harmonic balancer for a 4.2 258 Carb? - Jeep Wrangler Forum

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Old 09-05-2010, 10:47 PM   #1
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harmonic balancer for a 4.2 258 Carb?

I've done some searching but I couldn't find anything definitive.
I have an '89 YJ Laredo with a 4.2 258ci carbd. My harmonic balancer was about to fall off today so I took it apart and I got a Dorman 594-018 from a local parts store. This was the wrong part, the other pulleys didn't line up with it.

I can't find any Chrysler part numbers or any aftermarket harmonic balancer/crankshaft pulley/vibration damper for this model year YJ. All I see are "sleeve repair kits". This model has a serp belt.

All help is greatly apprecated on my DD.

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Old 09-06-2010, 06:47 AM   #2
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I have an original 89 4.2 5spd. w/air, non-CA and don't have a serpentine belt. Maybe yours was "updated" at some point. Others chime in, is it possible a late 89 has a serp. belt? I've never seen one.

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Old 09-06-2010, 10:24 AM   #3
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Quote:
Originally Posted by kik View Post
I have an original 89 4.2 5spd. w/air, non-CA and don't have a serpentine belt. Maybe yours was "updated" at some point. Others chime in, is it possible a late 89 has a serp. belt? I've never seen one.
Thanks Kik. The only thing I can find around my engine bay is a recall notice for "emissions". The sticker is pretty beat up but I can make out that the recall was performed.

If I go to some of these "Dealer Parts for Less" websites, I can search through their catalog of parts and the part comes up for my specific situation. It won't, however, give me a J number to cross reference. The idiots at Autozone can't find the correct part.
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Old 09-06-2010, 11:13 AM   #4
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Originally Posted by carlyj View Post
Thanks Kik. The only thing I can find around my engine bay is a recall notice for "emissions". The sticker is pretty beat up but I can make out that the recall was performed.

If I go to some of these "Dealer Parts for Less" websites, I can search through their catalog of parts and the part comes up for my specific situation. It won't, however, give me a J number to cross reference. The idiots at Autozone can't find the correct part.
Just thought I'd update everyone: Got in contact with a local parts store and they were able to find the correct J # for this part: J3237723. After searching online I found the same number on a few forums. This part is not made aftermarket and must be ordered through a Jeep Dealer or, Morris4x4.
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Old 06-04-2015, 08:57 AM   #5
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Balancer

I appreciate the info. I just recently had the same issue. It was designed for a serpentine belt but looked like it was built backwards and had to be spaced 3/8" in order to get the pulley to align. My thought was that perhaps the motor had been changed to a different year.
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Old 06-05-2015, 07:01 PM   #6
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I have a balencer off of a 4.2 carb
Motor for serpentine belt if u want to pay
Shipping u can have it

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