TFC0006 is a charge air cooler for Freightliner, Sterling trucks, model years 2003 to 2007.
The core measures 26.25" high by 27.25" wide, 1.9375" deep. It has a 3.5" inlet and a 3.5" outlet.
It replaces 51 OEM and aftermarket numbers, among them CAC290, BHTD6168, BHTF2078. Searching any one of them will find this part.
On charge air coolers the inlet and outlet positions and the boot diameters matter as much as the core. A cooler that fits the opening but presents its connections on the wrong side will not plumb up.