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Cummins ISX Engine Control Modules (ECM) For Sale

Browse Cummins ISX Engine Control Modules (ECM) on MyLittleSalesman.com and compare listings with prices from $60 to $2,750. Sellers include Rocky Mountain Truck Parts, Vander Haag's, LKQ Heavy Truck, and more. Filter by condition, price, or year to quickly narrow down to the right Cummins ISX Engine Control Module (ECM).
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Showing 1 - 25 of 869 Engine Control Module (ECM) Listings

1 - 25 of 869 listings
1 - 25 of 869 listings
Cummins ISX Engine Control Module (ECM) for a 2005 Kenworth W900L

Cummins ISX Engine Control Module (ECM) for a 2005 Kenworth W900L

Newly Listed
$875 USD
Cummins ISX CPL8520 400HP Engine Control Module *Fits 2003-2007 Cummins ISX Part# P3684009, Serial#: 79099608, Core Charge: 150, Casting#: 79099608
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)W900L
Will Fit Year(s)2005
Part NumberP3684009
Stock Number977059
MLS Number14441569
CategoryEngine Control Modules (ECM)
Last Updated6/20/2026
Location
Farr West, UT, US
Sold By
Rocky Mountain Truck Parts
(855) 980-___  SHOW
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Rocky Mountain Truck Parts
Cummins ISX15 Control Module ECM ECU 5317106 5290171 5317107 5297106

2014 Cummins ISX15 Control Module ECM ECU 5317106 5290171 5317107 5297106

$1,000 USD
(GOOD USED/ TESTED) Cummins ISX15 OEM Control Module, ECM, ECU, for sale!!!!!Part #: 5317106; Supersession Part #'s: 5290171, 5317107, 5297106; Service Model Name: CM2350; Stock #: E4538 For...
ConditionUsed
Part Number5317106
Stock NumberE4538
MLS Number14376512
CategoryEngine Control Modules (ECM)
Last Updated5/18/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2009 Cummins CM871 Engine Control Module (ECM) for 2007-2009 Part # 3684275, CPL 2732

2009 Cummins CM871 Engine Control Module (ECM) for 2007-2009 Part # 3684275, CPL 2732

$1,500 USD
(GOOD USED BENCHED TESTED) Cummins CM871 Engine Control Module (ECM) 3684275 For Sale, Part # 3684275, CM871, Fits 2007 2008 2009, Pulled off 2009 ISX 425ST w/ CPL 2732 485 HP @ 2000RPM,...
ConditionUsed
Will Fit Year(s)2007-2009
Part Number3684275
Stock Number10205
MLS Number14376506
CategoryEngine Control Modules (ECM)
Last Updated5/18/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Cummins ISX Engine Control Module (ECM)

Cummins ISX Engine Control Module (ECM)

Contact for price
(Core) 2009 Cummins ISX, ENGINE ECM- Part Number: P3684275-RX, Serial Number: 545065710, 1 Rectangular Plug with 50 Pins, 1 Rectangular Plug with 60 Pins, 1 Rectangular Plug with 4 Pins,...
ConditionUsed
Part NumberP3684275-RX
Stock NumberP-503256
MLS Number14373096
CategoryEngine Control Modules (ECM)
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX Engine Control Module (ECM) for a 2005 Kenworth T800

Cummins ISX Engine Control Module (ECM) for a 2005 Kenworth T800

$995 USD
USED ECM OFF CUMMINS ISX ENGINE, 2005 KENWORTH T800, PART # P3684009-RX, GUARANTEED REPROGRAMMABLE., Serial#: 60810426, Casting#: A30000125
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2005
Part NumberP3684009-RX
Stock Number121823-29
MLS Number12644264
CategoryEngine Control Modules (ECM)
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
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