T3
T3 Transfer Case Parts The T3 is a transfer case and transmission set created by manufacturer, Torsen. Also known as the Torsen Type-C, the T3 is used in a number of Audi vehicles including the Audi A6, A7, and Q7; all of which use the center differential of the ZF automatic transmission, the Quattro four-wheel drive system. But, Audi isn't the only manufacturer that used the Torsen T3 transfer case, the list of manufacturers and vehicles include:There are no products listed under this category.