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Caterpillar C12 Engine Parts For Sale in United States

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   Cam Followers (7)    Camshafts (6)    Crankshafts (14)    Engine Accessory Drives (1)    Engine Air Compressors (6)    Engine Blocks / Cylinder Blocks (3)    Engine Brackets (22)    Engine Brakes / Jake Brakes (27)    Engine Control Modules (ECM) (79)    Engine Covers (8)    Engine Gears (11)    Engine Harmonic Balancers (9)    Engine Head Bolts (1)    Engine Miscellaneous Parts (195)    Engine Mounts (33)    Engine Oil Coolers (18)    Engine Oil Dipsticks (2)    Engine Oil Pans (18)    Engine Oil Pickup Tubes (1)    Engine Oil Pumps (21)    Engine Plumbing (1)    Engine Rods (8)    Engine Seals (1)    Engine Thermostat Housings (3)    Engine Valve Trains (9)    Engine Wiring Harnesses (5)    Front Engine Covers (22)    Pistons & Rod Parts (10)    Rocker Arms (39)    Rocker Housings (2)    Timing Covers (19)    Valve Covers (56)
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Showing 1 - 25 of 666 Engine Part Listings

1 - 25 of 666 listings
1 - 25 of 666 listings
Caterpillar C12 Engine Control Module (ECM) for a 2003 Peterbilt 357

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

Newly Listed
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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

Newly Listed
Contact for price
(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.
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