2003 Subaru STI Engine Core Plug. Engine Expansion Plug - 11021AA160 | Royal Moore Subaru, Hillsboro OR

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Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug.
This Fits Your 2003 Subaru STI

Part Number: 11021AA160

View 11021AA160 Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug. Full-Sized Product Image

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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 Engine Core Plug

Fits Outback

CYLINDER BLOCK

Full Diagram

Diagram CYLINDER BLOCK for your 2003 Subaru STI

#11021

Required: 6

BODY '00MY-'04MY

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Royal Moore Subaru Parts

1326 SE Enterprise Circle, Hillsboro, OR, 97123

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