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

Compare 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 choose the best Engine Control Module (ECM). 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 11,097 Engine Control Module (ECM) Listings

1 - 25 of 11,097 listings
1 - 25 of 11,097 listings
GM/Chev (HD) 6.0L Engine Control Module (ECM) for a 2012 Freightliner MT45

GM/Chev (HD) 6.0L Engine Control Module (ECM) for a 2012 Freightliner MT45

Newly Listed
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(Used) 2012 GM/Chev (HD) 6.0L, ENGINE ECM- Part Number: 12686539, Serial Number: 86ACD5K28305JHFH, Serv. Number: 12668991, ECM Model: E78, ACD5, 8305, 1 Rectangular Plug with 55 Pins, 1...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT45
Will Fit Year(s)2012
Part Number12686539
Stock NumberP-501430
MLS Number14284086
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis

Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis

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(Used) Cummins 2008 ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 26022450, CM850, D/C 07/29/2005, ESN 46517898, E/C Z90030.18, P4921776, 6EC8850A26022450, T2005, 2 Rectangular Plug...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT45 Chassis
Will Fit Year(s)2006
Part Number4921776
Stock NumberP-501427
MLS Number14284083
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT55 Chassis

Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT55 Chassis

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(Used) Cummins 2009 ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DK004894, P4943134, 2150DK004894, T2712, 2 Rectangular Plug with 60 Pins each, 1 Rectangular Plug with 4 Pins,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT55 Chassis
Will Fit Year(s)2009
Part Number4943134
Stock NumberP-501426
MLS Number14284082
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT45 Chassis

Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT45 Chassis

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(Used) Cummins 2009 ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DH036267, P4943134, 2150DH036267 T1778, 2 Rectangular Plug with 60 Pins each, 1 Rectangular Plug with 4 Pins,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT45 Chassis
Will Fit Year(s)2009
Part Number4943134
Stock NumberP-501425
MLS Number14284081
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Newly Listed
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(Used) Cummins 2008 ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DG020359, P4943134, 2150DG020359, T3447, 2 Rectangular Plug with 60 Pins each, 1 Rectangular Plug with 4 Pins,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT55 Chassis
Will Fit Year(s)2008
Part Number4943134
Stock NumberP-501424
MLS Number14284080
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GM/Chev (HD) 6.0L Engine Control Module (ECM) for a 2011 Workhorse Custom Chassis W62

GM/Chev (HD) 6.0L Engine Control Module (ECM) for a 2011 Workhorse Custom Chassis W62

Newly Listed
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(Used) 2011 GM/Chev (HD) 6.0L, ENGINE ECM- Part Number: 12640466 Serial Number: 86AAUSK01144910E, Serv. Number: 12616532, E78, 1144, J1 Rectangular Plug with 65 Pins, J2 Rectangular Plug...
ConditionUsed
Fits To Make(s)Workhorse Custom Chassis
Fits To Model(s)W62
Will Fit Year(s)2011
Part Number12640466
Stock NumberP-501423
MLS Number14284079
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Newly Listed
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(Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DG002657, DC: 0747 P4943134, 2150DG002657, T3027, 2 Rectangular Plug with 60 Pins each, 1 Rectangular Plug with...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT55 Chassis
Will Fit Year(s)2008
Part Number4943134
Stock NumberP-501422
MLS Number14284077
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Newly Listed
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(Used) Cummins 2008 ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DH009848, P4943134, 2150DH009848, T0408, 2 Rectangular Plug with 60 Pins each, 1 Rectangular Plug with 4 Pins,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT55 Chassis
Will Fit Year(s)2008
Part Number4943134
Stock NumberP-501421
MLS Number14284076
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

Newly Listed
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(Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DH082708, P4943134, 2150DH082708, T1889, 2 Rectangular Plug with 60 Pins each, 1 Rectangular Plug with 4 Pins,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT55 Chassis
Will Fit Year(s)2008
Part Number4943134
Stock NumberP-501420
MLS Number14284075
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISM Engine Control Module (ECM)

Cummins ISM Engine Control Module (ECM)

Newly Listed
Contact for price
(Core) Cummins ISM, ENGINE ECM- Part Number: 3408501, Serial Number: A30055561, Date Code: 0309, Reference images for condition, For more information about this item, give us a call. We...
ConditionUsed
Part Number3408501
Stock NumberP-501396
MLS Number14284050
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Isuzu NPR HD Engine Control Module (ECM)

2022 Isuzu NPR HD Engine Control Module (ECM)

Newly Listed
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2022 Isuzu 4HK1-TC Turbocharger Control Unit (TCU) For Sale, P/N: 8981628070, Used. Give us a shout by phone, email, or text. We ship everywhere.
ConditionUsed
Fits To Make(s)Isuzu
Fits To Model(s)NPR HD
Will Fit Year(s)2022
Part Number8981628070
Stock NumberIZ-0851-37
MLS Number14283971
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Isuzu NPR HD Engine Control Module (ECM)

2022 Isuzu NPR HD Engine Control Module (ECM)

Newly Listed
Contact for price
2022 Isuzu 4HK1-TC Aftertreatment Control Module (ACM) For Sale P/N: 0281020484, Used. Give us a shout by phone, email, or text. We ship everywhere.
ConditionUsed
Fits To Make(s)Isuzu
Fits To Model(s)NPR HD
Will Fit Year(s)2022
Part Number0281020484
Stock NumberIZ-0851-36
MLS Number14283969
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Cummins ISX12 Engine Control Module (ECM) for a 2011 Kenworth T800

Cummins ISX12 Engine Control Module (ECM) for a 2011 Kenworth T800

Newly Listed
$585 USD
Good used ECM from a Cummins ISX12 engine. The ECM has been visually inspected and is in good condition. The ECM has connectors attached, please refer to the photos provided. All bolt holes...
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2011
Part Number250108-16
Stock Number250108-16
MLS Number14283905
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX15 Engine Control Module (ECM)

Cummins ISX15 Engine Control Module (ECM)

Newly Listed
$585 USD
Good used ECM from a Cummins ISX/15 engine. The ECM has been visually inspected and is in good condition. The ECM has no visible damage, The connector are attached. All bolt holes are clean...
ConditionUsed
Part NumberP-1014388
Stock NumberP-1014388
MLS Number14283862
CategoryEngine Control Modules (ECM)
Last Updated4/3/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Freightliner Engine Control Module (ECM) for a Freightliner Cascadia 125

2011 Freightliner Engine Control Module (ECM) for a Freightliner Cascadia 125

Recently Updated
$595 USD
2011 Freightliner Cascadia 125 / DD15 Electronic CPC, Part # A0024468202 / 001, A2C53366146.
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Stock Number4537678
MLS Number13890153
CategoryEngine Control Modules (ECM)
Last Updated4/2/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
International DT466E Engine Control Module (ECM) for a International 4300

2005 International DT466E Engine Control Module (ECM) for a International 4300

Recently Updated
Contact for price
Engine Control Module (ECM), Good Condition. Call DTI Trucks for more information and a shipping quote. PN 3579251C2 SN 016096515
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)4300
Stock Number80140
MLS Number14255243
CategoryEngine Control Modules (ECM)
Last Updated4/2/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
New Flyer XDE40 Engine Control Module (ECM)

2012 New Flyer XDE40 Engine Control Module (ECM)

Newly Listed
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(Used) 2012 New Flyer XDE40, PROTRAN TECHNOLOGY ENGINE ECM- Part Number: 973.250.4176, Serial Number: 621003412, 101C STA NF, VOLT: 11-13.8 VDC Reference images for condition, For more...
ConditionUsed
Fits To Make(s)New Flyer
Fits To Model(s)XDE40
Will Fit Year(s)2012
Part Number973.250.4176
Stock NumberP-501329
MLS Number14281632
CategoryEngine Control Modules (ECM)
Last Updated4/2/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit Series 50 Engine Control Module (ECM)

Detroit Series 50 Engine Control Module (ECM)

Recently Updated
$1,360 USD
Nous livrons partout au Canada et États-Unis. We ship anywhere in Canada USA - Stock: 3553ECM - Detroit Série 50 60 Electronic Control Module - P/N : 23513553 / 23516923 / 23518465 /...
ConditionUsed
Part Number23513553 / 23516923 / 23518465 / 23519307 / 23519308
Stock Number3553ECM
MLS Number12178955
CategoryEngine Control Modules (ECM)
Last Updated4/2/2026
Location
Beauceville, QC, Canada
Sold By
Camions Gilbert
(888) 595-___  SHOW
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Camions Gilbert
Detroit DD13 Engine Control Module (ECM)

Detroit DD13 Engine Control Module (ECM)

Newly Listed
$800 USD
(GOOD USED) Detroit DD13 Diesel Engine Control Module, ECM, ECU, for sale!!!! Part #: A0054467740; MCM Part #: A0044463940; Stock #: E4488 For more information about this listing, shipping,...
ConditionUsed
Part NumberA0054467740
Stock NumberE4488
MLS Number14279183
CategoryEngine Control Modules (ECM)
Last Updated4/1/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins T680 Engine Control Module (ECM) for a Kenworth T680

2016 Cummins T680 Engine Control Module (ECM) for a Kenworth T680

Recently Updated
$275 USD
Kenworth / Paccar NH3 Cummins Electronic Interface Module, P/N 28340830, AD43V387, 28391671, 0915X1, ABWJA $275.00, This part is located at our Scranton, PA facility.
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T680
Stock Number28340830
MLS Number13077898
CategoryEngine Control Modules (ECM)
Last Updated4/1/2026
Location
Scranton, PA, US
Sold By
Boots and Hank's Truck Parts, Inc.
(833) 396-___  SHOW
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Boots and Hank's Truck Parts, Inc.
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