ok, that answers my question. The Mazda "gasket" is just an overpriced m18 crush washer. They're cheap at the local auto parts store as that engine oil plug gasket is an overpriced m14 crush washer . Heck, I might even have a few in the basement by accident. Looks like I'm in businessDefinitely not genuine Mazda but I'm okay with that. Not like it's a spark plug! Haha
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