Hello. This is a great site! I have an old Johnson Seahorse 9.5. It seems to be in good shape and we got it running well last fall. I'm trying to figure out what year it is. The model number is MO-11G (possibly MQ-11G) and the serial number is C443484.<br /><br />I'd like to find a new Gearcase head for it, or at a minimum, a new shaft seal and the right size "O"-ring. The seal seems to have the numbers 303 345 C/R. It;s made of brass and rubber.<br /><br />Any help in dating and sourcing these parts would be SOOOO appreciated. Thanks<br /><br />Pat.