Engine Core Plug. Plug Cylinder Block.

Part Number: 11021AA121
Supersession(s): 11021AA120
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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 STI (2004 - 2007)

This product fits 610 vehicle variants.
Subaru: 8 models, 610 variants between 1990 and 2014.
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Ruges Subaru

6444 Montgomery St, Rhinebeck, NY , 12572

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