GM gasket makers

[x MadMAX DIESEL]

What are you guys using for everything? There's an rtv sealant p/n 12346286 which has a teflon base which I'm thinking would be best, or there's the grey sealant also p/n 12378521. Not sure on the grey price but the black rtv is 16.29

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[LBZrcks]

Use the grey sealant. It also comes in a little caulking tube.

 

[x MadMAX DIESEL]

I bought the rtv in the caulk tube, that's all he thought they had at my GM, maybe I should come in with a part number so he can look it up in the computer

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[LBZrcks]

I bought the rtv in the caulk tube, that's all he thought they had at my GM, maybe I should come in with a part number so he can look it up in the computer

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The second part #12378521 you posted is what I've used before.