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Discussion Starter · #1 ·
My radiator has a little coolant stain. Want to replace it before it becomes more than a stain.
I see people putting mishimoto all aluminum radiators in their first gen tundras, but I haven't seen one installed in a first gen sequoia.
Anybody seen this done in the Sequoia or know of a better than factory radiator?
Edit: I have a 2007 Sequoia Limited if that makes a difference.
 

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You can do it, but why? The OEM Radiator (Denso) will keep your Sequoia at the optimal temp possible when new. Cost around $150ish for the Denso Replacement from Toyota Online Parts Store.

Mishimoto (beautiful btw) cost around $500 last I checked and doesn’t cool any better than the Denso plus you need to do a bunch of mods and buy extra hoses which add to the cost and frustration. Solid Aluminum Aftermarket Rads are also prone to weld failure.

Optimal temps are around 181°-185° on the 4.7L.
 

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I was making frequent runs (565 miles) over Siskiyou Pass when I decided it was time for a preemptive replacement of my 20 yr old OEM radiator. (2001 Access Cab) Too old to get stuck in the middle of nowhere with a coolant leak that didn't have to happen. My mechanic gave me a puzzled look when I told him I wanted Denso rather than the aftermarket he wanted to put in. His reasoning was that the Denso didn't come with a 1 yr labor warranty if it should need replacement. I got 20 yrs out of the Denso and expect another 20 out of this one if I should live that long. And yeah, it was about $150 which I recall was $20 or $30 more than the aftermarket he would have used.
 

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I used the factory brackets off my OEM on my new DENSO works great! 2005 DC 4wd 4,7 169k
I did this too -- got a replacement Denso from RockAuto (going for $154 right now) and swapped the stronger/thicker metal original mounts and even took off the foam edge pieces (glued them on to new one with black trim adhesive). I only replaced mine as the original somehow had a cracked neck that probably was due to someone wrenching on it. I figured too that if the original lasted 20+ years, Denso was the way to go.
 

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I would consider a LILAND GLOBAL 2376AA All Aluminum from RockAuto.com at $279 because there are so many failed OEM plastic radiators I read about.
 
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I would consider a LILAND GLOBAL 2376AA All Aluminum from RockAuto.com at $279 because there are so many failed OEM plastic radiators I read about.
Yeah but no one comes on here to complain about their oem rad still working, you only hear from people who's rad's failed right? So whats the percentage of failed oem rad's? Probably pretty damn low.
 

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Yeah but no one comes on here to complain about their oem rad still working, you only hear from people who's rad's failed right? So whats the percentage of failed oem rad's? Probably pretty damn low.
If the part failed why purchase the same part that will also prematurely fail ?
 

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You said you read about so many OEM ones that failed. So how many is many, 10, 20? If they made 200 000 rads and 20 failed thats a failure rate of .0001, not exactly a bad track record.
The OP is driving a 2007 and his 15 year old rad is starting to show signs of needing to be replaced. Thats not premature failure, thats a wear item about due to be replaced.
 

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Discussion Starter · #12 ·
I understand the factory radiator, and presumably an aftermarket radiator, lasts 10+ years. I also know that of the 2 vehicles with 4.7 engines that I've had with the factory plastic/aluminum radiators this will be the 2nd rad to be replaced.
In general the design of having plastic caps an aluminum radiator is a bad design and a cheapout. That goes for every manufacturer. It's not a Toyota problem but an industry wide problem.
Would I replace with an OE or Denso etc in a pinch? absolutely. But I want to see if there's something better out there.
 

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You can do it, but why? The OEM Radiator (Denso) will keep your Sequoia at the optimal temp possible when new. Cost around $150ish for the Denso Replacement from Toyota Online Parts Store.

Mishimoto (beautiful btw) cost around $500 last I checked and doesn’t cool any better than the Denso plus you need to do a bunch of mods and buy extra hoses which add to the cost and frustration. Solid Aluminum Aftermarket Rads are also prone to weld failure.

Optimal temps are around 181°-185° on the 4.7L.
From what I've heard,Denso radiators are made in China, it started in 2018
 

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From what I've heard,Denso radiators are made in China, it started in 2018
Taiwan is considered China but not really. Most Denso is made in Taiwan and/or in Japan. Taiwan is more like Japan than China even though it is China. Taiwan wants to be free from China. China wants Taiwan.

Regardless, ISO Standard is what to look for in auto parts. Denso Rads do fail in the 7-10 year range it seems. Some last longer and some less. My original lasted about 12 years. Now I’ll replace them every 6-7 years because they are easy and fairly inexpensive.

A full aluminum radiator custom made is in the $500 range last I checked 2 years ago before ‘transitory’ inflation. Also, they are still prone to early weld failure. Cool points for having one, though. Nice works of art, as well. If they cooled better by a huge margin they’d be worth the extra$$$$.
 

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Taiwan is considered China but not really. Most Denso is made in Taiwan and/or in Japan. Taiwan is more like Japan than China even though it is China. Taiwan wants to be free from China. China wants Taiwan.

Regardless, ISO Standard is what to look for in auto parts. Denso Rads do fail in the 7-10 year range it seems. Some last longer and some less. My original lasted about 12 years. Now I’ll replace them every 6-7 years because they are easy and fairly inexpensive.

A full aluminum radiator custom made is in the $500 range last I checked 2 years ago before ‘transitory’ inflation. Also, they are still prone to early weld failure. Cool points for having one, though. Nice works of art, as well. If they cooled better by a huge margin they’d be worth the extra$$$$.
Have you looked at LILAND GLOBAL 2376AA All Aluminum from RockAuto.com at $279, it's a far cry from $500 everyone keeps quoting.
 

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Have you looked at LILAND GLOBAL 2376AA All Aluminum from RockAuto.com at $279, it's a far cry from $500 everyone keeps quoting.
No I haven’t. I’ll check it out sometime. It’ll be another 5 years before considering another radiator for me. That seems like a good price for a full aluminum radiator like Champion. If it cools no differently than the Denso then I’d still stick with Denso.
 

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102K, 18 years, one thorough drain/flush at 97K, distilled for a week then drained down to freeze plugs again and fill with 50/50 Aisan/Toyota. And all new Hoses except for the under intake which are also waiting in my stock.
I figure in 2026 at ~150-160K to do the Full Job..

Though I have had a spare backup radiator 3 years it stays in the box until I do full Timing Belt Kit change, including new fan clutch perhaps.

Hell I probably won't outlive my Smiley Girl after that by much!!!

We get out of it what We put into it usually.
 
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