View 3 Photos View 0 Videos 2002 Used Cummins ISB 5.9L Fan Pulley $55 USD Used ISB 5.9L Fan Pulley, Type: Fan Hub Pulley, Diameter: 5-1/8" ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9LWill Fit Year(s)2002Part Number3914459Stock Number521-12469 MLS Number13540536CategoryEngine Pulleys Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2003 Used Cummins ISB 5.9L Driver Rear Engine Mount $100 USD Used ISB 5.9L Driver Rear Engine Mount, Position: Driver Rear, Type: Engine Mount, Material: Cast Iron ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9LWill Fit Year(s)2003Part NumberF81A6A070DBStock Number548-13264 MLS Number13196509CategoryEngine Mounts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISB 5.9L Camshaft for a Cummins ISB5.9 $125 USD Good used, cleaned and inspected Cummins ISB5.9 camshaft. Part number: 3942567. ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISB5.9Part Number3942567Stock NumberRyd 3942567 MLS Number13607969CategoryCamshafts Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB 5.9L Camshaft for a Cummins ISBCR5.9 $150 USD Good used, cleaned and inspected Cummins ISBCR 5.9L camshaft, Part number: 3954099, 3979506, 4896421. 30 day guarantee for swap or refund. ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISBCR5.9Part Number3954099Stock NumberRyd 3954099 MLS Number10652810CategoryCamshafts Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB 5.9L Engine Rod $25 USD Good used and inspected Cummins ISBCR 5.9L connecting rod, Part number: 3942579, 3935349, 4943979. 30 day guarantee for swap or refund Quantity6ConditionUsedFits To Make(s)CUMMINSPart Number3942579Stock NumberRyd 3942579 MLS Number10540527CategoryEngine Rods Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB 5.9L Engine Rod for a Cummins ISBCR5.9 $25 USD Good used and inspected Cummins ISBCR 5.9L connecting rod, Part number: 4943977. 30 day guarantee for swap or refund Quantity35ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISBCR5.9Part Number4943977Stock NumberRyd 4943977 MLS Number10540521CategoryEngine Rods Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISB 5.9L Front Engine Cover $150 USD Good used, cleaned and inspected Cummins ISBCR 5.9L front cover, Part number: 4936871 Quantity4ConditionUsedFits To Make(s)CUMMINSStock NumberRyd 4936871 MLS Number10697670CategoryFront Engine Covers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2005 Rebuilt Cummins ISB 5.9L Engine Block $1,950 USD Rebuilt ISB 5.9L Engine Block ConditionRemanufacturedFits To Make(s)CumminsFits To Model(s)ISB 5.9LWill Fit Year(s)2005Part Number3970793Stock Number501-12672 MLS Number13913374CategoryEngine Blocks / Cylinder Blocks Last Updated10/22/2025 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2006 Rebuilt Cummins ISB 5.9L Engine Block $1,950 USD Rebuilt ISB 5.9L Engine Block ConditionRemanufacturedFits To Make(s)CumminsFits To Model(s)ISB 5.9LWill Fit Year(s)2006Part Number3972843Stock Number501-12670 MLS Number13913372CategoryEngine Blocks / Cylinder Blocks Last Updated10/22/2025 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2005 Used Cummins ISB 5.9L Water Elbow $65 USD Used ISB 5.9L Water Elbow ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9LWill Fit Year(s)2005Part Number3943149Stock Number523-11953 MLS Number13902692CategoryEngine Thermostat Housings Last Updated10/16/2025 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins ISB 5.9L Valve Cover $150 USD Nous livrons partout au Canada et États-Unis. We ship anywhere in Canada and USA. - Stock : 5799VC - Valve Cover - CumminsISB 5.9L - P/N : 3945799, Serial#: Other ConditionUsedPart Number3945799Stock Number5799VC MLS Number13897783CategoryValve Covers Last Updated10/16/2025 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins ISB 5.9L Front Engine Cover $215 USD Nous livrons partout au Canada et États-Unis. We ship anywhere in Canada USA. - Stock: 3379FC - Moteur / ENGINE : Cummins ISB 5.9L - P/N: 3943379, Serial#: Other ConditionUsedStock Number3379FC MLS Number13879068CategoryFront Engine Covers Last Updated10/10/2025 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISB 5.9L Crankshaft for a Cummins ISB-CR-5.9 $750.24 USD FRONT GEAR ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISB-CR-5.9Stock Number1991728 MLS Number11317951CategoryCrankshafts Last Updated8/19/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins ISB 5.9L Camshaft for a Cummins ISB-5.9 $395.34 USD ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISB-5.9Stock Number1991735 MLS Number11317953CategoryCamshafts Last Updated6/2/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 16 Photos View 0 Videos 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
View 2 Photos View 0 Videos Used Cummins ISB 5.9L Push Rod Cover $75 USD Used ISB 5.9L Push Rod Cover, Type: Lifter Cover ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9LPart Number3936249Stock Number507-17099 MLS Number13389397CategoryEngine Covers Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2003 Used Cummins ISB 5.9L Passenger Rear Engine Mount $100 USD Used ISB 5.9L Passenger Rear Engine Mount, Position: Passenger Rear, Type: Engine Mount, Material: Cast Iron ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9LWill Fit Year(s)2003Part NumberF81A6096BBStock Number548-13265 MLS Number13196510CategoryEngine Mounts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Used Cummins ISB 5.9L Main caps $88 USD Used ISB 5.9L Main caps, Type: Cummins ISB 5.9L Main Caps. ConditionUsedPart Number3974156Stock Number549-10095 MLS Number12744823CategoryEngine Miscellaneous Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Reconditioned Cummins ISB 5.9L Crankshaft $895 USD Reconditioned ISB 5.9L Crankshaft ConditionRemanufacturedPart Number3941199Stock Number508-12012 MLS Number11978778CategoryCrankshafts Last Updated1/30/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins ISB 5.9L Camshaft $625 USD Nous livrons partout au Canada et États-Unis. We ship anywhere in Canada USA. - Stock : 2567CA - P/N : 3942567, Serial#: Other ConditionUsedStock Number2567CA MLS Number11945965CategoryCamshafts Last Updated3/18/2023 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Used Cummins ISB 5.9L Exhaust Rocker $27 USD Used ISB 5.9L Exhaust Rocker, Type: exhust rockers ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9L EGRPart Number3941928Stock Number525-15422 MLS Number11925603CategoryEngine Valve Trains Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Used Cummins ISB 5.9L Rear Main Seal Housing $67 USD Used ISB 5.9L Rear Main Seal Housing, Type: Rear Main Seal Cover ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9LPart Number3921043Stock Number507-17991 MLS Number11673891CategoryEngine Covers Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Used Cummins ISB 5.9L EGR EGR Cooler Assembly $350 USD Used ISB 5.9L EGR EGR Cooler Assembly, Type: EGR Cooler Assembly ConditionUsedFits To Make(s)CumminsFits To Model(s)ISB 5.9L EGRPart Number4337538Stock Number505-11747 MLS Number11415581CategoryEGR Coolers Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Reconditioned Cummins ISB 5.9L Crankshaft $895 USD Reconditioned ISB 5.9L Crankshaft ConditionRemanufacturedPart Number3941199Stock Number508-12013 MLS Number11291925CategoryCrankshafts Last Updated6/14/2025 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1999 Cummins ISB 5.9L Crankshaft $895 USD GOOD USED STANDARD CRANKSHAFT / ISB 190 24 VALVE WILL BE INSPECTED/ MAGNU-FLUXED., Serial#: 45727869, Core Charge: NA, Casting#: NA ConditionUsedWill Fit Year(s)1999Part Number3944243Stock Number120813 MLS Number12732520CategoryCrankshafts Last Updated3/26/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info