Features 1、Applicable Models: ECM diesel engine computer controller module is fit for Mark D13 FM13 Truck. Please confirm whether your model is applicable before buying. 2、OE Number: The part numbers of reference are 21358126, 21042371, 21300060, 21107008, 20977021, and 20583789, please confirm whether it is consistent with the OE you need. 3、Strong Expandability: The engine computer controller module has rich functions and interfaces, which can be communicated and integrated with other vehicle systems (such as transmission, ABS, car entertainment system, etc.) to realize the intelligent control of the vehicle. 4、Protection and Anti Interference: ECM engine controller module adopts accurate hardware components and efficient software algorithms, which has strong anti interference ability and high reliability, and can work normally in the harsh working environment. 5、Adaptive Control: Diesel engine controller module has an adaptive control function that automatically adjusts the engine's operating state according to different driving conditions and environments to ensure optimal engine performance. Specification Item Type: ECM Diesel Engine Computer Module Material: Aluminum alloy OE Number: 21358126 Other Part Numbers: 21042371, 21300060, 21107008, 20977021, 20583789 Installation: Replacement Fitment: For Mark D13 FM13 Truck Package List 1 x ECM Diesel Engine Computer Module