Yes it is interchangeable, The Monte SS is different from the other models tho, LS, LS Sport, LS Competition so the LS models are interchangeable.
Thanks so much
Can I replace a 2003 monte carlo head gasket with a 2001 matte carlo head gasket??
Your talking a new gasket I hope, and I don't know off the top of my head if there the same, check with a parts store.
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