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Caterpillar C12 Engine Control Modules (ECM) For Sale

Browse Caterpillar C12 Engine Control Modules (ECM) on MyLittleSalesman.com and compare listings with prices from $200 to $5,000. Sellers include CRG Heavy Truck Parts, JJ Rebuilders, Delauto Used Truck Parts, and more. Filter by condition, price, or year to quickly narrow down to the right Caterpillar C12 Engine Control Module (ECM).
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Showing 1 - 25 of 81 Engine Control Module (ECM) Listings

1 - 25 of 81 listings
1 - 25 of 81 listings
Caterpillar C12 Engine Control Module (ECM) for a 2003 Peterbilt 357

Caterpillar C12 Engine Control Module (ECM) for a 2003 Peterbilt 357

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(Used) 2003 Caterpillar C12, ENGINE ECM- Part Number: 179-1747-01, Serial Number: 14225051KM, Make: Caterpillar, Engine Model: C12, 2 Rectangular Plug with 70 Pins each!! Reference images...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)357
Will Fit Year(s)2003
Part Number179-1747-01
Stock NumberP-497557
MLS Number14149201
CategoryEngine Control Modules (ECM)
Last Updated2/19/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM) for a 2002 Sterling L9500

Caterpillar C12 Engine Control Module (ECM) for a 2002 Sterling L9500

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(Used) Caterpillar C12, ENGINE ECM- Part Number: 348-2379-01, Serial Number: 2277B284IH, 124713-0227, TMC 08/17-2674, 2 Rectangular Plug with 70 Pins each, Reference images for condition....
ConditionUsed
Fits To Make(s)Sterling
Fits To Model(s)L9500
Will Fit Year(s)2002
Part Number348-2379-01
Stock NumberP-497340
MLS Number14147173
CategoryEngine Control Modules (ECM)
Last Updated2/18/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
1998 Caterpillar C12 Engine Control Module (ECM)

1998 Caterpillar C12 Engine Control Module (ECM)

$2,000 USD
(GOOD USED/ TESTED) Caterpillar C12 OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #:117-4212-02; Supersession Part #: 124-2673, 115-3055, 212-9450, 10R-4085; Stock #:...
ConditionUsed
Part Number117-4212-02
Stock NumberE4414
MLS Number14122552
CategoryEngine Control Modules (ECM)
Last Updated2/3/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar C12 Engine Control Module (ECM)

Caterpillar C12 Engine Control Module (ECM)

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(Core) 1999 Caterpillar C12, ENGINE ECM- Part Number: 157-3705-02, 627-05-9100, Engine Information- Displacement: 11.9L 2 Rectangular Plug with 70 Pins each, Reference images for...
ConditionUsed
Stock NumberP-114921
MLS Number14028286
CategoryEngine Control Modules (ECM)
Last Updated12/13/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM) for a 2003 Oshkosh S-SERIES

Caterpillar C12 Engine Control Module (ECM) for a 2003 Oshkosh S-SERIES

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(Used) 2002 Caterpillar C12, ENGINE ECM- CAT 10R3571 CAT 10R7984 CAT 10R7985 CAT 10R7986 CAT 10R7987 CAT 1337318 CAT 1337320 CAT 1473015 CAT 1473016 CAT 149-6989 CAT 1496990 CAT 157-3708 CAT...
ConditionUsed
Fits To Make(s)Oshkosh
Fits To Model(s)S-SERIES
Will Fit Year(s)2003
Part Number206-2700
Stock NumberP-113354
MLS Number13950237
CategoryEngine Control Modules (ECM)
Last Updated12/11/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM)

Caterpillar C12 Engine Control Module (ECM)

$800 USD
CAT C12: AIR COMP $300, FUEL PUMP $300, TURBO $600, HEAD $800, INJECTOR $150, SHORT BLOCK $2500, OIL PAN $500, FLYWHELL HOUSE $600, TIMING COVER $350, ENGINE BRAKE $1000. Please keep me in...
ConditionUsed
Stock Number203330
MLS Number14004629
CategoryEngine Control Modules (ECM)
Last Updated11/27/2025
Location
Felda, FL, US
Sold By
Delauto Used Truck Parts
(844) 925-___  SHOW
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Caterpillar C12 Control Module ECM ECU 209-9587-00 MBL

2004 Caterpillar C12 Control Module ECM ECU 209-9587-00 MBL Being Dismantled (Parts Available)

$300 USD
(CORE/NOT WORKING/FOR PARTS) Caterpillar C12 OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 209-9587-00; Other Part #'s:348-2379,11R-1002,10R-4090; Stock #: E4350 For...
ConditionDismantled
Part Number209-9587-00
Stock NumberE4352
MLS Number13990277
CategoryEngine Control Modules (ECM)
Last Updated11/19/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar C12 Engine Control Module (ECM) 70-PIN

Caterpillar C12 Engine Control Module (ECM) 70-PIN

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(TESTED W/ WARRANTY) Caterpillar C12 ECM For Sale, 70-PIN, Personality Module Part # 2418404-00, MBL-Serial, Pulled off CAT C12, Engine Serial # MBL19316, ECM Serial # 28756057IH, Stock #...
ConditionUsed
Stock Number4209
MLS Number12033422
CategoryEngine Control Modules (ECM)
Last Updated11/5/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Caterpillar C12 Engine Control Module (ECM)

Caterpillar C12 Engine Control Module (ECM)

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(Core) Caterpillar C12, ENGINE ECM - Part Number: 206-2700-02, Serial Number: 32626141IK, Family Number: 3CPXH0729EBV, 2 Rectangular Plug with 70 Pins each, For more information about...
ConditionUsed
Stock NumberP-113087
MLS Number13907581
CategoryEngine Control Modules (ECM)
Last Updated10/22/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM) for a Kenworth T2000

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

$1,425 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 Updated8/13/2025
Location
Spencer, 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) Part # 348-2379-01

Caterpillar C12 Engine Control Module (ECM) Part # 348-2379-01

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(TESTED W/ WARRANTY) Caterpillar C12 ECM Part # 348-2379-01 For Sale, 70-PIN, Personality Module Part # 2157817-00, 2KS-Serial, Pulled off CAT C12, Engine Serial # 2KS19920, ECM Serial #...
ConditionUsed
Part Number348-2379-01
Stock Number4210
MLS Number12033440
CategoryEngine Control Modules (ECM)
Last Updated7/14/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Caterpillar C12 Engine Control Module (ECM) for a 1998 Freightliner FL-112

Caterpillar C12 Engine Control Module (ECM) for a 1998 Freightliner FL-112

$1,000 USD
GOOD USED,QUALITY A, Serial#: 29870053CJ, Part Make: CATERPILLAR
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)FL-112
Will Fit Year(s)1998
Part Number10R4085,115-3055,1153055,2129450,
Stock Number68A1E55291
MLS Number13684777
CategoryEngine Control Modules (ECM)
Last Updated2/25/2026
Location
Ste-Julie, QC, Canada
Sold By
Camions Lussier-Lussicam inc.
(844) 503-___  SHOW
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Camions Lussier-Lussicam inc.
Caterpillar C12 Engine Control Module (ECM) for a 2001 Sterling L9500 (LT9513)

Caterpillar C12 Engine Control Module (ECM) for a 2001 Sterling L9500 (LT9513)

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CORE, Serial#: 22976734IK, Part Make: CATERPILLAR
ConditionUsed
Fits To Make(s)STERLING
Fits To Model(s)L9500 (LT9513)
Will Fit Year(s)2001
Part Number10R3571-03,
Stock Number68A1E56181
MLS Number13529860
CategoryEngine Control Modules (ECM)
Last Updated2/25/2026
Location
Ste-Julie, QC, Canada
Sold By
Camions Lussier-Lussicam inc.
(844) 503-___  SHOW
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Camions Lussier-Lussicam inc.
1998 Caterpillar C12 Engine Control Module (ECM) for Caterpillar 3176, C10, C12

1998 Caterpillar C12 Engine Control Module (ECM) for Caterpillar 3176, C10, C12

$2,000 USD
(GOOD USED/ TESTED) OEM Caterpillar C12 Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 115-2806-02; Supersession Part #: 124-2673, 115-3055, 212-9450, 10R-4085; Stock #:...
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)3176, C10, C12
Part Number115-2806
Stock NumberE4056
MLS Number13384608
CategoryEngine Control Modules (ECM)
Last Updated2/10/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar C12 Engine Control Module (ECM) for a 1999 Sterling L9522

Caterpillar C12 Engine Control Module (ECM) for a 1999 Sterling L9522

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(Used) 1999 Caterpillar C12, ENGINE ECM- Part Number: 157-3705-01, Serial Number: 00690190KA, Engine Information- Serial Number: 2KS02441, Part Number: C01-00005-026, 2 Rectangular Plug with...
ConditionUsed
Fits To Make(s)Sterling
Fits To Model(s)L9522
Will Fit Year(s)1999
Part Number157-3705-01
Stock NumberP-94487
MLS Number13307096
CategoryEngine Control Modules (ECM)
Last Updated1/1/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM) for a 2002 Oshkosh S-SERIES

Caterpillar C12 Engine Control Module (ECM) for a 2002 Oshkosh S-SERIES

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(Used) 2001 Caterpillar C12, ENGINE ECM- Part Number: 179-1747-01, Serial Number: 33815150KM, Engine Information- Family Number: 1CPXH0729ERK, Serial Number: 2KS76569, 2 Rectangular Plug...
ConditionUsed
Fits To Make(s)Oshkosh
Fits To Model(s)S-SERIES
Will Fit Year(s)2002
Part Number179-1747-01
Stock NumberP-76697
MLS Number12742469
CategoryEngine Control Modules (ECM)
Last Updated1/1/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM)

Caterpillar C12 Engine Control Module (ECM)

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(Core) 2004 Caterpillar C13, ENGINE ECM- Part Number: 627-05-9100B, Serial Number: 221-7875, ESN: MBL17896, 2 Rectangular Plugs with 70 Pins each, For more information about this item, give...
ConditionUsed
Part Number627-05-9100B
Stock NumberP-93063
MLS Number13255845
CategoryEngine Control Modules (ECM)
Last Updated12/7/2024
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM)

Caterpillar C12 Engine Control Module (ECM)

$2,000 USD
(GOOD USED/ TESTED) OEM Caterpillar C12 Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 1538414-02; Supersession Part #: 124-2673, 115-3055, 212-9450, 10R-4085; Stock #:...
ConditionUsed
Part Number1538414-02
Stock NumberE3983
MLS Number13232677
CategoryEngine Control Modules (ECM)
Last Updated11/15/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar C12 Engine Control Module (ECM) for a International 9100I

Caterpillar C12 Engine Control Module (ECM) for a International 9100I

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(Used)Caterpillar C12, ENGINE ECM- Part Number: 157-3705-02, Serial Number: 0355124D, 2 Rectangular Plugs with 70 Pins each, Reference images for condition. For more information about this...
ConditionUsed
Fits To Make(s)International
Fits To Model(s)9100I
Part Number157-3705-02
Stock NumberP-81502
MLS Number12903625
CategoryEngine Control Modules (ECM)
Last Updated5/31/2024
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM) for a 2000 International 9100I

Caterpillar C12 Engine Control Module (ECM) for a 2000 International 9100I

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(Used) 1999 Caterpillar C12, ENGINE ECM- Part Number: 157-3705-02, Serial Number: 26590020KA, Engine information- Family Number: XCPXH072.9ERK, ESN: 2KS30035, 2 Rectangular Plugs with 70...
ConditionUsed
Fits To Make(s)International
Fits To Model(s)9100I
Will Fit Year(s)2000
Part Number157-3705-02
Stock NumberP-81476
MLS Number12903599
CategoryEngine Control Modules (ECM)
Last Updated5/31/2024
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar C12 Engine Control Module (ECM) for a 1997 International 9200

Caterpillar C12 Engine Control Module (ECM) for a 1997 International 9200

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(Used) 1996 Caterpillar C12, ECM- Part Number: 117-4017-02 Serial Number: 22060407CJ, Engine information- Family Number: VCP729EZDARX, Serial Number: 1YN02986, Reference images for condition...
ConditionUsed
Fits To Make(s)International
Fits To Model(s)9200
Will Fit Year(s)1997
Part Number117-4017-02
Stock NumberP-80861
MLS Number12892944
CategoryEngine Control Modules (ECM)
Last Updated5/25/2024
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
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