A-Premium 34" Engine Coolant Radiator with Transmission & Engine Oil Cooler

Here’s a polished, unique product review based on your notes: --- I installed this radiator recently and overall came away impressed with both the build quality and thoughtful design. One of the first things I noticed was that the aluminum core is noticeably thicker—about 25% more than the stock unit. I was initially concerned this might cause fitment issues, especially with the electric fan assembly, but everything went in without any problems. Fitment was solid and didn’t require any modification. During installation, I did have to transfer over all of the original mounting bushings. It wasn’t difficult, but it’s something to be aware of ahead of time so you’re not caught off guard mid-install. The included oil cooler line fittings worked exactly as expected. One thing worth pointing out (that isn’t clearly mentioned in the listing) is that these fittings are self-sealing taper types, so you don’t need Teflon tape or any additional thread sealant. That’s a nice touch and simplifies the install. I also appreciated the flexibility of the design. The radiator includes ports for both oil cooler lines and transmission cooler lines. If you’re running an automatic transmission, those ports are useful—but if not, they can simply be left unused. Since they’re isolated from the coolant system, there’s no need to plug them unless you’re operating in very dusty or muddy conditions. In that case, a simple rubber stopper or threaded plug would do the trick. Another bonus is that the ports are available on both sides, which is helpful if you’ve rerouted lines due to aftermarket suspension or engine modifications. Build quality feels excellent—very solid construction—and most importantly, it passed a pressure test after installation with zero leaks or issues. Overall, this radiator delivers great fitment, flexibility, and reliability. Definitely a worthwhile upgrade over stock.

Perfect Fit and good quality

Well, I'm guessing there's a reason this radiator is so much cheaper than the OEM part at the box stores. I installed this in my 2011 Denali in late August, 2025. Eight weeks and less than 1,000 miles later, it's November, and the plastic tank has cracked and I am slowly leaking coolant. It appears the tank has cracked around the connector for the oil cooler line on the passenger side. Attached is a video of coolant dripping down from the oil cooler line onto the bottom hose. I'm going to O'Reilly's to pay the ransom and get a real radiator.

I purchase a radiator from yaul .I instll the radiator and came to put the last transmission hoes left top there are no threads in the hole of the radiator

Worked great. Easy installation fast shipping.

Did ok but the oil cooler ports stripped out super easy so had to block those lines off

Installed on my 2007 chevy avalanche, two years ago and it's still going strong fit right in

Perfect replacement radiator for 2011 GMC Yukon XL Denali