Chrysler’s Duramax is, without a doubt, one of the finest truck/SUV engines out there. When properly equipped, it can put out up to 500HP and 1000+ lb.-ft. of torque – a very impressive result. However, as you can imagine, all that raw power comes at a price. Unless you’ve got an outstanding cooling system to keep the temperatures low, the motor will overheat before long. That won’t be a problem with the Best Duramax Radiator, though.
After two months of extensive research and hands-on testing with a good buddy of mine, I picked the following three units as my top picks. Crafted from premium materials and engineered to last, they’ll be a perfect fit for your mighty engine. So, go ahead and check out the comparison table, the detailed reviews, and, of course, my Buyer’s Guide!
Best Duramax Radiator
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1. Auto Dynasty – Best Radiator for LLY Duramax
What’s the most important thing for any aftermarket radiator? Coolant capacity, of course, and you’ll get plenty of that with Auto Dynasty. Thanks to a forward-thinking three-row design, it is, indeed, vastly superior to the stock cooling system of any Duramax engine (especially the LLY edition). With it, you’ll get a 40% boost in efficiency, which will make all the difference in the world.
Crafted from high-quality, high-heat transferring aluminum, it’s also quite durable and reliable. My only complaint has to do with the installation process. While it’s pretty straightforward once you get the hang of it, you might struggle a bit at first. The whole thing took me 3 to 4 hours, and I consider myself to be an experienced driver. The good news is – the package includes detailed instructions that will be of great help.
Despite the somewhat challenging installation, the Auto Dynasty radiator is a safe bet. It’s incredibly efficient, features three rows of tubes, and is manufactured from premium T6-6061 aluminum. If you do a lot of off-roading and would appreciate a capable cooling system, this one might be a perfect fit.
2. Mishimoto – Best Duramax Radiator for Chevy Silverado 2010
Owners of the legendary Silverado will probably find Mishimoto’s offer to be too good to say no to. It’s one of the most polished, fine-tuned, and race-track-ready radiators on the market right now. The brazed aluminum core, top-notch magnetic drain plug, and TIG-welded design are some of its biggest pros. On top of that, it’s also very easy to install with basic tools. All you’ll need is a screwdriver, a pair of pliers, and protective gloves + goggles.
And thanks to the “drop-in fitment” design, you won’t have any issues with the installation. Another standout “feature” is the lifetime Mishimoto warranty. And what about the cons – are there any? The most significant downside is the expensive price-tag. But I have to also say that while this isn’t a particularly cheap radiator, it’s not really overpriced. So, if you’ve got a thick enough wallet, it might be a reasonable investment.
Easy to install, covered by a generous warranty, and efficient under pressure, the Mishimoto radiator is a bargain, but only if you’re not limited by the budget. The brazed aluminum core, TIG welding, and drain plug, along with the extended capacity will make it worth your while.
3. BuyAutoParts – Best Duramax Radiator for 2007 GMC
In contrast to the previous radiator, this one’s quite affordable. And, it will be a direct fit for a wide range of Duramax-driven trucks, especially the 2nd-gen GMC Sierra. BuyAutoParts put it through dozens of tough tests to perfect the “formula” and ensure its effectiveness in real-world situations. However, while it is very efficient, some buyers complain about the faulty tanks: they start to leak after six-twelve months.
This was only reported by a small number of drivers, though. And on the bright side, the company is very quick with the deliveries – you won’t have to wait for days for the radiator to arrive. It’s protected by an unlimited-mileage warranty, by the way. All-in-all, folks on a modest budget might want to put this radiator on their lists. It’s not perfect, but still decent enough.
Affordable, efficient, and quick to arrive at your doorstep, the BuyAutoParts radiator is a very attractive deal. Sadly, it does have quality control issues and the tanks tend to leak sometimes. But that’s the only significant con.
Radiators are relatively affordable, easy to install, and durable: they’ll last for 5-10 years and make sure your engine doesn’t “fry” itself. Today, we checked out some of the best offers from world-leading brands. With Mishimoto, you’ll get one of the best aftermarket radiators on the market. It’s highly reliable, manufactured from top-notch materials, and backed by a generous warranty.
The BuyAutoParts radiator, in turn, is rather cheap and fast to arrive at your doorstep. Finally, Auto Dynasty is all about performance. So, there you have it: three marvelous radiators, each with its pros and cons. Go over the reviews carefully and check the comparison table once again if you’re not sure which one to pick. The Buyer’s Guide will help you make a decision; or, you can ask for some tips in the comments section!