View 7 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2007 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM - Part Number: P4921776-RX, Serial Number: A37124491, DC: 1430, Engine Information- Horsepower: 300, 2 Rectangular Plugs with 60 Pins, 1 Square Plugs With... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2007Part NumberP4921776-RXStock NumberP-71002 MLS Number12596367CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- Part Number: P4921776, Serial Number: 6EC8850A35024780, T0861, (3 Plugs) 4 Pins Plug Rectangular, 60 Pins Plug Rectangular, 50, Pins Plug... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberP4921776Stock NumberP-71014 MLS Number12596379CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2005 Cummins ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 26022310, CM: CM850, E/C: Z90030.18, Engine Information- ESN: 46517866, (3 Plugs) 4 Pins Plug Rectangular, 60... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number4921776Stock NumberP-71023 MLS Number12596388CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2005 Cummins ISB, ENGINE ECM- Part Number: P4921776-RX, Serial Number: A38157034, Type Plug: 3 Rectangular, Pin Plug: #1-50, #2-60, #3-4, For more information about this item, give us... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberP4921776-RXStock NumberP-72529 MLS Number12640833CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2005 Cummins ISB, ENGINE ECM- ECM Model: 850, Part Number: 4921776, Serial Number: 26021734, ESN: 46517496, E/C: Z90030.18, 1 Rectangular Plug with 4 pins, 1 Rectangular Plug... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number4921776Stock NumberP-72584 MLS Number12640892CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 1945, ECM CODE: AU90047.15, Family Number: 8CEXH0408BAC, Displacement: 6.7L, Horsepower: 200, CPL: 0279, ESN:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74343 MLS Number12683356CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2007 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 29044598, ESN: 46620749, ECM CODE: Z90030.18, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2007Part Number4921776Stock NumberP-74346 MLS Number12683359CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 20735, ESN: 46900288, ECM CODE: AU90047,16, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of 4... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74349 MLS Number12683362CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 38157707, ESN: 60706469, ECM CODE: Z90030.30, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number4921776Stock NumberP-74353 MLS Number12683366CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 5402, ESN: 46861417, ECM CODE: AU90047.15 Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of 4... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74356 MLS Number12683369CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DH008861, Family Number: 8CEXH0408BAC, Displacement: 6.7L, Horsepower: 200, CPL: 0279, ESN: 46867452, Part... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74360 MLS Number12683373CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 20564, ESN: 46851479, ECM CODE: AU90047.15 Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of 4... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74363 MLS Number12683376CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 37102902, ESN: 60706014, ECM CODE: Z90030.23. Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of... ConditionUsedPart Number4321776Stock NumberP-74369 MLS Number12683382CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2007 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 33054368 ESN: 60711557, ECM CODE: Z90030.23. Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of 4... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2007Part Number4921776Stock NumberP-74372 MLS Number12683385CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DH020275, Family Number: 8CEXH0408BAC, Displacement: 6.7L, Horsepower: 200, CPL: 0279, ESN: 46900682, Part... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74375 MLS Number12683388CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 44741, Family Number: 9CEXH048BAF, Displacement: 6.7L, Horsepower: 200, CPL: 3238, ESN: 60702973, Part Number:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74378 MLS Number12683390CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2007 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 41869 Family Number: 9CEXH0408BAG, Displacement: 6.7L, Horsepower: 200, CPL: 3389, ESN: 60700872, Part Number:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74394 MLS Number12683406CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 12382, Family Number: 8CEXH0408BAC, Displacement: 6.7L, Horsepower: 200, CPL: 0279, ESN: 46871876, Part Number:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74397 MLS Number12683409CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 34025175, ESN: 60276241, ECM CODE: Z90030.23, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number4921776Stock NumberP-74401 MLS Number12683413CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 26022422, ESN: 46517974, ECM CODE: Z90030.18, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number4921776Stock NumberP-74403 MLS Number12683415CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2005 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 26021634, ESN: 46517366, ECM CODE: Z90030.18, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number4921776Stock NumberP-74410 MLS Number12683422CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2007 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 30000011, ESN: 46623378, ECM CODE: Z90030.18, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2007Part Number4921776Stock NumberP-74412 MLS Number12683424CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis $599.98 USD (Used) 2006 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 29031209 ESN: 46596663, ECM CODE: Z90030.18, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number4921776Stock NumberP-74414 MLS Number12683426CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2021 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 1695, Family Number: 9CEXH0408BAG, Displacement: 6.7L, Horsepower: 200, CPL: 3389, Serial Number: 60708413, ECM CODE... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74422 MLS Number12683434CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis $599.98 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 23884, ESN: 46898822, ECM CODE: AU90047.16, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of 4... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2008Part Number4943134Stock NumberP-74423 MLS Number12683435CategoryEngine Control Modules (ECM) Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info