I think Chap is right. If a car has an automatic transmission, it has a transmission cooler, which is either built into the main radiator, or is mounted near it and looks like a miniradiator. And of course, the air conditioner has a cooler/radiator of its own. Same comments. And some cars, or at least some tow packages, have an engine oil cooler, too.
As ng2951 says, if you can recognize the transmission and find and follow the pipes, it elininates some of the ambiguity, but I'm not sure that, for me, anyway, it would clearly separate the usual AT-cooler from an aux cooler.
Bill
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