What alternator to upgrade to

[JONBLARC7]

I have a supra with a indmar assault 325. My altenator is out and I need to replace it. Anybody know the part number for a direct replacement. It's has the 70 amp one now and I would like to go up to the 90 or bigger with kith changing anything else. I think the 90 is a plug and play but can't find the part number. attachment.jpg

[JONBLARC7]

attachment1.jpgone more

[JONBLARC7]

Local dealership told me I would have to swap out all the pulleys to upgrade to the 90. Can anybody confirm this ????

and

If you look at the one on the bottom of this page http://www.skidim.com/products.asp?dept=1174 I think it will work for my boat but I'm not sure. If I could find the part number for the kit I could get it for a discount from my father inlaw but the website doesn't give a lot of information.

its a 2006 24v sunsport

[wotan2525]

I believe that a 11si would be the 90 or 95amp version, but all of them that I see have the 6-groove belt pulley on them. Shouldn't be that hard to pull off your existing pulley and install it on the new alt.

I'm 90% sure that the 10si mounting feet are the same and that the case is only a HAIR larger. They come in a 160a version from dbelectrical that isn't much more and mine has worked great for 8 years now (knock on wood.)

[leetudor]

Engine serial number?

[JONBLARC7]

image.jpg

Here you go

[JONBLARC7]

I think the 11si has a different plug in the back of it. My alternator has a red wire and black wire and a small plug that is plugged straight in the back of the alternator. Not the top like the the picture of the 11si

[leetudor]

Indmar part number is 575010

[JONBLARC7]

Thanks that's the part number to the 70 amp alternator right?

Can you find the part for the 340 engine that comes with the 90 amp alternator??

[leetudor]

575014 ALTERNATOR 95 AMP DELCO. Fits Premium GM engines and current Ford

575015 ALTERNATOR 95AMP DELCO 8.1L