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Cummins ISB 5.9L Engine & Powertrain For Sale

The Cummins ISB 5.9L ranges in price from as low as $10 up to $2,175 based on MyLittleSalesman.com marketplace data.
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Showing 1 - 25 of 206 Listings

1 - 25 of 206 listings
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Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISB5.9

Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISB5.9

$500 USD
Good used, cleaned, tested and inspected Cummins ISB5.9 ECM. Part Number: 3944124, 3945868, 3990517. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for...
Quantity2
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISB5.9
Part Number3944124
Stock NumberRyd 3944124
MLS Number10205094
CategoryEngine Control Modules (ECM)
Last Updated3/10/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISBCR5.9

Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISBCR5.9

$500 USD
Good used, cleaned, tested and inspected Cummins ISB5.9 ECM. Part Number: 4921776. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.
Quantity2
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISBCR5.9
Part Number4921776
Stock NumberRyd 4921776
MLS Number10205076
CategoryEngine Control Modules (ECM)
Last Updated2/17/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Cummins ISB 5.9L Engine Harmonic Balancer for a Cummins ISBCR5.9

Cummins ISB 5.9L Engine Harmonic Balancer for a Cummins ISBCR5.9

$75 USD
Good used, cleaned and inspected Cummins ISB5.9 Common Rail Harmonic Balancer. Part Number: 3954927
Quantity2
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISBCR5.9
Part Number3954927
Stock NumberRyd 3954927
MLS Number10204019
CategoryEngine Harmonic Balancers
Last Updated1/31/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISBCR5.9

Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISBCR5.9

$200 USD
Good used, cleaned and inspected Cummins ISBCR5.9 ECM cooling plate. Part number: 3955039.
Quantity3
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISBCR5.9
Part Number3955039
Stock NumberRyd 3955039
MLS Number14110963
CategoryEngine Control Modules (ECM)
Last Updated1/27/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
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Rydemore Heavy Duty Truck Parts
Cummins ISB 5.9L Engine Control Module (ECM) for a Cummins ISB5.9

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
Quantity2
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISB5.9
Part Number3990517
Stock NumberRyd 3990517
MLS Number13644587
CategoryEngine Control Modules (ECM)
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
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Rydemore Heavy Duty Truck Parts
Cummins ISB 5.9L Camshaft for a Cummins ISBCR5.9

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.
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISBCR5.9
Part Number3954099
Stock NumberRyd 3954099
MLS Number10652810
CategoryCamshafts
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
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Rydemore Heavy Duty Truck Parts
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