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99 xj discarded heater core

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Old 10-02-2018, 11:35 AM
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Default 99 xj discarded heater core

I'm looking to find an old discarded XJ heater core for my 1999 Xj. I may have a custom brass one made for Michigan winters and I need a sample. Anyone know where I can find one? Or even better see the attached PDF for Part #: 399233 the last copper/ brass one made by Thermal Solutions Manufacturing.

Last edited by jstone; 10-04-2018 at 04:16 PM. Reason: More Info
Old 10-02-2018, 12:02 PM
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Junk yard if it isn't any good they might only charge scrap price, if you get it before they scrap it.
Old 10-02-2018, 12:09 PM
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I wouldnt trust an old heater core of unknown condition from a parts yard, even if it appears to be ok. Could have a pinhole. Unless youre going to test it at the yard, just buy a new one. I would imagine its cheaper than having one custom made.
Old 10-02-2018, 12:27 PM
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Originally Posted by fb97xj1
I wouldnt trust an old heater core of unknown condition from a parts yard, even if it appears to be ok. Could have a pinhole. Unless youre going to test it at the yard, just buy a new one. I would imagine its cheaper than having one custom made.
It wouldn't matter if it has a pinhole if he's just using it for a model. However, I definitely agree that a custom one seems like extreme overkill - a new OEM style from a reputable manufacturer should last the rest of the life of the vehicle and won't cost a fortune.
Old 10-02-2018, 12:39 PM
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Originally Posted by PatHenry
It wouldn't matter if it has a pinhole if he's just using it for a model. However, I definitely agree that a custom one seems like extreme overkill - a new OEM style from a reputable manufacturer should last the rest of the life of the vehicle and won't cost a fortune.
Thats what i get for speed reading and not paying attention.
Old 10-02-2018, 12:51 PM
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Originally Posted by fb97xj1
Thats what i get for speed reading and not paying attention.
LOL - No worries. I just didn't want the O.P. to be dissuaded from grabbing a junkyard core if he's dead set on his plan to get a custom made one.
Old 10-02-2018, 05:00 PM
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Default 99 xj discarded heater core

Originally Posted by jstone
I'm looking to find an old discarded XJ heater core for my 1999 Xj. I may have a custom brass one made for Michigan winters and I need a sample. Anyone know where I can find one?
The reason behind having one made is that none of the newer aluminum ones are trustworthy; I've read story after story of people who have spent 8-10 hours taking out the dash only to find the new aluminum (China made) core sprang a leak in less than a year. A company called Brassworks was quoted to make one for about $300 which is probably similar to the dealer's Mopar price(if they still sold them). A company called Thermal Solutions Manufacturing was the last to make an actual Brass/Copper core-see attached. I need an old core for "the mold".
Old 10-02-2018, 05:18 PM
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Not to derail this thread.
But under certain circumstances radiators can be fixed. I have been meaning to go to a radiator shop and see if the same can be done with a heater core and/or an evap core.
Basically they are radiators right?
Old 10-02-2018, 06:06 PM
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Default yes they can

Originally Posted by Ralph77
Not to derail this thread.
But under certain circumstances radiators can be fixed. I have been meaning to go to a radiator shop and see if the same can be done with a heater core and/or an evap core.
Basically they are radiators right?
They can be fixed, soldered just like a radiator but with the price of a new H/C and the chance another leak will appear in the repaired one, I wouldn't waste my time or money repairing , after all you have the dash out and that's no fun.
I used to repair radiators for a semi body shop I worked for and rads for semi's were the only ones we repaired since they could cost thousands to replace, if it were a car we just recommended a new one if one spot rots there are going to be more.
Old 10-02-2018, 07:54 PM
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https://thermalsolutions.mycarparts.net

Maybe they have what you want?
Old 10-02-2018, 08:29 PM
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They do and they run around $65 and up
The unit is sold under the name Vista Pro, part #399233

http://www.thermalsolutionsmfg.com/a...parts-catalog/

Last edited by papablista; 10-02-2018 at 08:31 PM.
Old 10-02-2018, 08:43 PM
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Anything under $100 and OEM spec is a good deal in my book. Tell me if I'm way off here.
Old 10-03-2018, 07:49 AM
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Originally Posted by jstone
I'm looking to find an old discarded XJ heater core for my 1999 Xj. I may have a custom brass one made for Michigan winters and I need a sample. Anyone know where I can find one?
I may still have my old one but its from a 2000. It was not leaking when I replaced it while fixing all my AC leaks. You can have it for cost of shipping to you. I just got to find it.

Last edited by country2; 10-03-2018 at 07:54 AM.
Old 10-03-2018, 08:45 AM
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Originally Posted by jstone
The reason behind having one made is that none of the newer aluminum ones are trustworthy; I've read story after story of people who have spent 8-10 hours taking out the dash only to find the new aluminum (China made) core sprang a leak in less than a year. A company called Brassworks was quoted to make one for about $300 which is probably similar to the dealer's Mopar price(if they still sold them). A company called Thermal Solutions Manufacturing was the last to make an actual Brass/Copper core-see attached. I need an old core for "the mold".
I somehow got lucky and found a Brass thick heater core to replace the junky aluminum one I threw in. I found it at O'Reilly Auto Parts and it was actually in-stock but had next to no details listed. Went in and looked at in person, and got lucky that it was exactly what I was looking for

There are some pics in this thread;
https://www.cherokeeforum.com/f51/97...cement-219723/

I don't think I have the part number unfortunately. It was branded as a Murray though - might be possible to find a NOS one
Old 10-04-2018, 08:01 AM
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Smile 99 xj discarded heater core

Great! Start looking and I will make it worth your while! At least what Amazon charges for a new one about $32 ( See attached) plus the 2 day shipping. I just checked on Amazon and a model 2000 will fit. I'm at syrinx7@msn.com

Thanks

JAS
Attached Files
File Type: pdf
AmazonSpectra Premium 93024.pdf (283.5 KB, 100 views)


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