View 5 Photos View 0 Videos Cummins 5.9L Engine Control Module (ECM) for a Freightliner MT55 Chassis $332.45 USD (Used) Cummins 5.9L, ENGINE ECM- Part Number: P3944124, Serial Number: 0C03011498, Engine Information- Displacement: 5.9L, 2 Rectangular Plug with 50 Pins each!! Reference images for... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisPart NumberP3944124Stock NumberP-80829 MLS Number12884444CategoryEngine Control Modules (ECM) Last Updated8/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins 5.9L Engine Control Module (ECM) $327.75 USD (Core) 2018 Cummins ISB, ENGINE ECM- Part Number: 3990517, SerialNumber: 0A05021943, 2 Rectangular Plug with 50 Pins each!! Reference images for condition. For more information about this o,... ConditionUsedPart Number3990517Stock NumberP-113717 MLS Number13972277CategoryEngine Control Modules (ECM) Last Updated8/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins 5.9L Water Pump $99.99 USD (New) Cummins Water Pump 4B 3.9L/ 6B 5.9L (94.25mm). P/N-APL101208 Engine-Cummins For more information about this item call. We ship Worldwide. 929 W. Pulaski Hwy Elkton, MD 21921, Serial#:... ConditionNewPart NumberAPL101208Stock NumberP-26337 MLS Number11038406CategoryWater Pumps Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info