not Available
    Subaru
    14471AA141 
    VLV AY-AIR BYPASS
    		0
    0.454
    -
    142.34$
    		 Not Available
    Subaru
    14471AA142 
    VLV AY-AIR BYPASS
    		0
    0.453
    -
    142.34$
    		 Not Available

    Compatibility

    BodyEngineVehicle GradeMarketModel Year FromModel Year ToSuspensionDiagram
    WAGON2500CC EMPI DOHC TURBOFORESTER SPORTSUSA02.200711.2007NORMAL SUSPENSION View
    BodyEngineVehicle GradeMarketModel Year FromModel Year ToSuspensionDiagram
    WAGON2500CC EMPI DOHC TURBOWRXUSA04.200506.2007NORMAL SUSPENSION View
    BodyEngineVehicle GradeMarketModel Year FromTrainGearboxDiagram
    SEDAN2500CC EMPI DOHC TURBOSTI TYPE RAUSA01.2017FULLTIME 4WD6SP MANUAL TRANSMISSION View
    BodyEngineVehicle GradeMarketModel Year FromTrainGearboxDiagram
    ο½ΎοΎ€οΎžοΎ2.0L EMPI DOHC οΎŠο½²οΎŠοΎŸοΎœο½°οΎ€ο½°οΎŽοΎžS208 NBR CHALLENGE PACKJapan02.2017οΎŒοΎ™οΎ€ο½²οΎ‘4οΎ˜οΎο½ΈοΎ„οΎžο½³6ο½Ώο½Έ ﾏﾆﾕｱﾙ ﾄﾗﾝｽﾐﾂｼﾖﾝ View

    Turbo Air Bypass Valve Assembly πŸ”§

    This OE-style air bypass unit keeps your turbocharged Subaru smooth, fast, and protected. It manages boost when you lift off the throttle, preventing pressure spikes and helping the turbo stay in its efficiency zone. Expect cleaner shifts, stable idle, and longer turbo life. πŸŒ€

    Why you need it

    When the throttle closes, compressed air has nowhere to go. This valve opens a safe path, redirecting pressure back to the intake. That stops compressor surge, reduces lag, lowers stress on bearings, and keeps drivability crisp.

    How it works

    A spring-loaded piston/diaphragm is controlled by manifold vacuum and, on many models, an ECU-driven solenoid. Under boost the valve stays shut for power. On lift-off, vacuum pulls it open, bleeding excess charge air to maintain smooth airflow and stable fueling.

    If it fails ⚠️

    Stuck closed: turbo flutter, surge, slow spool, potential compressor damage. Stuck open or leaking: low boost, hiss under load, rough idle, poor fuel economy, occasional stalling and check engine light. Fixing it restores response and protects the turbo. βœ…

    Install tips

    Direct-fit. Inspect hoses, clamps, and vacuum line; replace brittle parts. Observe flow arrow, torque evenly, and use a fresh gasket/O-ring. Pressure or smoke-test after install. πŸš—

    Compatibility

    • Wrx/Levorg
    • Impreza
    • Forester
    • Wrx