2018 New Radiator or old model

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This is what I have in my Oct 2020 build

5038-A32-100102
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PA66+PA612-GF30
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112,895 miles
I read somewhere it was changed mid 2018 so your 5/2018 maybe amongst the first ones to get the new model.

The label with Japan on it and the other number on the plastic part does not seem to reveal much nor does google find any reference when searching, helpful of Mr T...
 
Agreed. Though it appears to be in excellent shape.. @Phantomx33 you're probably good for over 100k miles.

My question is where they found a new old stock toyota radiator.. I believe those haven't been produced since mid 2018.
I have no idea. Carfax says it hit a deer around Nov '23 (maybe that's when it was replaced with the old design, pure conjecture) and was sold to a dealership around Sep '24. I bought it a few weeks ago. Radiator is immaculate so hopefully it'll last for another 100k miles like you said.
 
I bought a 2016 last year when it had 124k miles. Pretty solid maintence history, with Carfax reporting that the coolant was flushed and changed at 80,696 but no comments about the radiator being replaced. The cruiser now has 132k miles on it and I was wondering if you guys could help me identify if I have the old version or the new version. If I have the old version, wanted to know what I should look out for, as mine looks to be in decent shape. Thanks!

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I bought a 2016 last year when it had 124k miles. Pretty solid maintence history, with Carfax reporting that the coolant was flushed and changed at 80,696 but no comments about the radiator being replaced. The cruiser now has 132k miles on it and I was wondering if you guys could help me identify if I have the old version or the new version. If I have the old version, wanted to know what I should look out for, as mine looks to be in decent shape. Thanks!

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Looks like a 2016. So the older model but looks in good shape.
 
Looks like a 2016. So the older model but looks in good shape.
Thank you for taking a look. Do you think I should do the replacement now, regardless? Or do you think I have some time given that it is still in good shape? I saw above that @bloc said that @Phantomx33 has at least another 100k miles on his original radiator. Curious if you guys think I am in the same situation
 
Thank you for taking a look. Do you think I should do the replacement now, regardless? Or do you think I have some time given that it is still in good shape? I saw above that @bloc said that @Phantomx33 has at least another 100k miles on his original radiator. Curious if you guys think I am in the same situation
That is the unknown. I would and have personally proactively replaced them, even on rigs with 10k miles. Very cheap insurance to avoid getting stranded or worse, not catching it in time and risk overheating and possibly warping the heads/block. IMO, do it once and never think about it again.
 
I'm not in the "change it even at 10k" camp.

The things typically go around 100k, and we haven't heard solid reports of them failing suddenly.. there always seems to be tens of thousands of miles of the crack slowly propagating before it gets bad enough to fail, and dozens if not hundreds of posts showing how far the crack can go before it is a significant risk. So very easy to make an educated, low-risk decision on when to address it.

Given that, I don't see the harm in waiting until you've seen some return on the original investment.. and perhaps wait until other work would be wise too. Coolant drain & fill, as an example. Plus nearing 100k with the radiator being out of the way, it makes doing some other "while I'm in there" work much easier.. stuff like water pump, thermostat, fan bracket, alternator brushes, etc.

After all, even if the updated part is an improvement, it is still a plastic-tank radiator. It isn't gonna last 500k.. I'd consider 300k a stretch, personally. I can't find the picture but when I changed my friend's 2013 LX rad at 110k it sat around for a couple weeks before I threw it out. The upper tank hose inlet showed significant evidence of degradation from all those miles with exposure to hot coolant.
 
I am lol. A 12 year old rig with 10k miles that is started weekly and exposed to hot coolant, but not driven will still degrade as was in my rigs case. I will not change the waterpump, thermostat, etc "while there", that's excessive at 10k miles or time.

That said, with 124k on his rig, I would personally certainly change it. Whats $200 on a radiator. At least its done and avoids the risk of potential for a blown engine if missed. Reports of those have also been seen.
 
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