4.7 radiator replacement recommendations - JeepForum.com
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post #1 of 25 Old 06-03-2017, 08:29 AM Thread Starter
LelandGray
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4.7 radiator replacement recommendations

Hey guys! My '01 Limited with the 4.7L and towing package needs a new radiator. It cracked in the typical place, and what started as a minor leak is now a major leak.

I'm just looking for some brand recommendations. I'm thinking either Spectra from Rock Auto, or Mishimoto or OSC off of Amazon.

Thanks in advance!


2001 WJ Limited w/ QuadraDrive
Bilstein 5125's
jgcparts 2.5"/2" BB
JK take offs & 265/75R17's
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post #2 of 25 Old 06-03-2017, 09:35 AM
blueseasons1
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post #3 of 25 Old 06-03-2017, 09:46 AM Thread Starter
LelandGray
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I've seen his videos, and I'm leaning that way. But, if their radiators are so good why do they only have a 12 month warranty??

2001 WJ Limited w/ QuadraDrive
Bilstein 5125's
jgcparts 2.5"/2" BB
JK take offs & 265/75R17's
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post #4 of 25 Old 06-03-2017, 12:07 PM
weaselsmopar
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I purchased a Spectra from Advanced Auto and the petcock started leaking and they do a life time replacement so I got a replacement for free. That is a part I would do local so that way if you have ever any problems is a same day swap.
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post #5 of 25 Old 06-03-2017, 12:52 PM
HarryH3
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I emailed the OSC guy, to question specifically about needing a radiator with the 4.7, tow package, and hydraulic fan. His answers did not give me much confidence. Between that and the short warranty, it killed the deal for me. I ended up with a TYC radiator with lifetime warranty for around $92 from RockAuto. The part was actually made by Koyorad and just had a TYC part number on the box. It's been installed for several months now and working great.
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post #6 of 25 Old 06-03-2017, 05:39 PM
blueseasons1
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I called and spoke to him once and he seemed very knowledgeable and willing to answer my questions. I am not familiar with all the different brands and warranties. I have an OSC radiator in each of my 2 cars and they work as well as any. It cost no more than the SPECTR, which is the predominate brand here, and if the guts are really different as the video suggests , then they makes sense to me. I have no idea how real that video is. That TYC lifetime warranty is against manufacturers defects. I am not sure what that means after a bunch of years and the plastic cracks from overheating or fatigue. My guess is it doesn't mean much. Let us all know how that goes for you when the time comes. I am always looking for a better deal.
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post #7 of 25 Old 06-04-2017, 05:55 PM
gtg413i
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I suggest getting the all aluminum version from ebay. There are no weak plastic parts to break and it is a direct swap (some finagling to get it lined up). I'm very happy with mine.

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post #8 of 25 Old 06-05-2017, 06:20 AM
Double E
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GTG is right. My last radiator that went in was the all aluminum from ebay and it was awesome. 4 years on it.
Sold that WJ with it in there and I still regret not pulling it and keeping it for the replacement WJ.
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post #9 of 25 Old 06-05-2017, 07:39 AM
steve_80
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I just replaced mine with the TWC from RockAuto, so far so good.
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post #10 of 25 Old 06-05-2017, 09:42 AM
blueseasons1
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I have heard good and bad about aluminum. I heard the cheap ones weren't good. They didn't fit well . The good ones are very expensive unjustifiably high. I have never taken the time to check it out.. I have done 2 radiators in the past year. One in each vehicle and I just want to get up an running quickly. It gets testy around here if we have to share a vehicle for too long a time.
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post #11 of 25 Old 06-05-2017, 10:12 AM
Double E
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"didn't fit well" is a subjective term. For me, it fit...it's just that some holes didn't line up exactly but a little tweaking to get it perfect was all it needed. IIRC, one mounting hole at the bottom had to be drilled as it was missing altogether. Easy stuff. I've not seen (here) anyone that had an issue with its performance.


True, the Griffin solution is stupid money for a radiator.

'04 Freedom Edition HO & '04 Overland HO (previous '00 Laredo 4.7)
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post #12 of 25 Old 06-05-2017, 11:59 AM
HarryH3
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My original aluminum/plastic radiator lasted 16 years before it began leaking. I doubt that our WJ will still be around when the new one fails.

My '94 Suburban has a freakin' HUGE radiator that is aluminum, with plastic tanks. A replacement for it was nearly $400 (from the "cheap" places! ) when one of the tanks started leaking. I took the radiator in to a shop that replaced the plastic tanks for $100. That was at least 12 years ago. (The aluminum core still looked amazingly clean inside. The guy even rodded out the tubes while it was apart and then only tubes that had any gunk at all were the bottom 4 or 5. Even those were not bad. )
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post #13 of 25 Old 06-05-2017, 01:49 PM
gtg413i
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I don't think Griffin makes a 4.7l wj radiator. If you can replace
The radiator, you can easily make the all aluminum one fit.

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post #14 of 25 Old 06-05-2017, 07:56 PM
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post #15 of 25 Old 06-05-2017, 09:36 PM
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I have a 04 H.O and the OEM radiator was really bad quality, I am in my second replaced radiator I stupidly replaced with the oem one and last me 2 years now I just installed a denso from rockauto and fits perfectly. Good luck with the job, remember to buy the special PS oil.
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