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

CYLINDER BLOCK
Full Diagram
CYLINDER BLOCK Diagram
#11021
Required: 1
2Z-.
CYLINDER BLOCK
Full Diagram
CYLINDER BLOCK Diagram
#11021
Required: 1
2Z-.
CYLINDER BLOCK
Full Diagram
CYLINDER BLOCK Diagram
#11021*B
Required: 1
NO.2.

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