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

Browse new, used, and remanufactured Engine Control Modules (ECM) on MyLittleSalesman.com, with prices from $60 to $6,000. Quickly refine results with filters for condition, price, or year. 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 11,003 Engine Control Module (ECM) Listings

1 - 25 of 11,003 listings
1 - 25 of 11,003 listings
International MaxxForce 7 Engine Control Module (ECM)

International MaxxForce 7 Engine Control Module (ECM)

Recently Updated
$400 USD
Good used, cleaned and inspected International Maxxforce 7 ECM. Part Number: 1887351C1, 1887351C2. 30 day guarantee for swap or refund if not programmable. ECM's need to be programmed for...
Quantity28
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)MAXXFORCE 7
Part Number1887351C1
Stock NumberRyd 1887351C1
MLS Number11060748
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
International 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...
Quantity4
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)VT365
Part Number1845117C6
Stock NumberRyd 1845117C6
MLS Number10740793
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
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 DT Engine Control Module (ECM)

International MaxxForce DT Engine Control Module (ECM)

Recently Updated
$500 USD
Good used, cleaned and inspected International Navistar Maxxforce DT ECM. Part Number: 1881710C91, 1883086C93, 1873846C91, 1881710C91, 1883034C91, 1883086C91, 1883086C92, 1883086C93,...
Quantity2
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)MAXXFORCE DT
Part Number1881710C91
Stock NumberRyd 1881710C91
MLS Number10694898
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
Mack ETEC Engine Control Module (ECM)

Mack ETEC Engine Control Module (ECM)

Recently Updated
$500 USD
Good used, cleaned and inspected Mack ETEC ECM. Part Number: 12MS514M, 12MS517M, 12MS517AM, 12MS517BM. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed...
ConditionUsed
Fits To Make(s)MACK
Fits To Model(s)ETEC
Part Number12MS514M
Stock NumberRyd 12MS514M
MLS Number10205108
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
International DT466 EGR Engine Control Module (ECM) for a International DT 466EGR

International DT466 EGR Engine Control Module (ECM) for a International DT 466EGR

Recently Updated
$400 USD
Good used, cleaned and inspected International Navistar DT466EGR ECM. Part Number: 1839368C1. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your...
Quantity128
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)DT 466EGR
Part Number1839368C1
Stock NumberRyd 1839368C1
MLS Number10205069
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Detroit Series 60 14.0L Engine Control Module ECM ECU P23535798 6DD4408E07

Detroit Series 60 14.0L Engine Control Module ECM ECU P23535798 6DD4408E07

Newly Listed
$2,500 USD
(GOOD USED/ TESTED) Detroit Series 60 14.0L Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: P23535798; Motorola Part #: 6DD4408E07; Stock #: E4487 For more information about this...
ConditionUsed
Part NumberP23535798
Stock NumberE4487
MLS Number14275456
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Doosan Portable Controller Control Module 46651421

Doosan Portable Controller Control Module 46651421

Newly Listed
$2,000 USD
(GOOD USED ) Doosan Portable Control Module !!!!! Part #46651421 ; Stock #: E4484 For more information about this listing, shipping, technical questions email us atsales@jjrebuilders.comor...
ConditionUsed
Part Number46651421
Stock NumberE4484
MLS Number14271722
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis

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

Newly Listed
Contact for price
(Used) 2006 Cummins ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 38157906, D/C 07/22/20, ESN 60705632, E/C Z90030.23, P4921776, 6EC8850A38157906, T1730, 1 Rectangular Plug with 4...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT45 Chassis
Will Fit Year(s)2006
Part Number4921776
Stock NumberP-501195
MLS Number14275350
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
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 2012 Workhorse Custom Chassis W62

GM/Chev (HD) 6.0L Engine Control Module (ECM) for a 2012 Workhorse Custom Chassis W62

Newly Listed
Contact for price
(Used) 2012 GM/Chev (HD) 2018 6.0L, ENGINE ECM- Part Number: 12658390, Serial Number: 86AA7GK02159QUAC, E78, 12658390, AA7G, Serv.# 12643636 2159, 1 Rectangular Plug with 65 Pins, 1...
ConditionUsed
Fits To Make(s)Workhorse Custom Chassis
Fits To Model(s)W62
Will Fit Year(s)2012
Part Number12658390
Stock NumberP-501173
MLS Number14275327
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
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 Freightliner MT55

GM/Chev (HD) 6.0L Engine Control Module (ECM) for a 2011 Freightliner MT55

Newly Listed
Contact for price
(Used) 2011GM/Chev (HD) 6.0L, ENGINE ECM- Part Number: 12658390, Serial Number: 86ABUPK25153CDDH, E78, 12658390, ABUP, Serv.# 12643636 5153, 1 Rectangular Plug with 65 Pins, 1 Rectangular...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT55
Will Fit Year(s)2011
Part Number12658390
Stock NumberP-501169
MLS Number14275323
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISL9 Engine Control Module ECM ECU 4358814 4358817 CM2350

2016 Cummins ISL9 Engine Control Module ECM ECU 4358814 4358817 CM2350

Newly Listed
$1,000 USD
(GOOD USED/ TESTED) Cummins OEM ISL9 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4358814; Supersession Part #: 4358817; Service Model Name: ISL9 CM2350 L101; Stock #:...
ConditionUsed
Part Number4358814
Stock NumberE4486
MLS Number14274743
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Mack MP7 Diesel Engine Control Module ECM ECU 21358126

2012 Mack MP7 Diesel Engine Control Module ECM ECU 21358126

Newly Listed
$2,000 USD
(GOOD USED) Mack MP7 Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 21358126; Supersession Part #: 2130060, 20583789, 20977021, 21042371, 21107008, 21358126, 85003744, 85013244,...
ConditionUsed
Part Number21358126
Stock NumberE4485
MLS Number14274728
CategoryEngine Control Modules (ECM)
Last Updated3/31/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins ISX15 Engine Control Module (ECM) for a Kenworth T680

2016 Cummins ISX15 Engine Control Module (ECM) for a Kenworth T680

Recently Updated
$975 USD
(USED) Cummins ISX15 Serial #: 79865977 CPL/Arr: CPL 4583 HP: 400 Ref# 5317106 TESTED
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T680
Part Number5317106
Stock Number25796309
MLS Number13579521
CategoryEngine Control Modules (ECM)
Last Updated3/29/2026
Location
Council Bluffs, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
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