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Cummins QSB 4.5 Engine Parts For Sale

Shop new and used Cummins QSB 4.5 Engine Parts on MyLittleSalesman.com . Compare active listings with prices from $750 to $1,000. Sellers include JJ Rebuilders and Frontier Truck Parts. Filter by condition, price, or year to find the Cummins QSB 4.5 Engine Part that fits your job.
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Truck Parts (22)
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Engine Parts (22)
   Engine Control Modules (ECM) (16)    Engine Overhaul Kits (6)
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Cummins (22)
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QSB (22)
   QSB 4.5 (22)
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Showing 1 - 22 of 22 Engine Part Listings

1 - 22 of 22 listings
1 - 22 of 22 listings
2018 Cummins QSB 4.5 Engine Control Module (ECM)

2018 Cummins QSB 4.5 Engine Control Module (ECM)

$750 USD
(GOOD USED/ TESTED) Cummins OEM QSB 4.5 Diesel Engine Control Module, ECM, ECM, for sale!!!!! P/N: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4432 For more...
ConditionUsed
Part Number4921776
Stock NumberE4432
MLS Number14148078
CategoryEngine Control Modules (ECM)
Last Updated2/18/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins QSB4.5 Diesel Engine Control Module ECM ECU 4921776 4921797 CM850

2011 Cummins QSB4.5 Diesel Engine Control Module ECM ECU 4921776 4921797 CM850

$750 USD
(GOOD USED/ TESTED) OEM Cummins QSB4.5Diesel Engine Control Module, ECM, ECU, for sale!!!!! P/N: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4366 For more...
ConditionUsed
Part Number4921776
Stock NumberE4366
MLS Number14010214
CategoryEngine Control Modules (ECM)
Last Updated12/3/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2016 Cummins QSB 4.5 Engine Control Module (ECM)

2016 Cummins QSB 4.5 Engine Control Module (ECM)

$1,000 USD
(GOOD USED/ TESTED) Cummins QSB4.5 OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!Part #'s: 4993120, Supersession Part #: 4993121; Service Model Name: CM2250; Stock #: E4363 For...
ConditionUsed
Part Number4993120
Stock NumberE4363
MLS Number14008169
CategoryEngine Control Modules (ECM)
Last Updated12/2/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins QSB4.5L Engine Control Module ECM ECU 4921776 CM850 CM2850

2007 Cummins QSB4.5L Engine Control Module ECM ECU 4921776 CM850 CM2850

$750 USD
(GOOD USED/ TESTED) Cummins QSB4.5 OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 4921776; Service Model Name: CM850(CM2850); Stock #: E4321 For more information about this...
ConditionUsed
Part Number4921776
Stock NumberE4321
MLS Number13929548
CategoryEngine Control Modules (ECM)
Last Updated10/28/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins QSB 4.5 Engine Control Module (ECM)

Cummins QSB 4.5 Engine Control Module (ECM)

$750 USD
(GOOD USED/ TESTED) OEM Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, Part #: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4204 For more information...
ConditionUsed
Part Number4921776
Stock NumberE4204
MLS Number13662480
CategoryEngine Control Modules (ECM)
Last Updated6/25/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins QSB 4.5 Engine Control Module (ECM)

Cummins QSB 4.5 Engine Control Module (ECM)

$750 USD
(GOOD USED/ TESTED) OEM Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 4921776; Service Model Name: CM850(CM2850); Stock #: E4032 For more information about this...
ConditionUsed
Part Number4921776
Stock NumberE4032
MLS Number13356111
CategoryEngine Control Modules (ECM)
Last Updated1/22/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM 2008 Cummins QSB4.5 Engine Control Module, ECM, ECU, 4921776, 4921797, CM850

OEM 2008 Cummins QSB4.5 Engine Control Module, ECM, ECU, 4921776, 4921797, CM850

$750 USD
(GOOD USED/ TESTED) OEM 2008 Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #:...
ConditionUsed
Part Number4921776
Stock NumberE3913
MLS Number13121321
CategoryEngine Control Modules (ECM)
Last Updated9/19/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM Cummins QSB4.5 Engine Control Module, ECM, ECU, 4921776, 4921797, CM850

2008 OEM Cummins QSB4.5 Engine Control Module, ECM, ECU, 4921776, 4921797, CM850

$750 USD
(GOOD USED/ TESTED) OEM 2008 Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part # 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E3898 For...
ConditionUsed
Fits To Make(s)Cummins
Fits To Model(s)QSB4.5
Part Number4921776
Stock NumberE3898
MLS Number13090948
CategoryEngine Control Modules (ECM)
Last Updated9/4/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2012 Cummins QSB 4.5 Engine Control Module (ECM)

2012 Cummins QSB 4.5 Engine Control Module (ECM)

$1,000 USD
(GOOD USED/ TESTED) OEM Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4993120; Supersession Part #: 4993121; Service Model Name: CM2250; Stock #: E3265 For...
ConditionUsed
Part Number4993120
Stock NumberE3265
MLS Number11995906
CategoryEngine Control Modules (ECM)
Last Updated5/13/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM Cummins QSB 4.5, 5.5, 6.7 Engine Control Module, ECM, ECM, 4921776, 4921797

OEM Cummins QSB 4.5, 5.5, 6.7 Engine Control Module, ECM, ECM, 4921776, 4921797

$750 USD
(GOOD USED) OEM Cummins QSB 4.5, 5.5, 6.7 Engine Control Module, ECM, ECM, for sale!!!!P/N: 4921776; Supersession PN:4921797; Service Model Name: CM850 / CM2850; Stock #: E3676 For more...
ConditionUsed
Part Number4921776
Stock NumberE3676
MLS Number12667184
CategoryEngine Control Modules (ECM)
Last Updated2/29/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM Cummins QSB 4.5, 5.5, 6.7 Engine Control Module, ECM, ECM, 4921776, 4921797

2007 OEM Cummins QSB 4.5, 5.5, 6.7 Engine Control Module, ECM, ECM, 4921776, 4921797

$750 USD
(GOOD USED/TESTED) OEM Cummins QSB 4.5, 5.5, 6.7 Engine Control Module, ECM, ECM, for sale!!!!P/N: 4921776; Supersession PN:4921797; Service Model Name: CM850 / CM2850; Stock #: E3668 For...
ConditionUsed
Part Number4921776
Stock NumberE3668
MLS Number12655671
CategoryEngine Control Modules (ECM)
Last Updated2/23/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
Cummins QSB 4.5 Engine Control Module (ECM)

Cummins QSB 4.5 Engine Control Module (ECM)

$750 USD
(GOOD USED/ TESTED) Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4921776; Service Model Name: CM850; Stock #: E3507 For more information about this listing,...
ConditionUsed
Part Number4921776
Stock NumberE3507
MLS Number12374150
CategoryEngine Control Modules (ECM)
Last Updated10/12/2023
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins QSB 4.5L Diesel Engine Control Module, ECM, ECU, 4921776,4921797 CM850

2011 Cummins QSB 4.5L Diesel Engine Control Module, ECM, ECU, 4921776,4921797 CM850

$750 USD
(GOOD USED/ TESTED) 2011 Cummins QSB 4.5L Diesel Engine Control Module, ECM, ECU, Part #: 4921776;Supersession #:4921797;Service Model Name: CM850(2850); Stock #: E3375 For more information...
ConditionUsed
Part Number4921776
Stock NumberE3375
MLS Number12182762
CategoryEngine Control Modules (ECM)
Last Updated7/18/2023
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
OEM Cummins QSB 4.5L Diesel Engine Control Module, ECM, ECU, 4921776,4921797

2012 OEM Cummins QSB 4.5L Diesel Engine Control Module, ECM, ECU, 4921776,4921797

$750 USD
(GOOD USED/TESTED) OEM Cummins QSB 4.5L Diesel Engine Control Module, ECM, ECU, for sale!!!!Part # 4921776; Supersession Part # 4921797 Service Model Name CM850(CM2850), Stock #: E3321 For...
ConditionUsed
Part Number4921776
Stock NumberE3321
MLS Number12076791
CategoryEngine Control Modules (ECM)
Last Updated5/22/2023
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
2012 Cummins QSB 4.5 Engine Control Module (ECM) for CM2250

2012 Cummins QSB 4.5 Engine Control Module (ECM) for CM2250

$1,000 USD
(GOOD USED/ TESTED) OEM 2012 Cummins QSB4.5L Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4993120; Supersession Part #: 4993121; Service Model Name: CM2250; Stock #:...
ConditionUsed
Fits To Model(s)CM2250
Part Number4993120
Stock NumberE2741
MLS Number11384428
CategoryEngine Control Modules (ECM)
Last Updated5/13/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
2011 Cummins QSB 4.5 Engine Control Module (ECM) for CM850 / CM2850

2011 Cummins QSB 4.5 Engine Control Module (ECM) for CM850 / CM2850

$1,000 USD
(NEW) OEM 2011 Cummins QSB4.5 Computer Module, ECM, ECU, for sale!!!!, P/N: 4921797, 4921776, CM850 / CM2850, Stock #: E1958 For more information about this listing, shipping,...
ConditionNew
Will Fit Year(s)CM850 / CM2850
Part Number4921797
Stock NumberE1958
MLS Number10245229
CategoryEngine Control Modules (ECM)
Last Updated6/26/2020
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
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JJ Rebuilders Inc.
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