The product is a vintage 1989-93 Ford Mustang A9P ECU Automatic Mass Air Computer with the manufacturer part number E9ZF-12A650-CA, F3ZF-12A650-FA, E9ZE-12A650-CA. This Engine Control Unit (ECU) does not require any programming and has a maximum amperage of 93A. It is a tested and interchangeable part with part numbers A9L and C3W, suitable for the front right placement on the vehicle. Perfect for restoring or repairing a classic Ford Mustang, this OE/OEM part is a genuine Ford product.