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

Explore marketplace listings for 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 see work-ready Engine Control Modules (ECM) available near you now.
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 11,012 Engine Control Module (ECM) Listings

1 - 25 of 11,012 listings
1 - 25 of 11,012 listings
Used Detroit Diesel DDEC VI ECM

2008 Used Detroit Diesel DDEC VI ECM

Newly Listed
$900 USD
Used DDEC VI ECM, Engine Model: Series 60 DDEC VI 14.0L
ConditionUsed
Engine ModelSeries 60 DDEC VI 14.0L
Fits To Make(s)Detroit Diesel
Fits To Model(s)Series 60 DDEC VI 14.0L
Will Fit Year(s)2008
Part NumberA0054462240
Stock Number509-17276
MLS Number14256027
CategoryEngine Control Modules (ECM)
Last Updated3/20/2026
Location
Dorr, MI, US
Sold By
Frontier Truck Parts
(855) 300-___  SHOW
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Frontier Truck Parts
Cummins ISB Engine Control Module (ECM)

Cummins ISB Engine Control Module (ECM)

Newly Listed
$1,000 USD
(GOOD USED/ TESTED) Cummins ISB Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 3990517; Supersession Part #: 3944124, 3945868; Service Model Name: CM550; Stock #: E4472 For more...
ConditionUsed
Part Number3990517
Stock NumberE4472
MLS Number14255678
CategoryEngine Control Modules (ECM)
Last Updated3/19/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Detroit DD15 Engine Control Module (ECM) for a Freightliner Cascadia 126

2018 Detroit DD15 Engine Control Module (ECM) for a Freightliner Cascadia 126

Recently Updated
Contact for price
CPC (CPC3Evo) for 2018 Cascadia 126 with Detroit EPA 2017 DD15 Engine. P/N A0044462502 / 004, A2C87390106.
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number1615-14
MLS Number13895045
CategoryEngine Control Modules (ECM)
Last Updated3/19/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Volvo VNL Engine Control Module (ECM)

2014 Volvo VNL Engine Control Module (ECM)

Recently Updated
$275 USD
2014 Volvo VNL Aftertreatment Control Module, ACM, P/N 21870087-P02 (Replaced By 22449432), S/N 13372163, Continental P/N A2C8296900100.
ConditionUsed
Fits To Make(s)VOLVO
Fits To Model(s)VNL
Stock NumberUPS-31251-21
MLS Number13889361
CategoryEngine Control Modules (ECM)
Last Updated3/19/2026
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

Newly Listed
Contact for price
Engine Control Module (ECM), Good Condition. Call DTI Trucks for more information and a shipping quote.
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)4300
Stock Number80140
MLS Number14255243
CategoryEngine Control Modules (ECM)
Last Updated3/19/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
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.
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