This Bearing and Seal Housing PN 376074 and its replacement PN 382796 was used on what must be millions of OMC motors from at least 1954 (and possibly as far back as 1950) up into the 1970’s. By placing an ad on the classified section of this site, you might get what you need.
Regarding the misfire of OMC outboards with the universal magneto at lower RPM’s, this is not “normal”. As seakaye12 points out, there could be numerous reasons for that within the ignition system. This is a classic symptom of dirty/oxidized points and may not show up when using neon spark tester.
Improvise-Adapt-Overcome
