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New and Used Commercial Truck Engine Control Modules (ECM & ECU)

Discover new, used, and remanufactured Engine Control Modules (ECM) on MyLittleSalesman.com, with prices from $60 to $7,500. Filter by condition, price, or year to find the right Engine Control Module (ECM) by spec. Browse over 10,000 new, used, and remanufactured commercial truck ECMs and ECUs for sale. We carry engine control modules for all major heavy-duty and medium-duty engines, including Cummins ISX, Detroit DD15, Caterpillar C15, and vocational favorites like the International MaxxForce and Ford Powerstroke. Whether you need a replacement PCM for a delivery truck or a programmed ECM for a Class 8 semi, filter by engine make and model to find the exact module you need.
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Showing 1 - 25 of 11,279 Engine Control Module (ECM) Listings

1 - 25 of 11,279 listings
1 - 25 of 11,279 listings
Caterpillar C9 Diesel Engine Control Module ECM ECU 372-2906-00 229-8437

2013 Caterpillar C9 Diesel Engine Control Module ECM ECU 372-2906-00 229-8437

Newly Listed
$2,000 USD
(GOOD USED) OEM Caterpillar C9 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 372-2906-00; Supersession Part #: 229-8437; Stock #: E4495 For more information about this...
ConditionUsed
Part Number372-2906-00
Stock NumberE4495
MLS Number14309153
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins ISX12 Engine Control Module ECM ECU 4993120 4993121 CM2250

2011 Cummins ISX12 Engine Control Module ECM ECU 4993120 4993121 CM2250

Newly Listed
$1,000 USD
(GOOD USED/ TESTED) OEM 2011 Cummins ISX12 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4993120; Supersession Part #: 4993121; Service Model Name: CM2250; Stock #:...
ConditionUsed
Part Number4993120
Stock NumberE4494
MLS Number14309074
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins Engine Control Module (ECM) for a Kenworth T270

2016 Cummins Engine Control Module (ECM) for a Kenworth T270

Recently Updated
Contact for price
Engine Control Module (ECM), Good Condition. Call DTI Trucks for more information and a shipping quote. PN 5317106
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T270
Stock Number76363
MLS Number13798252
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
Paccar PX-7 Engine Control Module (ECM) for a Kenworth T280

2023 Paccar PX-7 Engine Control Module (ECM) for a Kenworth T280

Recently Updated
Contact for price
Engine Control Module (ECM), Good Condition. Ship Ready, Removed from a 2023 Kenworth T280. Call DTI Trucks for more information and a shipping quote.PN 5572391 SN 91052785
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T280
Stock Number75457
MLS Number13727746
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
International VT365 Engine Control Module (ECM)

International VT365 Engine Control Module (ECM)

Recently Updated
$250 USD
Good used, cleaned and inspected International Navistar VT365 FICM. Part Number: 1845117C6, 4307211R93. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed...
Quantity3
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)VT365
Part Number1845117C6
Stock NumberRyd 1845117C6
MLS Number10740793
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
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 Control Module (ECM) for a Cummins ISBCR5.9

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

Recently Updated
$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.
Quantity3
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISBCR5.9
Part Number4921776
Stock NumberRyd 4921776
MLS Number10205076
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Caterpillar 3126 Engine Control Module (ECM)

Caterpillar 3126 Engine Control Module (ECM)

Recently Updated
$800 USD
Good used, cleaned, tested and inspected CAT 3126 ECM. Part Number: 179-1747, 10R-8732. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your...
ConditionUsed
Fits To Make(s)CATERPILLAR
Fits To Model(s)3126
Part Number179-1747
Stock NumberRyd 179-1747
MLS Number10263033
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
(Used) Ecm's (Control Modules) Vehicle Ecms- Part Number: A-000-446-59-54/002,

(Used) Ecm's (Control Modules) Vehicle Ecms- Part Number: A-000-446-59-54/002,

Newly Listed
Contact for price
(Used) ECM's (Control Modules) VEHICLE ECMS- Part Number: A-000-446-59-54/002, Serial Number: A2C7423420300161920670, EVO EPA ROM, Control Module ACM2.1, 100044659541613371715000002000000000...
ConditionUsed
Part NumberA-000-446-59-54/002
Stock NumberP-502008
MLS Number14308062
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GM/Chev (HD) 8.1L Engine Control Module (ECM) for a 2003 GMC C7500

GM/Chev (HD) 8.1L Engine Control Module (ECM) for a 2003 GMC C7500

Newly Listed
Contact for price
(Used) 2003 GM/Chev (HD) 8.1L, ENGINE ECM- Part Number: 12580788, Serial Number: 86YDBS903119F107, HDW Number: 12575502, SERV.NO. 12581565, 2 Rectangular Plug with 80 Pins each, Reference...
ConditionUsed
Fits To Make(s)GMC
Fits To Model(s)C7500
Will Fit Year(s)2003
Part Number12580788
Stock NumberP-501999
MLS Number14308053
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Freightliner Cascadia 125 Engine Control Module (ECM)

2012 Freightliner Cascadia 125 Engine Control Module (ECM)

Recently Updated
$384.99 USD
(Core) 2012 Freightliner Cascadia 125, CHASSIS CONTROL MODULE- 2008-2018 Freightliner CASCADIA Part Number: A06-75982-000, 5DK 965456-40, AB SAM CHASSIS, HW: 09-26-00, SW: 09-31-05*), DIAG:...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2012
Part NumberA06-75982-000
Stock NumberP-95398
MLS Number13331930
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins OEM ISM Engine Control Module ECM ECU EPA07 4963807 4963808 CM876

2008 Cummins OEM ISM Engine Control Module ECM ECU EPA07 4963807 4963808 CM876

Newly Listed
$1,500 USD
(GOOD USED/TESTED) Cummins OEM ISM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4963808; Supersession Part #: 4963807; Service Model Name: ISM CM876; Stock #: E4493 For...
ConditionUsed
Part Number4963807
Stock NumberE4493
MLS Number14307211
CategoryEngine Control Modules (ECM)
Last Updated4/13/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins Engine Control Module (ECM) for a Cummins VARIOUS MODELS

Cummins Engine Control Module (ECM) for a Cummins VARIOUS MODELS

Recently Updated
$600 USD
Good used, cleaned, tested and inspected Cummins ISL G ECM. Part Number: 5491911, 5654089, 4354505, 4354539, 4354538. 30 day guarantee for swap or refund if not programmable. ECM's need to...
Quantity2
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)VARIOUS CUMMINS MODELS
Stock NumberRyd 5491911
MLS Number12928457
CategoryEngine Control Modules (ECM)
Last Updated4/11/2026
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 6.7L Engine Control Module (ECM) for a Cummins ISB6.7

Cummins ISB 6.7L Engine Control Module (ECM) for a Cummins ISB6.7

Recently Updated
$600 USD
Good used, cleaned, tested and inspected Cummins CM2250 ISB6.7 ECM. Part Number: 4993120,. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your...
Quantity3
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISB6.7
Part Number4993120
Stock NumberRyd 4993120
MLS Number12155582
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Detroit DD15 Engine Control Module (ECM)

Detroit DD15 Engine Control Module (ECM)

Recently Updated
$600 USD
Good used, cleaned and inspected Detroit DD15 ECM. Part Number: EA0014465835, EA0024460935. 30 day guarantee for swap or refund if not programmable. ECM's need to be programmed for your...
Quantity2
ConditionUsed
Fits To Make(s)DETROIT
Fits To Model(s)DD15
Part NumberEA0014465835
Stock NumberRyd EA0014465835
MLS Number12649130
CategoryEngine Control Modules (ECM)
Last Updated4/11/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
International MaxxForce 11 Engine Control Module (ECM) for a International MAXXFORCE 13

International MaxxForce 11 Engine Control Module (ECM) for a International MAXXFORCE 13

Recently Updated
$550 USD
Good used, cleaned and inspected International Navistar ECM for MAXXFORCE 11/13 engine . Part Number: 3007009C2. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be...
Quantity3
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)MAXXFORCE 13
Part Number3007009C2
Stock NumberRyd 3007009C2
MLS Number10284861
CategoryEngine Control Modules (ECM)
Last Updated4/11/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Cummins Engine Control Module (ECM) for a Cummins VARIOUS MODELS

Cummins Engine Control Module (ECM) for a Cummins VARIOUS MODELS

Recently Updated
$600 USD
Good used, cleaned, tested and inspected Cummins CM2150 ECM. Part Number: 4943134, 4940520,. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your...
Quantity19
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)VARIOUS CUMMINS MODELS
Part Number4943134
Stock NumberRyd 4943134
MLS Number10205058
CategoryEngine Control Modules (ECM)
Last Updated4/14/2026
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
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