Im hoping somebody can explain what it actually is that is in my truck. I know it sounds like an idiotic question but here it is. I have a 2011 DN Heat 3.7....now i know it has a radiator. in front of that radiator is a condenser? Is that correct...then, wait theres more....in front of that theres a small single looking cooling apparatus that looks like a single tube/fin radiator?....but i was told its a transmission cooler? Is that right? I went to look for it online and what ive found for a transmission cooler doesnt fit the size that i have..mine is 15 1/2" long x5" tall by something like an inch or two deep....but it has just has one u shaped pipe coming out and going in. The replacements I have found all have two...is it ok to get something larger than what i have? if you were to go by picture only it looks like a power steering cooler...but i dont thats right. I hope this makes sense...I need to replace all three units and soon. I live in Palm Springs and its been 112 degrees and I have no A/C.....(my compressor is fine btw, and i tried recharging it but it came out one of the lines like a jet engine....so I need to replace all the units, i know for a fact that theres a hole in one of these things i just dont know what all they are)...I just want to know what they all are. thanks so much guys.