Reply With QuoteWhen I upgraded, the alternator used the same mounts. Didnt have to change anything.
Over the weekend, my alternator finally quit. I thought since I have to replace it, I would like to upgrade to a high output. I would appreciate any info, from anyone who has gone this route already. I have a standard mercruiser unit now, would like to be able to use the same mounts, etc.
When I upgraded, the alternator used the same mounts. Didnt have to change anything.
Where did you find yours at?
Also, what is the output, and is it USCG approved?
[ September 03, 2002, 10:21 AM: Message edited by: 1stepcloser ]
Check with your local Merc supplier. They should have a direct replacement at a higher output, and will have proper Marine Shielding.
I've been shopping for high-output marine alternators, and the cheapest that I found was The Battery Shack in Florida.
100 AMP marine alternators for around $250...Boat/US and West Marine want $500+ for high output marine alternators...
Same mounts...
Try finding a local alternator shop or auto electrical shop. They should be able to upgrade any alternator for around $100.
Slick is right, you can keep your [not coast guard approved alt wink ,but insurance approved .hehe alt] ,just replace the stator unit ,and maybe the regulator and brushes while you have it open.
[ September 03, 2002, 02:18 PM: Message edited by: spectras only ]
Well... I called my local Mercruiser dealer, they told me Mercury has a 55 amp "high-output" alternator available for my application. $234.22 special order.
Thats what I have.
HH, That's the stuff I'm talkin' about. I called Bill over there, he's quite a character! "Builds them in house for over 24 years!" I need to measure the distance between the feet, and he can ship me one right out. Seems like it will do the trick. Assured me they are Coast Gaurd approved.
Thanks!! I'll let you know what happens..
I need to clear something up.
There's no such thing as a "Coast Guard Approved" alternator, or any other engine component (except for the Flame arrestor)
They are classified as "Marine Type" components. To acheive this, all they must prove is that are shielded with proper screening to contain any sparks or explosion within the component, rather than transferring to the bilge area.
The Coast Guard does not "Approve" these, no matter what the ads or salesman may say.
Boatcop:
I need to clear something up.
There's no such thing as a "Coast Guard Approved" alternator, or any other engine component. They are classified as "Marine Type" components. You are correct Alan. It is me calling the alternator Coast Gaurd approved, not the salesman or the website. They both classify the units as "marine type". In fact, Bill at the Battery Shack in florida, told me the same thing. They install a screen over the open portion of the case thus making them "marine type". The assurance he gave me was that they are "Marine Type" alternators, not Coast Gaurd approved.
Sorry if I mislead anyone. The point I wanted to get across was they are O.K. for use in a marine environment as opposed to a standard automotive type unit.
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