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Alpha One Gen 2 Vent Screw Help-gctid828236

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    Alpha One Gen 2 Vent Screw Help-gctid828236

    Hey guys, quick question. So, somehow my vent screw went missing on my outdrive. So, I went to my local marine dealer and picked up a new one that says it's supposed to fit an Alpha One. But I got it home and it's way too big. The one I picked up is a genuine Mercury part, 10-79953K04 and on the package says it's 3/8"-16 UNC. Also says it fits Mercury MerCruiser I, R, MR, Alpha One, TR, TRS, and all outboards with non-magnetic gear lube fill or vent screws.

    So, my question is, are there different sizes of vent screws for Alpha One drives? I did some searching on google and found a couple with different part numbers but they were all the 3/8"-16 size. If they are, could someone please point me in the right direction so I can get the right screw? This is my first boat, so I'm still learning as I go. Thanks in advance!
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