B12

This is a high-quality Engine Control Unit (ECU) for a 2003 Cadillac CTS 3.2 V6. It is an OEM part with the Manufacturer Part Number 1039S01483 and OE/OEM Part Number 0 261 207 310. The ECU is designed for easy installation and requires programming. It has features such as Protection Lock, Superseded Part Number 0 261 207 310, and Interchange Part Number WC 1039S1483. 290110. The ECU is not a universal fitment and is specifically designed for the front right placement on the vehicle. It was made in the USA and is not a vintage or performance part.