This link below is the best diagram I found so far.
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I expected an installation information picture (Toyota 28100-31050 STARTER REPAIR KIT)
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gasket is the wrong shape-you can see that in the ebay picture, broke it while stretching it into place, but the old one is still usable. The other parts are a good match.SidneyBek posted some references here on A.A.T.T.
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show up on Google in a different forum for some reason.Just posting this for the next guy that wants to save the $500 I spent at the dealer.