Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug.

    Part Number: 11021AA170

    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 Legacy, Outback, Tribeca

    Diagram CYLINDER BLOCK for your 2015 Subaru Impreza
    #11021A
    Required: 3
    SYSTEM '00MY-'04MY
    Diagram CYLINDER BLOCK for your 2015 Subaru Impreza
    #11021A
    Required: 3
    SYSTEM
    Diagram CYLINDER BLOCK for your 2015 Subaru Impreza
    #11021A
    Required: 3
    SYSTEM

    MSRP

    $ 15.27
    MSRP $ 15.27
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