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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 $7,500. 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 11,282 Engine Control Module (ECM) Listings

1 - 25 of 11,282 listings
1 - 25 of 11,282 listings
Caterpillar C15 MXS Control Module ECM ECU 248-5545 226-7469 246-9347 478-7931

Caterpillar C15 MXS Control Module ECM ECU 248-5545 226-7469 246-9347 478-7931

Newly Listed
$2,000 USD
(GOOD USED/ TESTED) OEM 2005 Caterpillar C15 ACERT Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 248-5545; Other Part #'s: 226-7469,246-9347,478-7931; Stock #: E4496 For...
ConditionUsed
Part Number248-5545
Stock NumberE4496
MLS Number14311276
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
International DT466E Engine Control Module (ECM) for a International DT 466E

International DT466E Engine Control Module (ECM) for a International DT 466E

Recently Updated
$275 USD
Good used, cleaned and inspected International Navistar DT466E ECM. Part Number: 1833341C1, 2593622C1.30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for...
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)DT 466E
Part Number1833341C1
Stock NumberRyd 1833341C1
MLS Number11980764
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
2006 Caterpillar C15 NXS Engine Control Module (ECM) for 2004-2006 Part # 262-2881, REMAN Part # 10R-5649

2006 Caterpillar C15 NXS Engine Control Module (ECM) for 2004-2006 Part # 262-2881, REMAN Part # 10R-5649

Recently Updated
$2,000 USD
(GOOD USED BENCHED TESTED W/WARRANTY) CATERPILLAR C15 ACERT 120-PIN Engine Control Module (ECM) For Sale, 120PIN, EPA' 04, Part # 262-2881, 262 2881, 2622881, REMAN Part # 10R-5649, Pulled...
ConditionUsed
Will Fit Year(s)2004-2006
Part Number262-2881
Stock Number9892
MLS Number14089050
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
2012 Cummins ISL9 Engine Control Module (ECM) for 2010-2012 Part # 4993120, CM2250

2012 Cummins ISL9 Engine Control Module (ECM) for 2010-2012 Part # 4993120, CM2250

Recently Updated
$1,050 USD
(GOOD USED BENCHED TESTED W/WARRANTY) Cummins ISL9 Engine Control Module (ECM) 4993120 For Sale, Part # 4993120, CM2250, CPL 3732, 380HP @ 2000 RPM, PULLED OFF 2012 Cummins ISL9 w/ CPL 3732...
ConditionUsed
Part Number4993120
Stock Number9891
MLS Number14159382
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
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

Recently Updated
$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 Updated4/15/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
International DT466E Engine Control Module (ECM) for 1998-2003 Part # 1807349C4

International DT466E Engine Control Module (ECM) for 1998-2003 Part # 1807349C4

Recently Updated
$875 USD
(TESTED W/ WARRANTY) International DT466E/DT444E Engine Control Module (ECM) 1807349C4 For Sale, 5WK9 200/05, NON-EGR Model, Part # 1807349C4, Serial # 0269941, Fits Years 1998-2003, Stock #...
ConditionUsed
Will Fit Year(s)1998-2003
Part Number1807349C4
Stock Number8454
MLS Number13539628
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Cummins ISB Engine Control Module (ECM) for a 2001 Freightliner MT55 Chassis

Cummins ISB Engine Control Module (ECM) for a 2001 Freightliner MT55 Chassis

Newly Listed
Contact for price
(Used) 2001 Cummins ISB, ENGINE ECM- Part Number: 3944124, Serial Number: 3017656, ESN: 56808272, ECM Code: J90669.17, P3944124, 0C03017656, T3480, SO: 86103, UNIT: 3944124, SEQ# : 11,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)MT55 Chassis
Will Fit Year(s)2001
Part Number3944124
Stock NumberP-502053
MLS Number14310362
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
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)

Cummins ISB Engine Control Module (ECM)

Recently Updated
$199.98 USD
(Used) Cummins ISB, ENGINE ECM- Part Number: 3944124, Serial Number: 3017659, ESN: 56808345, ECM Code: J90669.17, P3944124, 0C03017659, T3430, SO: 86103, UNIT: 3944124, Reference images for...
ConditionUsed
Part Number3944124
Stock NumberP-498264
MLS Number14161477
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
International MaxxForce 7 Engine Control Module (ECM) for a International Durastar (4300)

2013 International MaxxForce 7 Engine Control Module (ECM) for a International Durastar (4300)

Recently Updated
$895 USD
(USED) International MAXXFORCE 7 Ref# 188735C2 TESTED, PLASTIC AROUND PLUG CONNECTION BROKEN
ConditionUsed
Fits To Make(s)International
Fits To Model(s)DURASTAR (4300)
Part Number188735C2
Stock Number25659976
MLS Number12922778
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
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 #: 241-7597, 478-7933, 11R-0333, 20R-8182; Stock #: E4495 For...
ConditionUsed
Part Number372-2906-00
Stock NumberE4495
MLS Number14309153
CategoryEngine Control Modules (ECM)
Last Updated4/15/2026
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) 2011 Cummins ISX12 OEM 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 Updated4/15/2026
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
NUMBERCall Seller
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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
NUMBERCall Seller
Email Seller
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Rydemore Heavy Duty Truck Parts
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