Is that cheaper than OEM lines? Your problem is most likely the “d” brand lines which I assume is Dorman? There’s not many Dorman parts I’ll use, these aren’t one of those.
Yup, Dorman. I agree that these are most likely the issue. Initial investigation on pricing is comparable, maybe a little more expensive to go with ICT. For me, it is not about the cost, but fixing the issue. I like the design of ICT, and routing soft lines vs semi rigid is more appealing.
I don't see what the big deal is. The radiator leaking internally is extremely rare. Even if you look around here there are almost no posts about it. This is not something I would lose sleep over at night and delete cooling systems, at least with the OEM parts. I would never use an aftermarket radiator and the aftermarket oil and transmission lines look even cheaper quality. I just changed my radiator to one with the oil cooler to add it to my 2008. Buy the OEM parts and there's nothing to worry about, they're not even that much more money on Rock Auto.
Deleting for me wasn't about fluid cross contamination, more about fixing a nuisance issue. I am not too concerned about the cooler and its necessity, 2wd trucks don't come equipped with them.
As far as commenting on the cost of OEM vs Dorman, I put the best quality parts on it I can afford at the time. True, Dorman parts are of less quality IN GENERAL than of OEM. I knew it at the time, and still know it. For me, Dorman has been hit or miss in terms of quality and at the time I was willing to gamble.