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Subaru WRX : Engine and Cooling Products
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Engine Core Plug. Plug Cylinder Block.

Part Number: 11021AA112
Supersession(s): 11021AA110; 11021AA111
View 11021AA112 Engine Core Plug. Plug Cylinder Block. Full-Sized Product Image
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NO.2. 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 WRX (2002 - 2017)

CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru WRX
#11021*B
Required: 1
SYSTEM
OIL PAN
Full Diagram
Diagram OIL PAN for your Subaru WRX
#11021
Required: 1

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