Radiator

RoninRivs

TRX Noob
Joined
Oct 1, 2026
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Location
DFW, Texas
Current Ride
2022 Ram Trx
Military
USMC
So my oem radiator finally started leaking, I've read about the horror stories with the plastic and lower quality. I'm at 60k miles now and figured ind upgrade instead of just buying the cheap oem one again since im out of warranty anyways. The after market has expanded with quality upgraded radiators and wanted to ask yalls opinion on the current ones out there.

Best current aftermarket radiator? I see Fluidyne High Performance and Entropy Radiator are two very good ones. Opinions?
 
My original radiator crapped out last week at around 77,000 miles. I ended up ordering the Fluidyne.
They were around the same price, give or take $100, but Lethal Performance had a 6% coupon available so I went with the Fluidyne.
 
Make sure you replace the rubber mounts. If you think a plastic end tank radiator leaks fast, aluminum end tank radiators crack even faster from vibration

I have aluminum end tank rads on two of my 3 offroad vehicles. Still have my oem one on my Trx (and am about to replace the rubber mounts since they get hard)

The plastic “crimped” tanks allow for better vibration resistance. The only reason to go aftermarket is for better cooling. The Trx does come with a huge btu heat exchanger which is nice. But if you drive slow in high heat and high load there is always room for improvement.

Pics below are the go fast truck hence the reinforced mounting and then the daily/overland/camping/family hauler using stock mounting and the leaking crimp of the oem
 

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