Shop our line of remanufactured Cummins ISB engine control modules (ECM). Our remanufactured Cummins ECMs are designed to enhance vehicle performance, driveability and reliability. With engineered design improvements, our modules not only meet but exceed OEM standards. Be sure to match part numbers from your specific module to guarantee compatibility and fitment. Each Cummins ISB ECM is backed by our lifetime warranty for your peace of mind. Find the right ECM for your vehicle now!