Marine: Boating, Sailing, PWC, GPS and Navigation - Cab anyone confirm a Merc year and also tell me what years lower end fits?

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HotRod53F100
09-10-09, 04:16 PM
S/N 4803973 Mercury 500 Thunderbolt, 50 hp, 4 cylinder. I think it is a 1977 from what I saw.

I will need a lower end or lower end case, anyone know what other years fit? Does it have to be 50HP? Does it have to be 4 cylinder?


Rick Johnston
09-11-09, 05:22 AM
You can try this page (http://www.marineparts.com/partspages/techhelp/TECH15.HTM) but I didn't see the serial number. Any Merc dealer should be able to pull up the serial number and answer your question.