TKC0008 is a charge air cooler for the Kenworth T800H, W900B, model years 2008 to 2011.
The core measures 34.875" high by 24.25" wide, 2.75" deep. It has a 4" inlet and a 4" outlet.
It replaces 4 OEM and aftermarket numbers, among them CAC332, F311047, F311068. 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.