Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug.

Part Number: 11021AA170
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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 Legacy, Outback, Tribeca

This product fits 33 vehicle variants.
Subaru: 3 models, 33 variants between 2001 and 2009.
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NSK-Parts

11901 Midlothian Tpke, Midlothian, VA, 23113

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