5 0 Recon Reman 1998 1999 2000 2001 2002 2003 Cummins ECM ECU Computer 3990517-RX $499.99 USD (TESTED PART) FITSCUMMINS ISB 5.9L 24-Valve Diesel Engine CM550, NON-EGR Model DIESEL ENGINE, PART# P3990517-RX,(PROGRAMMING MAY BE REQUIRED)INCLUDES WARRANTY. CALL FOR MORE INFORMATION,... Warranty ConditionUsedAssembly NumberP3990517-RXEngine ModelISB 5.9L 24-ValveFits To EquipmentCummins ISB ECM ECU Computer 3990517Fits To Make(s)Cummins ECM ECU Computer 3990517-RXFits To Model(s)Cummins ECM ECU Computer P3990517-RXWill Fit Year(s)1998 1999 2000 2001 2002 2003Part NumberP3990517-RXStock Number324876 MLS Number13687795CategoryEngine Control Modules (ECM) Last Updated7/8/2025 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
16 0 Cummins ISB 5.9L 24-Valve Diesel Engine CM550 Control Module ECM ECU Computer P# 3942860, P3942860 $499.99 USD ITEM DESCRIPTION, (TESTED PART) FITS 1998 CUMMINS ISC 5.9L 24-VALVE Diesel Engine, NON-EGR Model (PROGRAMMING MAY BE REQUIRED) PART# P3942860, GUARANTEED TO BE PROGRAMMABLE AND INCLUDES... Warranty Quantity2ConditionUsedCPL/ARR2232Engine ModelISB 5.9L 24-Valve Inline 6 Turbocharged Diesel EngineFits To EquipmentCummins 5.9L 24-Valve Diesel Engine CM550 ECM ECU ICM Computer Control ModuleFits To Make(s)CumminsFits To Model(s)ISB 5.9L 24-Valve Non-Egr CM550Will Fit Year(s)1998 - 2003Part Number3942860Stock Number321715, 321776 MLS Number11734144CategoryEngine Control Modules (ECM) Last Updated5/5/2025 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 (Good Used Takeoff) 2010 Cummins ISB 6.7L Diesel Engine Control Module (ECM) Part# P4993120 $499.99 USD ITEM DESCRIPTION, (TESTED PART) FITS 2010 CUMMINS ISB 6.7L Diesel Engine, ECM PART# P4993120, (PROGRAMMING MAY BE REQUIRED FOR YOUR APPLICATION) INCLUDES WARRANTY. STOCK# 320767 PRICE IS... Warranty ConditionUsedAssembly NumberP4993120Engine ModelISB 6.7LFits To EquipmentCummins ISB 6.7LFits To Make(s)CumminsFits To Model(s)ISB 6.7L Diesel EnginePart NumberP4993120Stock Number320767 MLS Number11407092CategoryEngine Control Modules (ECM) Last Updated1/16/2025 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Cummins ISB 5.9L CM550 ECM ECU Computer OEM P3944124 Tested Part $349.99 USD ECM SPECIFICS Condition: GOOD - Tested with Warranty, Price USD: $349 (NO CORE), Make: CUMMINS DIESEL ENGINE, Part#: P3944124 CM550, Stock#: 324742 For more... Warranty ConditionUsedAssembly NumberP3944124Engine ModelISB 5.9L 24-Valve Inline 6 Turbocharged Diesel EngineFits To EquipmentCummins ISB 5.9L ECM Computer P3944124 CM550Fits To Make(s)Cummins ISB 5.9L CM550 ECM ECU Computer P3944124Fits To Model(s)ISB 5.9L 24-Valve Non-EGR P3944124Part NumberP3944124Stock Number324743 MLS Number13326956CategoryEngine Control Modules (ECM) Last Updated1/14/2025 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 (GOOD USED) Cummins ISB Diesel Engine ECM Cooling Plate OEM-Part# 3955039 $159.99 USD PART SPECIFICS, Price USD: $159.99, Make: CUMMINS ISB DIESEL ENGINE, Model: ECM COOLING PLATE, Part#: 3955039, Stock#: 324196, Condition: GOOD USED For... Warranty ConditionUsedCPL/ARR8520Part Number3955039Stock Number324196 MLS Number12792938CategoryEngine Control Modules (ECM) Last Updated4/22/2024 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 (GOOD USED) Cummins Engine Control Module (ECM) for ISB 5.9L 24-Valve Non-EGR Part# 3944124, P3944124 $499.99 USD MACHINERY AND TRUCK PARTS ITEM DESCRIPTION, (TESTED PART) FITSCUMMINS ISB 5.9L 24-Valve Diesel Engine, NON-EGR Model DIESEL ENGINE, PART# 3944124,(PROGRAMMING MAY BE REQUIRED)INCLUDES... Warranty ConditionUsedEngine ModelISB 5.9L 24-Valve Inline 6 Turbocharged Diesel EngineFits To Make(s)CumminsFits To Model(s)ISB 5.9L 24-Valve Non-EGRPart Number3944124Stock Number321085 MLS Number12620805CategoryEngine Control Modules (ECM) Last Updated2/7/2024 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Cummins ISB 5.9L 24-Valve Engine Control Module ECM ECU Non-Egr CM550 Part# P3990517 $599.99 USD (TESTED PART) FITSCUMMINS ISB 5.9L 24-Valve Diesel Engine CM550, NON-EGR Model DIESEL ENGINE, PART# P3990517,(PROGRAMMING MAY BE REQUIRED)INCLUDES WARRANTY. STOCK# 323578. MACHINERY AND... Warranty ConditionUsedAssembly NumberP3990517Engine ModelISB 5.9L 24-Valve CM550Fits To Make(s)CumminsFits To Model(s)ISB 5.9L 24-Valve Non-Egr CM550Will Fit Year(s)1998 1999 2000 2001 2002 2003Part NumberP3990517Stock Number323578 MLS Number12340726CategoryEngine Control Modules (ECM) Last Updated9/26/2023 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 (Tested Good) ECM Computer from Cummins CM550 ISB 5.9L 24valve Diesel Engine fits 98-03 P# P3944124 $499.99 USD ITEM DESCRIPTION, (TESTED PART) FITS CUMMINS ISB 5.9L 24-Valve Diesel Engine, NON-EGR Model DIESEL ENGINE, PART# P3944124, (PROGRAMMING MAY BE REQUIRED) INCLUDES WARRANTY. STOCK# 320326... Warranty Quantity5ConditionUsedAssembly Numberp3944124Engine ModelISB 5.9L 24-ValveFits To Make(s)CumminsFits To Model(s)ISB 5.9L 24-Valve Non-Egr CM550Will Fit Year(s)1998 1999 2000 2001 2002 2003Part NumberP3944124Stock Number320326 MLS Number11056330CategoryEngine Control Modules (ECM) Last Updated7/10/2023 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Cummins 5.9L ISB 24-Valve EGR-Exhaust Model Diesel Engine ECM Computer P# 4921776 $699.99 USD ITEM DESCRIPTION, (TESTED PART) FITS 2004-2006 CUMMINS ISB 5.9L Diesel Engine CM850, EGR MODEL EXHAUST, Cummins ECM PART# P4921776, (PROGRAMMING MAY BE REQUIRED FOR YOUR APPLICATION)... Warranty Quantity3ConditionUsedAssembly NumberP4921776Engine ModelISB 5.9L EGRFits To EquipmentCummins ISB 5.9L EGRFits To Make(s)CumminsFits To Model(s)ISB 5.9L EGRWill Fit Year(s)2004 2005 2006Part Number4921776Stock Number321163, 321102, 321103 MLS Number11416494CategoryEngine Control Modules (ECM) Last Updated11/21/2022 LocationRockwood, TN, US Sold ByMachinery and Truck Parts (844) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info