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1980-1991 Alternators
> 150/100 amp Powermaster Black Powdercoated Finish Alternator 1978-1991
150/100 amp Powermaster Black Powdercoated Finish Alternator 1978-1991
150/100 amp Powermaster Black Powdercoated Finish Alternator 1978-1991
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$160.00
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Part Number:
57294
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Powermaster Motorsports is the leader in high performance OEM replacement alternators for the automotive industry.
Modern accessories can take their toll on a vehicle's electrical system. Powermaster offers High Amperage Alternators to give your electrical system the extra boost it needs. If you have added lights, winches, or other power hungry accessories, Powermaster offers easy to install high amp upgrades.
Note that the alternator comes with a single-groove pulley. If you have a double-groove pulley, you will need to change them over (they are a direct swap). Also, if you have an older model vehicle with an external voltage regulator, you can use this alternator with some minor wiring changes under the hood. This will allow you to remove the external regulator and associated wiring too!
These are rebuilt here in the USA!
Q:
So is this a 150 amp or a 100 amp? just wanting to clarify.
Asked by:
Mike McFadden
- 7/15/2019
A:
on alternators that list two amperages, the lower number is the output at idle, and the higher number is the output at maximum rpm. So this alternator in question will put out 100 amps at idle, and 150 amps maximum.
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Answer provided by:
Ryan (7/16/2019)
Q:
Hi would this be a good choice for running a holley sniper on a 360 with ac, stereo, spot lights, no winch, charging a optima 815 cca battery. is this the next one up from the 70/100? thanks
Asked by:
DARREN LILLY
- 1/9/2020
A:
Yes, this would be a good choice for that. There is also a step down (depending on the year of your rig) that is 80/140.
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Answer provided by:
Ryan (1/13/2020)
Q:
I would like to see the back side of the alternator?. Can you please send me a picture of it?
Asked by:
Jarvis Gray
- 7/9/2020
A:
The pictures we have on the site are the only ones currently available.
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Answer provided by:
Ryan (7/14/2020)
Fits:
1978-1983 Wagoneer
Fits:
1984-1991 Grand Wagoneer
Fits:
1978-1983 Cherokee
Fits:
1978-1988 J-10 / J-20
Each alternator is tested before shipping by Powermaster
150 / 100 Amp
Powdercoated Black
Upper Bolt Hole is 10mm ID
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