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Agreed. Dave58 needs to go to the 1984 OMC 50HP Page and enter his model# to ensure the correct seals have been ordered. If the seals he purchased match up with part# on the diagram they should be good. If he has the correct parts and they still don't match his gearcase, then it sounds like some previous owner has swapped on a gearcase from a different model.2nd, in order to buy the correct parts for an OMC motor you need to look them up by model number. Not by the assumed year.