Re: 9.9/15HP T-stat gasket PN? Not on M.E.

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March 22, 2018 at 11:11 pm #72879
retiredoz
Participant

    My ’75 Johnson parts book refers to 318917, but the sketch looks like the one on the right in your picture. The one in the middle appears to be 329920, (originally 321387), used in later models (I looked at ’85).