Buy 2006 Subaru STI Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug. BLOCK, Casting, Coolant - OEM Subaru Part # 11024AA132 (11024AA131)

Plug Main GALLERY. 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-MAIN GALLERY Engine Core Plug

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