1980-1993 Dodge D-150 D-Series Ram 5.2L V8 OEM PCM powertrain control module, part number 4557561. Fitment research points to 1980-1993 models, see photos for fitment details. Factory computer used to manage engine functions and works as a direct replacement for a faulty or non-working module. In vintage used condition with normal wear from age and use including scratches, fading on the body, discoloration, and dirt and dust. No major damage seen. See photos for full condition details before purchase.