2018 Yukon Denali Radiator replacement

[Mike61]

Hi guys- I have a 2018 Yukon Denali XL with 97,000 miles. I've been smelling antifreeze for a month or so and when I had it in my mechanic's shop I had him look it over. He said the driver's side plastic tank is leaking at the crimp. (seems like a common problem- thanks, GM) What are your experiences as far a repair or replace? I always try to use US made parts when I can. TIA.

 

[Doubeleive]

rockauto, amazon, dealer, local parts store. I guess whatever you can afford.
the same part at the dealer might be 50% less on rockauto, just depends
there is also 1800radiator they deliver and have a lifetime warranty.

 

[Terry Hurlburt]

I installed a Coldcase upgraded radiator in my 2018 when I swapped in an LT4 with an upgraded exhaust and bigger blower.

 

[Terry Hurlburt]

I also meant to say that with ~57000 miles on the new install it has been flawless. Though not cheapest option.

 

[bill1013]

Hi guys- I have a 2018 Yukon Denali XL with 97,000 miles. I've been smelling antifreeze for a month or so and when I had it in my mechanic's shop I had him look it over. He said the driver's side plastic tank is leaking at the crimp. (seems like a common problem- thanks, GM) What are your experiences as far a repair or replace? I always try to use US made parts when I can. TIA.

You look into Mishimoto if you’re looking for all aluminum radiator and accessories.