1. Home
  2. For Sale
  3. Truck Parts
  4. Engine Parts
  5. Engine Control Modules (ECM)
  6. Cummins
  7. QSB

Cummins QSB Engine Control Modules (ECM) For Sale

Shop new and used Cummins QSB Engine Control Modules (ECM) on MyLittleSalesman.com . Compare active listings with prices from $200 to $1,500. Sellers include JJ Rebuilders, CA Truck Parts, LKQ Heavy Truck, and more. Filter by condition, price, or year to find the Cummins QSB Engine Control Module (ECM) that fits your job.
Close
Your Current Search
Industry
Truck Parts
Top-Category
Engine Parts
Category
Engine Control Modules (ECM)
Manufacturer
Cummins
Model
QSB
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Truck Parts (50)
Category
   Engine Control Modules (ECM) (50)
Make
Cummins (50)
Condition
Model Year
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (50)
State / Region
Select a state below and click Refine Results.




Seller Type
Dealerships (50)
Market Type
For Sale (50)

Quick Filters

Showing 1 - 25 of 50 Engine Control Module (ECM) Listings

1 - 25 of 50 listings
1 - 25 of 50 listings
Cummins QSB 3.3 Engine Control Module (ECM)

Cummins QSB 3.3 Engine Control Module (ECM)

Newly Listed
$1,000 USD
(GOOD USED/ TESTED) Cummins QSB3.3 Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 4993120; Supersession Part #: 4993121; Service Model Name: CM2250; Stock #: E4437 For more...
ConditionUsed
Part Number4993120
Stock NumberE4437
MLS Number14149957
CategoryEngine Control Modules (ECM)
Last Updated2/18/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
2018 Cummins QSB 4.5 Engine Control Module (ECM)

2018 Cummins QSB 4.5 Engine Control Module (ECM)

Newly Listed
$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
NUMBERCall Seller
Email Seller
Save
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
NUMBERCall Seller
Email Seller
Save
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
NUMBERCall Seller
Email Seller
Save
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
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
Cummins QSB Computer Module ECM ECU 4993120 4993121 CM2250

Cummins QSB Computer Module ECM ECU 4993120 4993121 CM2250

$1,000 USD
(GOOD USED/ TESTED) Cummins QSB OEM Diesel Engine Control Module, ECM, ECU Part #: 4993120;Supersession Part #: 4993121;Service Model Name: CM2250 ;Stock #: E4260 For more information about...
ConditionUsed
Part Number4993120
Stock NumberE4260
MLS Number13790042
CategoryEngine Control Modules (ECM)
Last Updated9/2/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
2007 Cummins QSB 6.7 Engine Control Module (ECM) for 2007-2009 Part # 4921776, CM850

2007 Cummins QSB 6.7 Engine Control Module (ECM) for 2007-2009 Part # 4921776, CM850

$695 USD
(GOOD USED BENCH TESTED w/WARRANTY) 2007 Cummins QSB 6.7L Engine Control Module (ECM) CM850 4921776 For Sale, CM850, 160HP @ 2200RPM, Off 2007 Cummins QSB6.7L w/ Engine Serial# 46788929 ...
ConditionUsed
Will Fit Year(s)2007-2009
Part Number4921776
Stock Number9469
MLS Number13762519
CategoryEngine Control Modules (ECM)
Last Updated8/15/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
Email Seller
Save
CA Truck Parts Inc.
2006 Cummins QSB-155C Engine Control Module (ECM) for 2004-2006 Part # 3990517, CM550

2006 Cummins QSB-155C Engine Control Module (ECM) for 2004-2006 Part # 3990517, CM550

$600 USD
(GOOD USED BENCH TESTED W/ WARRANTY) 2006 Cummins QSB5.9 CM550 Engine Control Module (ECM) 3990517 For Sale, NON-EGR Model, CM550, Part # 3990517, ECM Code J91703.07, CPL 8300, 155HP @ 2600...
ConditionUsed
Will Fit Year(s)2004-2006
Part Number3990517
Stock Number9352
MLS Number13740263
CategoryEngine Control Modules (ECM)
Last Updated8/4/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
Email Seller
Save
CA Truck Parts 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
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
2013 Cummins QSB 6.7 Engine Control Module, ECM, ECM 4993120, 4993121, CM2250

2013 Cummins QSB 6.7 Engine Control Module, ECM, ECM 4993120, 4993121, CM2250

$1,000 USD
(GOOD USED/TESTED) 2013 Cummins QSB 6.7L Diesel Engine Control Module, ECM, ECM, for sale!!!!P/N: 4993120, Supersession Part #: 4993121; Service Model Name: QSB6.7 CM2250; Stock #: E4176 For...
ConditionUsed
Part Number4993120
Stock NumberE4176
MLS Number13612691
CategoryEngine Control Modules (ECM)
Last Updated5/30/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
2011 Cummins QSB Engine Control Module (ECM)

2011 Cummins QSB Engine Control Module (ECM)

$750 USD
(GOOD USED/ TESTED) Cummins OEM QSB 4.5 Diesel Engine Control Module, ECM, ECU OEM, for sale!!!!! P/N: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4117 For...
ConditionUsed
Part Number4921776
Stock NumberE4117
MLS Number13497988
CategoryEngine Control Modules (ECM)
Last Updated4/7/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
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
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
Cummins QSB 6.7 Engine Control Module (ECM)

Cummins QSB 6.7 Engine Control Module (ECM)

$1,000 USD
CUMMINS QSB 6.7 Engine ECM - P/N P4921776; T0487; 6EC8850A32042955.Used Engine Electronic Control Module pulled and listed in good working condition. Message with any questions.
ConditionUsed
Part NumberP4921776
Stock Number3491
MLS Number13155984
CategoryEngine Control Modules (ECM)
Last Updated10/23/2024
Location
Springville, PA, US
Sold By
Summit Core Supply
(844) 329-___  SHOW
NUMBERCall Seller
Email Seller
Save
Summit Core Supply
Cummins QSB 6.7 Engine Control Module (ECM)

Cummins QSB 6.7 Engine Control Module (ECM)

$1,000 USD
CUMMINS 6.7 QSB Engine ECM - P/N P4921776; CPL 1629; S/N 6EC8858A3419908; 192 HP.Used Engine Electronic Control Module pulled and listed in good working condition. Message with any questions...
ConditionUsed
Horse Power192 HP
Part NumberP4921776
Stock Number3487
MLS Number13155953
CategoryEngine Control Modules (ECM)
Last Updated10/23/2024
Location
Springville, PA, US
Sold By
Summit Core Supply
(844) 329-___  SHOW
NUMBERCall Seller
Email Seller
Save
Summit Core Supply
2018 Cummins QSB 6.7 Engine Control Module (ECM)

2018 Cummins QSB 6.7 Engine Control Module (ECM)

$1,000 USD
CUMMINS 6.7 QSB Engine ECM - P/N P4021776; S/N 38096736; 2018; 220 HP.Used Engine Electronic Control Module pulled and listed in good working condition. Message with any questions.
ConditionUsed
Horse Power220 HP
Part NumberP4021776
Stock Number3486
MLS Number13155949
CategoryEngine Control Modules (ECM)
Last Updated10/23/2024
Location
Springville, PA, US
Sold By
Summit Core Supply
(844) 329-___  SHOW
NUMBERCall Seller
Email Seller
Save
Summit Core Supply
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
NUMBERCall Seller
Email Seller
Save
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
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
Cummins QSB Engine Control Module (ECM) for 6.7L, 4.5L, 5.5L

Cummins QSB Engine Control Module (ECM) for 6.7L, 4.5L, 5.5L

$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 Part #: 4921797; Service Model Name: CM850 / CM2850; Stock #:...
ConditionUsed
Fits To Model(s)6.7L, 4.5L, 5.5L
Part Number4921776
Stock NumberE2117
MLS Number10581729
CategoryEngine Control Modules (ECM)
Last Updated9/4/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
2010 Cummins QSB 6.7 Engine Control Module (ECM) for CM850 (CM2850)

2010 Cummins QSB 6.7 Engine Control Module (ECM) for CM850 (CM2850)

$750 USD
(GOOD USED/ TESTED) OEM 2010 Cummins QSB6.7 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part # 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E2926 For...
ConditionUsed
Fits To Model(s)CM850 (CM2850)
Part Number4921776
Stock NumberE2926
MLS Number11580226
CategoryEngine Control Modules (ECM)
Last Updated9/4/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
2011 Cummins QSB6.7 Engine Computer Module, ECM, ECU, 4921776,4921797, CM850

2011 Cummins QSB6.7 Engine Computer Module, ECM, ECU, 4921776,4921797, CM850

$750 USD
(GOOD USED/ TESTED) OEM Cummins QSB6.7L Engine Computer Module, ECM, ECU, for sale!!!! P/N: 4921797; Supersession Part #: 4921776; Service Model Name: CM850(CM2850); Stock #: E3526 For more...
ConditionUsed
Part Number4921776
Stock NumberE3526
MLS Number12399042
CategoryEngine Control Modules (ECM)
Last Updated5/31/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
2016 Cummins QSB 3.3 Engine Control Module ECM ECM 4993120 4993121 CM850 CM2250

2016 Cummins QSB 3.3 Engine Control Module ECM ECM 4993120 4993121 CM850 CM2250

$1,500 USD
(NEW/ TESTED) 2016 Cummins QSB 3.3L Diesel Engine Control Module, ECM, ECM, for sale!!!!P/N: 4993120, Supersession Part #: 4993121; Service Model Name: QSB3.3 CM2250; Stock #: E3251 For more...
ConditionNew
Part Number4993120
Stock NumberE3251
MLS Number11977637
CategoryEngine Control Modules (ECM)
Last Updated5/14/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
Email Seller
Save
JJ Rebuilders Inc.
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for? Yes No
Got a engine control module (ecm) to sell? In minutes, you can create an online listing for your engine control module (ecm) and advertise it to thousands of buyers.
Start selling today