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Old 12-04-2008
EdGe_wannabe's Avatar
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HD Alternator?

I'm looking for a heavy duty alternator for a 2002 Ford Explorer Sport, 4.0L SOHC. The motor looks very similar to a 01-03 Ford Ranger 4.0.

Anyone know of a good site that sells them and if they come in black or anything? How many amps is the stock one vs the heady duty one?

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Old 12-04-2008
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Hmm.. Summitracing should have some. Jegs should have some as well. I know they make black ones and chrome ones and all that jazz. I think they have like up to 200 amp ones. I am not to sure on stock i think stock is 55 or something. Dont quote me though but i know those sites should have the alternators.
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Old 12-05-2008
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Old 12-05-2008
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Look into the Motorcraft 3G. Awesome alternator, comes in 130 and 200 Amps typically for many applications.
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Old 12-05-2008
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Location: Spring City, TN
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Try one of these. Should be able to help you with what you want.
I got one from Mr. Alternator and love it.

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Old 12-05-2008
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Originally Posted by Bumpncarstereo View Post
I bought some 1/0 ga wire from them (on the evilBay) and it was really good stuff, quick shipping. Their alternators look a little pricey though, still probably cheaper than summit or jegs.

Not too sure about newer Rangers/Explorers, but my 96 OEM alt. was 95 amps. Same year Explorer had an optional 130 amp alt.

I upgraded to a 200A alt a while ago. I believe their evilBay user name was AlterStarts or something like that.
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Old 04-17-2009
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Anybody have any clearance issues with upgrading to a heavy duty (3G) alternator?
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