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

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 10,780 Engine Control Module (ECM) Listings

1 - 25 of 10,780 listings
1 - 25 of 10,780 listings
Paccar MX-13 EPA17 Engine Control Module (ECM)

Paccar MX-13 EPA17 Engine Control Module (ECM)

Newly Listed
$2,000 USD
(GOOD USED/ TESTED) Paccar MX-13 (EPA17) OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 2160700; Supersession Part #: 2298833, 2295122, 2037394; Stock #: E4557 For more...
ConditionUsed
Part Number2160700
Stock NumberE4557
MLS Number14397802
CategoryEngine Control Modules (ECM)
Last Updated5/29/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins N14 Celect Plus Diesel Engine Control Module ECM ECU 3408300

1999 Cummins N14 Celect Plus Diesel Engine Control Module ECM ECU 3408300

Newly Listed
$2,000 USD
(GOOD USED/ TESTED) Cummins N14 Celect Plus OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 3408300; Supersession Part #: 3096662; Stock #: E4556 For more information about...
ConditionUsed
Part Number3408300
Stock NumberE4556
MLS Number14397751
CategoryEngine Control Modules (ECM)
Last Updated5/29/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Cummins ISB 6.7L Engine Control Module (ECM)

Cummins ISB 6.7L Engine Control Module (ECM)

Recently Updated
$600 USD
Good used, cleaned, tested and inspected Cummins CM2250 ISB6.7 ECM. Part Number: 4993120,. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your...
Quantity3
ConditionUsed
Part Number4993120
Stock NumberRyd 4993120
MLS Number12155582
CategoryEngine Control Modules (ECM)
Last Updated5/29/2026
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 7 Engine Control Module (ECM)

International MaxxForce 7 Engine Control Module (ECM)

Recently Updated
$150 USD
Good used, cleaned and inspected International Maxxforce 7 ECM. Part number: 1881708C91. 30 Day garantee for swap or refund if not programmable. ECM's need to be programmed for your...
Quantity86
ConditionUsed
Part Number1881708C91
Stock NumberRyd 1881708C91
MLS Number11055020
CategoryEngine Control Modules (ECM)
Last Updated5/29/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
Cummins Engine Control Module (ECM)

Cummins Engine Control Module (ECM)

Recently Updated
$600 USD
Good used, cleaned, tested and inspected Cummins CM2150 ECM. Part Number: 4943134, 4940520,. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your...
ConditionUsed
Part Number4943134
Stock NumberRyd 4943134
MLS Number10205058
CategoryEngine Control Modules (ECM)
Last Updated5/29/2026
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: 18830386C91, 1883086C92, 1883086C93. 30 Day Guarantee for swap or refund if not programmable. ECM's...
Quantity8
ConditionUsed
Part Number1883086C91
Stock NumberRyd 1883086C91
MLS Number10263034
CategoryEngine Control Modules (ECM)
Last Updated5/29/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
Cummins L9 Engine Control Module (ECM) for a Freightliner M2 106

2019 Cummins L9 Engine Control Module (ECM) for a Freightliner M2 106

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)FREIGHTLINER
Fits To Model(s)M2 106
Stock Number82541
MLS Number14395268
CategoryEngine Control Modules (ECM)
Last Updated5/28/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
International 4300 Engine Control Module (ECM)

2007 International 4300 Engine Control Module (ECM)

Recently Updated
$900 USD
Engine Control Module (ECM), Good Condition. Guarantee Programmable Call DTI Trucks for more information and a shipping quote. PN 3833155C SN 018544356
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)4300
Stock Number69955
MLS Number13356462
CategoryEngine Control Modules (ECM)
Last Updated5/28/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
Cummins Engine Control Module (ECM)

Cummins Engine Control Module (ECM)

Recently Updated
$600 USD
Good used, cleaned, tested and inspected Cummins ISL G ECM. Part Number: 5491911, 5654089, 4354505, 4354539, 4354538. 30 day guarantee for swap or refund if not programmable. ECM's need to...
ConditionUsed
Stock NumberRyd 5491911
MLS Number12928457
CategoryEngine Control Modules (ECM)
Last Updated5/28/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Detroit CASCADIA 125 Engine Control Module (ECM) for a Freightliner CASCADIA 125

2015 Detroit CASCADIA 125 Engine Control Module (ECM) for a Freightliner CASCADIA 125

Recently Updated
$985 USD
Used Detroit ECM Control Module A0014462835, DDE RA0014469335, MCM 2.1 HDEP EPA10/GHG14/GHG17
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)CASCADIA 125
Stock Number92165
MLS Number12836563
CategoryEngine Control Modules (ECM)
Last Updated5/28/2026
Location
Crandall, TX, US
Sold By
Tim Jordan's Truck Parts Inc.
(833) 359-___  SHOW
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Tim Jordan's Truck Parts Inc.
Cummins ISC Diesel Engine Control Module ECM ECU 4921776 CM850

Cummins ISC Diesel Engine Control Module ECM ECU 4921776 CM850

Newly Listed
$750 USD
(GOOD USED/ TESTED) Cummins ISC OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4555 For more...
ConditionUsed
Part Number4921776
Stock NumberE4555
MLS Number14391707
CategoryEngine Control Modules (ECM)
Last Updated5/27/2026
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)

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...
Quantity2
ConditionUsed
Part Number1845117C6
Stock NumberRyd 1845117C6
MLS Number10740793
CategoryEngine Control Modules (ECM)
Last Updated5/27/2026
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
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