1991 Saturn S-Series ECM | Engine Computer PCM ECU Plug&Play

This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is guaranteed to fit all 1991 Saturn S-Series models with a engine size. The following part numbers are compatible with this unit:

This unit will arrive Plug and Play and will not require any additional programming.