help on radiator replacement

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Chughart

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hey guys

i was changing my oil today and found my radiator is leaking on the end on the driver side. i have a 12 yukon xl denali with the towing packages (i dont remember the exact RPO codes) and i tow a 26ft travel trailer that weights about 7000lbs (roughly). my question is what radiator should i go with? should i stick with the stock radiator or should i find an "upgraded" radiator?

thanks in advance!
 
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Chughart

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ya I saw that that is a common issue. I’ll stick with stock. Thanks!
 

ls1frc

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Yeah just make sure you get the right unit with both the engine oil and trans fluid ends
 

j91z28d1

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I thought I remembered there was 2 different stock ones. part numbers are round here somehwe. a denso with a extra row or something like that.


I'm still baffled by why these crack aluminum radiators. I've used aluminum radiators in so many different things and never had any issues. very weird
 

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