2 0 Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISB5.9 $450 USD Good used, cleaned, tested and inspected Cummins ISB5.9 ECM. Part number: 3990517 30 day guarantee for swap or refund if not programmable. ECM's need to be programmed to your application Quantity2ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISB5.9Part Number3990517Stock NumberRyd 3990517 MLS Number13644587CategoryEngine Control Modules (ECM) Last Updated11/7/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Cummins ISB 5.9L Front Engine Cover for a Cummins ISB5.9 $150 USD Good used, cleaned and inspected Cummins ISB Front Cover. Part Number: 3941532, 3943379, 3976697 ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISB5.9Stock NumberRyd 3943379 MLS Number10203949CategoryFront Engine Covers Last Updated8/13/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Cummins ISB 5.9L Valve Cover for a Cummins ISB5.9 $40 USD Good used, cleaned and inspected Cummins ISB5.9 Valve Cover. Part Number: 3945798, 3941788 ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISB5.9Part Number3945798Stock NumberRyd 3945798 MLS Number10204208CategoryValve Covers Last Updated5/31/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 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 Updated5/30/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 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 Updated5/28/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 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 Updated5/29/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Cummins ISB 5.9L Camshaft $200 USD Good used, cleaned and inspected Cummins ISBCR 5.9L camshaft, Part number: 3954099, 3979506, 4896421. 30 day guarantee for swap or refund. ConditionUsedPart Number3954099Stock NumberRyd 3954099 MLS Number10652810CategoryCamshafts Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Cummins ISB 5.9L Front Engine Cover $200 USD Good used, cleaned and inspected Cummins ISBCR 5.9L front cover, Part number: 4936871 Quantity4ConditionUsedStock NumberRyd 4936871 MLS Number10697670CategoryFront Engine Covers Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Cummins ISB 5.9L Engine Oil Pan $200 USD Good used, cleaned and inspected Cummins ISB5.9 Oil Pan. Part Number: 3915703, 3355068, 3900960 ConditionUsedPart Number3915703Stock NumberRyd 3915703 MLS Number10204045CategoryEngine Oil Pans Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Cummins ISB 5.9L Engine Oil Pan $200 USD Good used, cleaned and inspected Cummins ISB5.9 Oil Pan. Part Number: 3916614, 3915269 ConditionUsedPart Number3916614Stock NumberRyd 3916614 MLS Number10238376CategoryEngine Oil Pans Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Cummins ISB 5.9L Engine Harmonic Balancer $75 USD Good used, cleaned and inspected Cummins ISB5.9 Common Rail Harmonic Balancer. Part Number: 3954927 ConditionUsedPart Number3954927Stock NumberRyd 3954927 MLS Number10204019CategoryEngine Harmonic Balancers Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Cummins ISB 5.9L Front Engine Cover $150 USD Good used, cleaned and inspected Cummins ISB5.9 Front Cover. Part Number: 3941910, 3941911 ConditionUsedStock NumberRyd 3941910 MLS Number10203938CategoryFront Engine Covers Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Cummins ISB 5.9L Engine Harmonic Balancer $75 USD Good used, cleaned and inspected Cummins ISB5.9 Common Rail Harmonic Balancer. Part Number: 3954921, 3954927 ConditionUsedPart Number3954927Stock NumberRyd 3954921 MLS Number10204016CategoryEngine Harmonic Balancers Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Cummins ISB 5.9L Front Engine Cover $200 USD Good used, cleaned and inspected Cummins ISB5.9 Common Rail Front Cover. Part Number: 3954693, 3965348, 4936871, 5333034 Quantity5ConditionUsedStock NumberRyd 3965348 MLS Number10203943CategoryFront Engine Covers Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Cummins ISB 5.9L Front Engine Cover $150 USD Good used, cleaned and inspected Cummins ISB5.9 Front Cover. Part Number: 3941824 Quantity2ConditionUsedStock NumberRyd 3941824 MLS Number10203945CategoryFront Engine Covers Last Updated1/8/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Cummins ISB 5.9L Camshaft $175.50 USD New Aftermarket Cummins Camshaft Application:, Cummins ISB 6-Cylinders Engine Covered for 1 year – up to 100,000 miles / 160,984 km, or 1,200 hours, whichever occurs first, providing the... ConditionNewPart NumberAK-3954099Stock NumberAKM 3954099 MLS Number11200304CategoryCamshafts Last Updated10/21/2023 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info