This E.C.M. fits the following vehicles: 2004-2007 2.8/3.6L Cadillac CTS.

This is for one service number (12592124, 12581144, 19260507, these are all interchangeable)
ECM (Engine control module) that is programmed for your vehicle
using your V.I.N. (Vehicle identification number) to exactly
match your vehicle. The service numbers listed are interchangeable when the computer is reprogrammed.
After you purchase the E.C.M. you will need to provide us with your V.I.N so that
we can program the E.C.M.