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Subaru STI : 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 STI (2004 - 2017)

CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021
Required: 1
2Z- FOR BLOCK HEAT.
CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021
Required: 1
2Z- FOR BLOCK HEAT.
CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021
Required: 1
2Z-.
CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021
Required: 1
2Z-.
CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021*A
Required: 1
NO.1.
CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021*B
Required: 1
BODY '00MY-'04MY
NO.2.
CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021*B
Required: 1
BODY
CYLINDER BLOCK
Full Diagram
Diagram CYLINDER BLOCK for your Subaru STI
#11021*B
Required: 1
SYSTEM '13MY-
OIL PAN
Full Diagram
Diagram OIL PAN for your Subaru STI
#11021
Required: 1
OIL PAN
Full Diagram
Diagram OIL PAN for your Subaru STI
#11021
Required: 1

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