View 6 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis Price Drop $299.99 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 Updated1/14/2026 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 Price Drop $299.99 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 Updated1/14/2026 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 2009 Freightliner MT45 Chassis Price Drop $299.99 USD (Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 28502, Family Number: 8CEXH0408BAF, Displacement: 6.7, Horsepower: 200, ESN: 46909558, Part Number: C01-00130-256,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2009Part Number4943134Stock NumberP-74393 MLS Number12683405CategoryEngine Control Modules (ECM) Last Updated1/14/2026 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 Price Drop $299.99 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 Updated1/14/2026 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 Price Drop $299.99 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 Updated1/14/2026 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 Contact for price (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 Updated3/8/2024 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) Contact for price (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 Updated3/8/2024 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Cummins ISB Engine Control Module (ECM) for a 2010 Freightliner MT55 Chassis Price Drop $299.99 USD (Used) 2009 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 106760, ECM CODE: AU90196.03, Family Number: 9CEXH0408BAG Displacement: 6.7L, Horsepower: 200, Ar. No./CPL: 3389,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2010Part Number4943134Stock NumberP-74367 MLS Number12683380CategoryEngine Control Modules (ECM) Last Updated1/14/2026 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 Price Drop $299.99 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 Updated1/14/2026 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 Price Drop $299.99 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 Updated1/14/2026 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 Price Drop $299.99 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 Updated1/14/2026 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 Contact for price (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 Updated3/8/2024 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 Price Drop $299.99 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 Updated1/14/2026 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 Contact for price (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 Updated3/8/2024 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 Price Drop $299.99 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 Updated1/14/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins ISB Expansion Plug $4.20 USD New Aftermarket ISB Expansion Plug ConditionUsedPart Number3900687Stock Number541-11825 MLS Number12655583CategoryEngine Head Bolts Last Updated1/23/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins ISB Expansion Plug $2.60 USD New Aftermarket ISB Expansion Plug ConditionUsedPart Number79AX67Stock Number541-11824 MLS Number12655582CategoryEngine Head Bolts Last Updated1/23/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins ISB Expansion Plug $3.75 USD New Aftermarket ISB Expansion Plug ConditionUsedPart NumberGCP3484Stock Number541-11823 MLS Number12655581CategoryEngine Head Bolts Last Updated1/23/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB Piston / Rod $92.43 USD NEW PISTON KIT (STD) PART # 111621 FITS CUMMINS ISB ENGINES, Serial#: NA ConditionNewPart Number111621 / 224-3732Stock Number111621 MLS Number12656530CategoryPistons & Rod Parts Last Updated2/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB Engine Part $27.22 USD NEW PISTON RING SET PART # 505160 FITS CUMMINS ISB, 4B, 6B ENGINES, Serial#: NA ConditionNewPart Number505160 / 4955251 / 4955169 / S42140 / 4955366Stock Number505160 MLS Number12656529CategoryEngine Miscellaneous Parts Last Updated2/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB Engine Part $23.79 USD NEW VALVE COVER GASKET PART # 131691 FITS CUMMINS ISB ENGINE, Serial#: NA ConditionNewPart Number131691 / 3954324Stock Number131691 MLS Number12656528CategoryEngine Miscellaneous Parts Last Updated2/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB Engine Part $28.08 USD NEW VALVE COVER GASKET PART # 131791 FITS CUMMINS ISB ENGINES, Serial#: NA ConditionNewPart Number131791 / 4897569 / 4899226 / 5272479 / 5309255Stock Number131791 MLS Number12656527CategoryEngine Miscellaneous Parts Last Updated2/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB Engine Part $6.64 USD NEW INJECTOR SEAL SET PART # 136145 FITS CUMMINS ISB ENGINE, Serial#: NA ConditionNewPart Number136145 / 3976371Stock Number136145 MLS Number12656526CategoryEngine Miscellaneous Parts Last Updated2/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB Engine Part $8.58 USD NEW FRONT SEAL PART # 136105 FITS CUMMINS ISB ENGINE, Serial#: NA ConditionNewPart Number136105 / 3900709 / 3904353 / 3937111 / 3968275 / 4931561 / 3935959 / 3804899Stock Number136105 MLS Number12656525CategoryEngine Miscellaneous Parts Last Updated2/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 20 Photos View 0 Videos Cummins ISB 5.9L Engine Thermostat Housing Part # 3926508 $250 USD (GOOD USED) Cummins ISB 5.9L Diesel Engine Thermostat Housing 3926508 For Sale, OEM Part # 3926508, Belt Tensioner Bracket Part # 3925191, Alternator Support Part # 3927100, 4T6, D12, BAGK,... ConditionUsedPart Number3926508Stock Number6981 MLS Number12655151CategoryEngine Thermostat Housings Last Updated2/23/2024 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info