will a 1987 alternator, fit on a 2002

potatoe

Petty Officer 3rd Class
Joined
May 27, 2010
Messages
77
i have a mercruiser 3.0 2002 with electronic ignition, will a 1987 3.0 mercruiser alternator from a points ignition work on my set-up? they both fit, but the older one is much larger. thanks
 

6meter

Chief Petty Officer
Joined
May 15, 2010
Messages
525
Re: will a 1987 alternator, fit on a 2002

Same connections? if so, I can't remember anything thats different. Check the amp output on both. You don't want to go smaller. Make sure it's a marine style.
 

potatoe

Petty Officer 3rd Class
Joined
May 27, 2010
Messages
77
Re: will a 1987 alternator, fit on a 2002

is there a regulator in the older ones, and the new ones have it on the engine somwhere? or do i not know what im talking about. somone told me that might be an issue. thats why the size difference
 
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