Most trannies from the older up till 07 can be swapped between one another. You will need the ECU pertaining to that vehicle however to operate it correctly. The best trans for holding power is the Cl-S 6spd trans because it comes with an LSD. As most know the 2000-2003 TLs had numerous problems with their auto trannies pertaining to 2nd/3rd and are very unrealiable.