12667039 - General Motors Engine Core Plug | Hadwin White Wholesale Parts, Conway SC

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Engine Core Plug

Part Number: 12667039
Supersession(s): 12557520

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Plug.
Location-Engine Block. 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. Engine Black Oil GALLON. Engine Core. Engine Expansion. Engine Freeze. Engine Welch.

Engine Expansion Plug

This product fits 822 vehicle variants.
Buick: 3 models, 121 variants between 2004 and 2024.
Cadillac: 5 models, 296 variants between 2004 and 2019.
Chevrolet: 10 models, 279 variants between 2005 and 2023.
GMC: 3 models, 126 variants between 2007 and 2017.