Quote Originally Posted by zeake View Post
I am in Lagrange Ga. It wont fit your 5.3. It is for the drive by wire instead of drive by cable. It has a little electric motor inside that operates it instead if a cable and spring.
If it is a 03-05 Silverado 4.8,5.3 or 6.0L it is fly by wire and it will fit if it has the cathy ports....