Replacing Alternator in 1998 XJ 4.0 i6

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03-30-2019, 08:56 AM

Russ Blazer

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Year: 1999

Model: Cherokee

Engine: 4.0 I6

Replacing Alternator in 1998 XJ 4.0 i6

Alternator went bad in 1998 XJ 4.0....

Looking at parts from NAPA an wondering if more is better. 25$ Price difference. Choices are:

Alternator - Remanufactured - Standard
PART # :RAY 2138613PRODUCT LINE :NAPA Power Premium PlusIMPORTANT INFO :w/ 90 Amp Alternator;w/ 6 Groove Pulley; w/ Threaded Post Termina...ORAlternator - Remanufactured - StandardPART # :RAY 2138632PRODUCT LINE :NAPA Power Premium PlusIMPORTANT INFO :w/ 136 Amp Alternator;w/ 6 Groove Pulley

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03-30-2019, 09:08 AM

Scott91370

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Location: Burleson, Texas

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Year: 1993

Model: Cherokee (XJ)

Engine: 4.0L

Links are not working for me.

But if they are both lifetime warranty I would always go with the more powerful. Will you need it? Maybe not, depends on what options your vehicle came with.

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03-30-2019, 12:32 PM

Ralph77

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Year: 2000

Model: Cherokee (XJ)

I say go for the Napa one. Thing that is confusing me is that it looks like this fits a Grand Cherokee too. I always thought a little grinding of the brackets was necessary to put a ZJ one in an XJ. If the listing is correct that is pretty cool. 136 amps. That would not be a straight bolt in for my '00. They changed something for '99 and up. Mine uses a different one. 120 amps. But I did buy the Napa one and it has been behaving itself for at least a year now.

Little tip. Just take out the damn battery tray. IMO worth the extra 10 minutes.