This Engine Control Unit (ECU) is designed for use in 2008-2009 Cadillac CTS/STS 3.6l models. It is a genuine OEM part with manufacturer part number 12605672, 12623325, 12630594, and OE/OEM part number 0 261 S02 360, 0261S02360, 12622095, and 1039S24716. The ECU was made in Mexico and is not a universal fitment or vintage or performance part. The interchange part number is 590-01037.

Some computers may require reprogramming