In box Detroit Diesel DDEC III Engine Control Module (ECM) 23518743 for Series 60 diesel engines. Properly functioning ECMs ensure optimal engine efficiency, reliability, and emissions control. Please confirm compatibility with your equipment before purchasing. System: DDEC III (Detroit Diesel Electronic Controls). Engine Compatibility: Detroit Diesel Series 60. Voltage: 12V / 24V system compatible (application dependent). Connector Type: OEM multi-pin connectors. Application: Diesel engine electronic control system. Supports engine diagnostics and system monitoring. Built to OEM specifications for reliability and durability. Detroit Diesel DDEC III Engine Control Module (ECM) 23518743. Can’t find the part you’re looking for?