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

Shop new, used, and remanufactured Engine Control Modules (ECM) on MyLittleSalesman.com, with prices from $60 to $7,500. Compare specs using filter by 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
1998 Cummins ISM Engine Control Module (ECM) CM570 PRE-EGR

1998 Cummins ISM Engine Control Module (ECM) CM570 PRE-EGR

Recently Updated
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(GOOD USED/TESTED) 1998 Cummins ISM ECM CM570, Part # 3680509, (NON-EGR Model) Engine Control Module, 330HP, CPL 2199, ECM Serial # 7003956, PRE-EGR, ECM Code L20045.06, Engine Serial #...
ConditionUsed
CPL/ARR2199
Horse Power330 HP
Engine ModelISM
Part Number3680509
Stock NumberECM0172
MLS Number9510258
CategoryEngine Control Modules (ECM)
Last Updated3/19/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Cummins OEM ISL Engine Control Module ECM ECU 4943134 4943136 CM2150

2009 Cummins OEM ISL Engine Control Module ECM ECU 4943134 4943136 CM2150

Newly Listed
$750 USD
(GOOD USED/ TESTED) Cummins OEM ISL Diesel Engine Control Module, ECM, ECU, Part #: 4943134; Supersession Part #: 4943136; Service Model Name: CM2150; Stock #: E4468 For more information...
ConditionUsed
Part Number4943134
Stock Numbere4468
MLS Number14251941
CategoryEngine Control Modules (ECM)
Last Updated3/18/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins ISL Engine Control Module (ECM)

Cummins ISL Engine Control Module (ECM) Being Dismantled (Parts Available)

Newly Listed
$250 USD
(CORE/ FOR PARTS OR NOT WORKING) Cummins ISL Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4469 For...
ConditionDismantled
Part Number4921776
Stock NumberE4469
MLS Number14251255
CategoryEngine Control Modules (ECM)
Last Updated3/18/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
International VT365 Engine Control Module (ECM) for a 2005 Ic Corporation 1652-SC

International VT365 Engine Control Module (ECM) for a 2005 Ic Corporation 1652-SC

Newly Listed
Contact for price
(Used) 2005 International VT365, ENGINIE ECM- Part Number: 1839368C4, Serial Number: 6736877, Model: 5WY7194/05--, 4 Rectangular Plugs with 24 Pins each, Stock #P-81408 ECM, Reference images...
ConditionUsed
Fits To Make(s)IC Corporation
Fits To Model(s)1652-SC
Will Fit Year(s)2005
Part Number1839368C4
Stock NumberP-500497
MLS Number14250259
CategoryEngine Control Modules (ECM)
Last Updated3/18/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
International VT365 Engine Control Module (ECM) for a 2005 Ic Corporation 1652-SC

International VT365 Engine Control Module (ECM) for a 2005 Ic Corporation 1652-SC

Newly Listed
Contact for price
(Used) 2005 International VT365, ENGINE ECM- (Truck International 4200, IC Corporation 1652-SC) Part Number: 1845117C7, Serial number: 6736241, 5WY7248/07--, 2 Rectangular Plugs with 16 Pins...
ConditionUsed
Fits To Make(s)IC Corporation
Fits To Model(s)1652-SC
Will Fit Year(s)2005
Part Number1845117C7
Stock NumberP-500494
MLS Number14250256
CategoryEngine Control Modules (ECM)
Last Updated3/18/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Mack AI / AMI ASET Engine Control Module (ECM) for 2004-2007 Part # 12MS530AM, 20938264, 0 281 020 510

Mack AI / AMI ASET Engine Control Module (ECM) for 2004-2007 Part # 12MS530AM, 20938264, 0 281 020 510

Newly Listed
$600 USD
(GOOD USED w/WARRANTY) 2004-2007 Mack AI Engine Control Module (ECM) 12MS530AM For Sale, 12V, Part # 12MS530AM, 20938264, Bosch Part # 0 281 020 510, 0281020510, Serial # 07916, Stock #...
ConditionUsed
Will Fit Year(s)2004-2007
Part Number12MS530AM, 0 281 020 510
Stock Number10031
MLS Number14250213
CategoryEngine Control Modules (ECM)
Last Updated3/18/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
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CA Truck Parts Inc.
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