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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 11,604 Engine Control Module (ECM) Listings

1 - 25 of 11,604 listings
1 - 25 of 11,604 listings
Featured Item
Caterpillar 3126 Engine Control Module (ECM)*Repair*MoneyBack* for 1998-2008 Cat

Caterpillar 3126 Engine Control Module (ECM)*Repair*MoneyBack* for 1998-2008 Cat

$619.99 USD
Contact us for Ecm Repair Service Caterpillar Ecm also in stock Call Us today. 1)Call us to pay for ecm repair service or just ship to us, 2)Take ecm to (fedex,ups,postal service), 3)1-2...
ConditionUsed
Horse Power800 HP
Engine Model3126
L x W12 x 12
Fits To Equipmenttrucks
Fits To Make(s)Caterpillar
Fits To Model(s)3126,C12,C15,3406,C7,C13
Will Fit Year(s)1998-2008
Part Number149-6989-01
Weight7
Stock NumberCAT3126
MLS Number9675366
CategoryEngine Control Modules (ECM)
Last Updated11/4/2026
Location
Fort Worth, TX, US
Sold By
1Enginecontrol
(726) 999-___  SHOW
NUMBERCall Seller
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1Enginecontrol
Featured Item
Caterpillar C12 Engine Control Module (ECM) *Repair*MoneyBack* for 1998-2008 Cat

Caterpillar C12 Engine Control Module (ECM) *Repair*MoneyBack* for 1998-2008 Cat

$619.99 USD
Contact us for Ecm Repair Service Caterpillar Ecm also in stock Call Us today. 1)Call us to pay for ecm repair service or just ship to us, 2)Take ecm to (fedex,ups,postal service), 3)1-2...
ConditionUsed
Horse Power550 HP
Engine ModelC12
Fits To Make(s)Caterpillar
Fits To Model(s)3126,C12,C15,3406,C7,C13
Will Fit Year(s)1998-2008
Part Number229-8763
Stock NumberCATC12
MLS Number9675365
CategoryEngine Control Modules (ECM)
Last Updated11/4/2026
Location
Fort Worth, TX, US
Sold By
1Enginecontrol
(726) 999-___  SHOW
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1Enginecontrol
2011 Mack MP7 Engine Control Module (ECM)

2011 Mack MP7 Engine Control Module (ECM)

Newly Listed
$2,000 USD
(GOOD USED) 2011 Mack MP7 OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 21358126; Stock #: E4782 For more information about this listing, shipping, technical questions...
ConditionUsed
Part Number21358126
Stock NumberE4782
MLS Number14748818
CategoryEngine Control Modules (ECM)
Last Updated11/13/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Mack E7 Engine Control Module (ECM) Part# 12MS510M2 (Passenger Side ECM)

Mack E7 Engine Control Module (ECM) Part# 12MS510M2 (Passenger Side ECM)

Newly Listed
$995 USD
(GOOD USED BENCH TESTED) MACK E7 PASSENGER SIDE ECM For Sale, Part # 12MS510M2, Stock# 10784 All our PARTS are TESTED and Ship PRIORITY MAIL! OVERNIGHT SHIPPING options are available!...
ConditionUsed
Part Number12MS510M2
Stock Number10784
MLS Number14748807
CategoryEngine Control Modules (ECM)
Last Updated11/13/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Cummins X15 Engine Control Module ECM ECU 5572391 5572390 CM2450

2020 Cummins X15 Engine Control Module ECM ECU 5572391 5572390 CM2450

Newly Listed
$1,500 USD
(GOOD USED/ TESTED) 2020 Cummins X15 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 5572391; Supersession Part #: 5572390; Service Model Name: X15 CM2450 X124B; Stock #:...
ConditionUsed
Part Number5572391
Stock NumberE4781
MLS Number14748579
CategoryEngine Control Modules (ECM)
Last Updated11/13/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Paccar MX-13 Engine Control Module (ECM) for a 2022 Kenworth T680

Paccar MX-13 Engine Control Module (ECM) for a 2022 Kenworth T680

Newly Listed
$1,350 USD
PACCAR MX13 ECM GUARANTEED TO BE REPROGRAMMABLE. PN#2160700, Serial#: Y256377
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T680
Will Fit Year(s)2022
Part Number2160700, 9110EA11021061
Stock Number41624-32
MLS Number14747631
CategoryEngine Control Modules (ECM)
Last Updated11/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
2004 Caterpillar C11 Engine Control Module (ECM)

2004 Caterpillar C11 Engine Control Module (ECM)

Newly Listed
$1,000 USD
(GOOD USED/ TESTED) 2004 Caterpillar C11 ACERT Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 225-2633; Supersession Part #: 225-3159, 223-1236, 223-1235; Stock #: E4779 For...
ConditionUsed
Part Number225-2633
Stock NumberE4779
MLS Number14745863
CategoryEngine Control Modules (ECM)
Last Updated11/12/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar 3456 Engine Control Module ECU ECU 9BZ 212-9449 235-1571 176-5782

2002 Caterpillar 3456 Engine Control Module ECU ECU 9BZ 212-9449 235-1571 176-5782

Newly Listed
$2,000 USD
(GOOD USED/ TESTED) 2002 Caterpillar 3456 OEM Diesel Engine Control Module, ECM, ECU, 9BZ, for sale!!!! Part #: 235-1571; Supersession Part #'s: 176-5782, 10R-1824, 212-9449; Stock #:...
ConditionUsed
Part Number212-9449
Stock NumberE4778
MLS Number14745859
CategoryEngine Control Modules (ECM)
Last Updated11/12/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins QSX15 OEM Diesel Engine Control Module 3408501 3681405 CM570

2012 Cummins QSX15 OEM Diesel Engine Control Module 3408501 3681405 CM570

Newly Listed
$2,000 USD
(GOOD USED/ TESTED) Cummins QSX15 OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 3408501; Supersession Part #: 3408504, 3681405; Service Model Name: CM570; Stock #:...
ConditionUsed
Part Number3408501
Stock NumberE4777
MLS Number14745828
CategoryEngine Control Modules (ECM)
Last Updated11/12/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Detroit DD15 Diesel Engine Control Module ECM ECU A0004469135

2013 Detroit DD15 Diesel Engine Control Module ECM ECU A0004469135

Newly Listed
$800 USD
(GOOD USED) 2013 Detroit DD15 Diesel Engine Control Module, ECM, ECU, for sale!!!!!Part #: A0004469135; Stock #: E4776 For more information about this listing, shipping, technical questions...
ConditionUsed
Part NumberA0004469135
Stock NumberE4776
MLS Number14745790
CategoryEngine Control Modules (ECM)
Last Updated11/12/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Detroit DD15 OEM Diesel Engine Control Module ECM ECU A0024460935

2018 Detroit DD15 OEM Diesel Engine Control Module ECM ECU A0024460935

Newly Listed
$1,000 USD
(GOOD USED) Detroit DD15 OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: A0024460935/002; Stock #: E4775 For more information about this listing, shipping, technical...
ConditionUsed
Part NumberA0024460935
Stock NumberE4775
MLS Number14745528
CategoryEngine Control Modules (ECM)
Last Updated11/12/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Freightliner 114SD Engine Control Module (ECM)

2025 Freightliner 114SD Engine Control Module (ECM)

Newly Listed
Contact for price
(Used) 2025 Freightliner 114SD, CONNECTIVITY CONTROL UNIT (CCU)- Part Number: AD00A10135, 5594319, 5EA, 353500727679468, ICID: 8595A-UBX21BE01, CU-304-0503, FCC ID: XPYUBX21BE01, Make: BOSCH...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)114SD
Will Fit Year(s)2025
Part NumberAD00A10135
Stock NumberP-517774
MLS Number14745237
CategoryEngine Control Modules (ECM)
Last Updated11/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
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