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post #1 of 18 Old 01-15-2009, 08:54 PM Thread Starter
jeepwcrazy
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alternator

My alternator isn't charging like it should and I'm sure its about to die (original alt w/ about 110,000 miles). Is there a suitable upgrade for the 2.5 SE or should I just stick with the OE alt.?

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post #2 of 18 Old 01-15-2009, 10:27 PM
badoosh27
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my stock one runs 130 amps or something like that, so see if they have one of those at the store that would work for your model. I think they are all interchangeable, but i'm not positive on that.

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post #3 of 18 Old 01-15-2009, 10:38 PM
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if you haven't had a problem with it and its bad after 100K + miles, I'd say the OE one will do just fine

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post #4 of 18 Old 01-15-2009, 11:17 PM Thread Starter
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Quote:
Originally Posted by Bmel17 View Post
if you haven't had a problem with it and its bad after 100K + miles, I'd say the OE one will do just fine
That's what I was thinking but then I got to thinking and I'm wanting to add a winch and possible some rock lights. So then I started to think about my upgrading. Does anyone know if the newer TJ alt will bolt right on? I just looked up on RockAuto and it's showing the 117amp in the 2001 TJ 2.5 which is better than the 90amp that I have now, does anyone know if it will just bolt into the 1997? OK and then a long shot but the 2003 has a 136amp on their 2.4, do you think that would work? I may just have to go down to Autozone and lay them side by side and check it out.
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post #5 of 18 Old 01-15-2009, 11:56 PM
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The 07 durango 4.7 alternator is 160a, and is supposed to interchange!

I would set eyes on one to be sure. You will need to upgrade the size of wire between the battery & alternator if you get a higher output unit.

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post #6 of 18 Old 01-16-2009, 10:33 AM Thread Starter
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Cool, I'll see if I can set them side by side for a comparison. Do you know what guage I need to run for this? If not, I can stop by the Dodge dealership and ask them what guage is run on the durango. Thanks.

edit: Rockauto doesn't even show an alternator for sale on the 2007 durango. Not sure if the vehicle is too new for them or what, hopefully Autozone will be able to help.

Last edited by jeepwcrazy; 01-16-2009 at 10:47 AM.
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post #7 of 18 Old 01-16-2009, 11:39 AM
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2GA wire is capable of 180A,, and 4GA is capable of 150
I have seen both, but would personally go with the 2GA to be safe.

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post #8 of 18 Old 01-16-2009, 11:57 AM
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ive got 30,000 miles on my '02 2.5l. and have had no problems running lights, my winch, stereo with sub and amp.,electric cooling fan ect. with the stock alt.
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post #9 of 18 Old 01-16-2009, 12:01 PM
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It's not that the stock alt is a problem. It's a time issue.When you use a winch, and deplpete battery reserve, it takes time to recharge. If the stock alt is 90A, and you put a 160A on it, you will drop the recharge time by roughly 1/3.

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post #10 of 18 Old 01-16-2009, 12:26 PM Thread Starter
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Quote:
Originally Posted by Hilltop View Post
ive got 30,000 miles on my '02 2.5l. and have had no problems running lights, my winch, stereo with sub and amp.,electric cooling fan ect. with the stock alt.
You have a higher amp alt than I do. Mine is only 90 and yours, I believe, is 115 or so. I was just thinking that since my alt is going to need changed anyway, why not upgrade to something that will allow the system to run without putting as much strain on it. Thanks everyone.
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post #11 of 18 Old 01-16-2009, 12:38 PM
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Here's all the info you need:

http://4bangerjp.com/forums/index.php?topic=400.0

about to do the swap myself when I found a 136A alternator in a Grand Cherokee at the junkyard. Paid $19 for it but still gotta get it tested at Advanced Auto before I put it in.
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post #12 of 18 Old 01-16-2009, 02:45 PM
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Quote:
Originally Posted by cwildmann View Post
Here's all the info you need:

http://4bangerjp.com/forums/index.php?topic=400.0

about to do the swap myself when I found a 136A alternator in a Grand Cherokee at the junkyard. Paid $19 for it but still gotta get it tested at Advanced Auto before I put it in.
Need to login. Can you copy/paste maybe?

07 Durango Alternator.

Napa:

Item#: NAE13913



Attributes:
Amp Rating:160 Amp
Type of Pulley:6 Groove Serpentine
Type of Regulator:External
Dimensions:183 x 175 x 173 mm

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post #13 of 18 Old 01-16-2009, 03:42 PM
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Denso: 1991 to Present

90 amp alternator:

1997-1998 Dodge Dakota 2.5L - (PN:56005685AC Reman:R6005685AC)
1991-1998 Jeep Cherokee - (PN:56005685AB Reman:R6005685AB)
1991-1992 Jeep Comanche - (PN:56005685AB Reman:R6005685AB)
1992-1998 Jeep Grand Cherokee - (PN:56005685AB Reman:R6005685AB)
1991-2000 Jeep Wrangler 2.5L - (PN:56005685AC Reman:R6005685AC)
1991-2000 Jeep Wrangler 2.4L 4.0L - (PN:56005684AB Reman:R6005684AB)
1999-2000 Jeep Cherokee 2.5L 4.0L - (PN:56041822AA Reman:R6041822AA)

117 amp alternator:

1997-1998 Dodge Dakota 2.5L - (PN:56005685 Reman:R6005685)
1999-2001 Dodge Ram Van 3.9L, 5.2L, 5.9L - (PN:56027912AB Reman:R6027912AB)
1999-2001 Dodge Dakota 3.9L, 5.2L, 5.9L - (PN:56027912AB Reman:R6027912AB)
1999-2001 Dodge Ram Truck 3.9L, 5.2L, 5.9L - (PN:56027912AB Reman:R6027912AB)
1999-2001 Dodge Durango 3.9L, 5.2L, 5.9L - (PN:56027912AB Reman:R6027912AB)
1999-2000 Dodge Dakota 2.5L - (PN:56005685(AC) Reman:R6005685(AC))
1999-2000 Jeep Wrangler 2.5L - (PN:56005685AC Reman:R6005685AC)
1999-2000 Jeep Wrangler 2.5L, 4.0L - (PN:56005684AB Reman:R6005684AB)
2000 Jeep Wrangler 4.0L - (PN:56041685AA Reman:R6041685AA)
1991-1998 Jeep Cherokee 2.5l, 4.0L - (PN:56005685AB Reman:R6005685AB)
1999-2000 Jeep Cherokee 2.5L, 4.0L - (PN:56041822AA Reman:R6041822AA)
1991-1992 Jeep Comanche - (PN:56005685AB Reman:R6005685AB)
1993-1998 Jeep Grand Cherokee 4.0L - (PN:56005685 Reman:R6005685)
2000 Jeep Grand Cherokee 4.7L - (PN:56041324AC Reman:R6041324AC)

136 amp alternator*:

1996-1998 Dodge B.Series Van - (PN:56027913 Reman:R6027913)
1996-1998 Dodge Dakota 3.9L, 4.7L, 5.9L - (PN:56027913 Reman:R6027913)
1998-2000 Dodge Dakota - (PN:56027913AB Reman:R6027913AC)
2003-2005 Dodge Dakota 3.9L, 4.7L, 5.9L - (PN:56041693AC Reman:R6041693AC)
1998-1999 Dodge Durango - (PN:56027913 Reman:R6027913)
1996-1998 Dodge Ram Pickup - (PN:56027913 Reman:R6027913)
1998-2000 Dodge Ram Pickup - (PN:56027913AB Reman:R6027913AC)
1991-1998 Jeep Grand Cherokee - (PN:56005685 Reman:R6005685)
2000 Jeep Grand Cherokee 4.7L - (PN:56041324AC Reman:R6041324AC)
2001-2005 Jeep Grand Cherokee 3.9L, 4.7L, 5.9L - (PN:56041693AC Reman:R6041693AC)

150 amp alternator*:

1993-1998 Jeep Grand Cherokee - (PN:56041394AA Reman:R6041394AA)

160 amp alternator*:

2001-2005 Dodge Dakota - (PN:56029914AA Reman:R6029914AA)
2001-2005 Dodge B.Series Van - (PN:56029914AA Reman:R6029914AA)
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post #14 of 18 Old 01-16-2009, 03:44 PM
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The * means that you must swap the plastic insulator on the Positive terminal with the one from your TJ.
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post #15 of 18 Old 01-16-2009, 03:46 PM
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Sweet. Well done.

I'll be going out to get one tonight for my 4.0.

-Ryan
Google Voice (or the number Grape calls when drunk): 845-476-8182

Quote:
Originally Posted by Enzo Ferrari
"The Jeep is Americas only real sports car!"
Quote:
Originally Posted by MrBlaine
"Jeeps do not make jeepers, jeepers make Jeeps."

Last edited by Divinitous; 01-16-2009 at 04:30 PM.
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