For sale is a Detroit Diesel Electronic Controls (DDEC IV) Electronic Control Module (ECM), designed for electronic engine control applications in compatible Detroit Diesel engine systems. This unit features a robust metal housing with the original identification labels and part number markings visible in the photographs. It may be suitable for replacement, maintenance, or repair requirements where the exact ECM specification matches the existing engine control system. Product Type: Electronic Control Module (ECM). Control System: DDEC IV. Condition: Used / pre-owned; confirm before listing. Condition & Important Information. Used electronic control module with visible signs of age, surface wear, and discoloration. Identification labels and part numbers are visible in the supplied photographs. This ECM may require configuration or programming specific to the engine and application. Please compare the part number, model, connectors, and specifications with your existing unit before ordering. 1 × Detroit Diesel DDEC IV Electronic Control Module, as pictured. No additional cables, accessories, or installation components are included unless shown in the photographs. Carefully packed for safe transportation.