The 2003 Mercury Sable ECU ECM 3F1A-12A650-RB is a genuine Ford Engine Control Module Computer specifically designed for the Mercury Sable. It is a high-quality, used part manufactured in the United States. This ECU requires programming and has a maximum amperage of 12 A. It is interchangeable with part number RXR1 and has OE/OEM numbers 3F1A-12A650-RB and 3F1A12A650RB. This Engine Control Unit is not a vintage or universal fitment part, making it a reliable choice for restoring or repairing your vehicle's engine control system.

This was pulled from a running driving vehicle. It is 100% OEM and been tested.