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Engine Core Plug. Plug Cylinder Block.

Part Number: 11021AA010
Supersession(s): 30499KA000; 311374300; 311374310
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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 PLUG-CYLINDER BLOCK Engine Core Plug

Fits STI (2006 - 2021)

MT, CLUTCH
Full Diagram
Diagram MT, CLUTCH for your Subaru STI
#11021
Required: 1
MT, CLUTCH
Full Diagram
Diagram MT, CLUTCH for your Subaru STI
#11021
Required: 1
'06MY-
MT, CLUTCH
Full Diagram
Diagram MT, CLUTCH for your Subaru STI
#11021
Required: 1

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