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

Explore 10,766 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 find job-ready Engine Control Modules (ECM) near you with the specs you need. 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 10,766 Engine Control Module (ECM) Listings

1 - 25 of 10,766 listings
1 - 25 of 10,766 listings
Caterpillar C6.4 OEM Diesel Engine Control Module ECU ECM 331-7539-02 10R-8112

2014 Caterpillar C6.4 OEM Diesel Engine Control Module ECU ECM 331-7539-02 10R-8112

Newly Listed
$1,000 USD
(GOOD USED) Caterpillar C6.4 OEM Diesel Engine Control Module, ECM, ECM, for sale!!!!Part #:331-7539-02; Supersessions Part #: 331-7539,10R-8112, 11R-0326,28173200; Stock #: E4559 For more...
ConditionUsed
Part Number331-7539-02
Stock NumberE4559
MLS Number14401289
CategoryEngine Control Modules (ECM)
Last Updated6/1/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar C4.4 OEM Diesel Engine Control Module ECU ECM 286-3683-00 331-7539

Caterpillar C4.4 OEM Diesel Engine Control Module ECU ECM 286-3683-00 331-7539

Newly Listed
$1,000 USD
(GOOD USED) Caterpillar C4.4 OEM Diesel Engine Control Module, ECM, ECM, for sale!!!!Part #:286-3683-00; Supersessions Part #: 304-6436, 10R-8112, 11R-0326, 28173200, 331-7539; Stock #:...
ConditionUsed
Part Number286-3683-00
Stock NumberE4558
MLS Number14401274
CategoryEngine Control Modules (ECM)
Last Updated6/1/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar 3126 Engine Control Module (ECM) for a Freightliner FL70

2001 Caterpillar 3126 Engine Control Module (ECM) for a Freightliner FL70

Recently Updated
$1,645 USD
(USED) CAT 3126 Serial #: 8YL68227 CPL/Arr: 187-7978 HP: 230 Ref# 1627584 TESTED
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)FL70
Part Number1627584
Stock Number25435961
MLS Number12088402
CategoryEngine Control Modules (ECM)
Last Updated5/31/2026
Location
Council Bluffs, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
Caterpillar C12 Engine Control Module (ECM) for a Kenworth T2000

1999 Caterpillar C12 Engine Control Module (ECM) for a Kenworth T2000

Recently Updated
$1,465 USD
(USED) CAT C12 HP: 410 Ref# 145-7805-02 TESTED GOOD. CAT C12 ECM P/N 145-7805-02 WILL BE TESTED BEFORE SHIPPING
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T2000
Part Number145-7805-02
Stock Number25804650
MLS Number13617824
CategoryEngine Control Modules (ECM)
Last Updated5/31/2026
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
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
(888) 519-___  SHOW
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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
(888) 519-___  SHOW
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Rydemore Heavy Duty 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
NUMBERCall Seller
Email Seller
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Rydemore Heavy Duty Truck Parts
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