Engine Core Plug. Plug Cylinder Block.

    Part Number: 11021AA121
    Supersession(s): 11021AA120

    2Z. NO.2. NO.3. Plug that prevents the Engine Block or Cylinder Head from cracking in Case of freezing Coolant. Also used to Plug the casting holes from production.

    PLUG-CYLINDER BLOCK Engine Core Plug

    Fits Baja, Forester, Impreza, Legacy, Outback, STI, SVX, WRX

    MSRP

    $ 4.35
    MSRP $ 4.35
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