Used Caterpillar 3406 Engine Control Modules (ECM) For Sale

Caterpillar 3406 Engine Control Module (ECM)

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475 HP. 1750 Torque., Serial#: 5EK07058, Casting#: 5EK07058

Condition	Used
Horse Power	475 HP
Stock Number	207
MLS Number	9389672
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Caterpillar 3406 Engine Control Module (ECM)

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550 HP. 1850 Torque., Serial#: 5EK90597, Casting#: 5EK90597

Condition	Used
Horse Power	550 HP
Stock Number	206
MLS Number	9389671
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Caterpillar 3406 Engine Control Module (ECM)

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500 HP. 1750 Torque., Serial#: 1LW05838, Casting#: 1LW05838

Condition	Used
Horse Power	500 HP
Stock Number	203
MLS Number	9389670
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Caterpillar 3406 Engine Control Module (ECM)

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550 HP. 1850 Torque., Serial#: 1LW17083, Casting#: 1LW17083

Condition	Used
Horse Power	550 HP
Stock Number	202
MLS Number	9389669
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Caterpillar 3406 Engine Control Module (ECM)

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435 HP. 1650 Torque., Serial#: 5EK14828, Casting#: 5EK14828

Condition	Used
Horse Power	435 HP
Stock Number	200
MLS Number	9389668
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Caterpillar 3406 Engine Control Module (ECM)

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., Serial#: 5EK96914, Casting#: 5EK96914

Condition	Used
Stock Number	194
MLS Number	9389662
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Caterpillar 3406 Engine Control Module (ECM)

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435 HP. 1650 Torque., Serial#: 5EK01679, Casting#: 5EK01679

Condition	Used
Horse Power	435 HP
Stock Number	192
MLS Number	9389661
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Caterpillar 3406 Engine Control Module (ECM)

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550 HP. 1850 Torque., Serial#: 5EK05842, Casting#: 5EK05842

Condition	Used
Horse Power	550 HP
Stock Number	191
MLS Number	9389660
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Caterpillar 3406C Engine Control Module (ECM)

$1,000 USD

caterpillar 3406 c model ecm $1000 with exchange, Serial#: 55, Casting#: 55

Condition	Used
Stock Number	343
MLS Number	10681575
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

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Caterpillar 3406 Engine Control Module (ECM)

$500 USD

caterpillar 40 pin ECM $500 exchange guaranteed to be programmable, Serial#: 12, Casting#: 12

Condition	Used
Stock Number	335
MLS Number	10681567
Category	Engine Control Modules (ECM)
Last Updated	5/14/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

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Caterpillar 3406E Engine Control Module (ECM)

$1,000 USD

Guaranteed to be programmable, Serial#: 117-8351-00, Core Charge: 200.00, Casting#: 117-8351-00

Condition	Used
Stock Number	297
MLS Number	10681546
Category	Engine Control Modules (ECM)
Last Updated	6/13/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

(855) 624-___ SHOW
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Caterpillar 3406E Engine Control Module (ECM)

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USED ECM CAT 3406E 117-4017-02, Serial#: 4017, Casting#: 4017

Condition	Used
Part Number	117-4017-02
Stock Number	590-CAT-5
MLS Number	13344970
Category	Engine Control Modules (ECM)
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Caterpillar 3406 Engine Control Module (ECM) for a 1993 International 9400

$998.98 USD

(Used) 1993 Caterpillar 3406, ENGINE ECM- Part Number: 7W9808, Serial Number: 9Y8085 05, Family Number: PCT0893F2D2, ESN: 4CK11669, 1 Rectangular Plug with 40 Pins, Reference images for...

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Will Fit Year(s)	1993
Part Number	7W9808
Stock Number	P-95192
MLS Number	13326514
Category	Engine Control Modules (ECM)
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar 3406 Engine Control Module (ECM) for a 1998 Western Star 4900

$998.98 USD

(Used) 1997 CATERPILLAR 3406 ECM- Horsepower: 475, Pins: 40/40, ESN: 6TS22200, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900
Will Fit Year(s)	1998
Stock Number	P-33202
MLS Number	11676033
Category	Engine Control Modules (ECM)
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar 3406 Engine Control Module (ECM) for a 1996 Kenworth T800

Price Drop $807.35 USD

(Used) 1995 Caterpillar 3406, ENGINE ECM- Part Number: 117-4017-02, Serial Number: 09970063CJ, 2 Rectangular Plug with 40 Pins each, For more information about this item, give us a call. We...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1996
Part Number	117-4017-02
Stock Number	P-101545
MLS Number	13558371
Category	Engine Control Modules (ECM)
Last Updated	7/28/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar 3406 Engine Control Module (ECM) for a 1997 International 9400

Price Drop $807.35 USD

(Used) Caterpillar 3406, ECM- For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial#: TBD,...

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Will Fit Year(s)	1997
Part Number	117-4017-02
Stock Number	P-30329
MLS Number	11431002
Category	Engine Control Modules (ECM)
Last Updated	7/28/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar 3406 Engine Control Module (ECM) for a 1996 Kenworth T800

Price Drop $760 USD

(Used) 1995 Caterpillar 3406E, ENGINE ECM- Serial Number: 04360192CJ, Part Number: 117-4017-01 Displacement: 15.2L, Horsepower: 475, ESN: 5EK76173, Engine: P29487 For more information about...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1996
Part Number	117-4017-01
Stock Number	P-44099
MLS Number	11980300
Category	Engine Control Modules (ECM)
Last Updated	7/28/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Caterpillar 3406E Engine Control Module (ECM)

$1,000 USD

OEM# 108-0491-01, CORE CAT 3406E ECM

Condition	Used
Stock Number	14411
MLS Number	10896300
Category	Engine Control Modules (ECM)
Last Updated	2/22/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

1993 Caterpillar 3406E Diesel Engine Control Module ECM ECU 117-4017-02

$2,000 USD

(GOOD USED/ TESTED) Caterpillar 3406E OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 117-4017-02; Supersession Part#: 129-9195, 115-3055, 212-9450, 10R-4085; Stock #:...

Condition	Used
Part Number	117-4017-02
Stock Number	E4360
MLS Number	14007079
Category	Engine Control Modules (ECM)
Last Updated	12/1/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

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2000 Caterpillar 3406E Engine Control Module (ECM) for a CAT 3406E 14.6

$750 USD

Condition	Used
Horse Power	500 HP
Fits To Make(s)	CAT
Fits To Model(s)	3406E 14.6
Stock Number	2529153
MLS Number	13643880
Category	Engine Control Modules (ECM)
Last Updated	4/29/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

Caterpillar 3406E Engine Control Module (ECM)

$2,000 USD

(GOOD USED/ TESTED) OEM Caterpillar 3406E Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 117-4017-02; Supersession Part#: 129-9195, 115-3055, 212-9450, 10R-4085; Stock #:...

Condition	Used
Part Number	117-4017-02
Stock Number	E3108
MLS Number	11813534
Category	Engine Control Modules (ECM)
Last Updated	6/9/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

1996 OEM Caterpillar 3406E Diesel Engine Control Module, 117-4017-02, 129-9195

$2,000 USD

(GOOD USED/ TESTED) 1996 Caterpillar OEM 3406E Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 117-4017-02; Supersession Part#: 129-9195, 115-3055, 212-9450, 10R-4085, Stock #...

Condition	Used
Part Number	117-4017-02
Stock Number	E4145
MLS Number	13547576
Category	Engine Control Modules (ECM)
Last Updated	4/30/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

1995 OEM Caterpillar 3406E Diesel Engine Control Module, 117-4017-01, 129-9195

$2,000 USD

(GOOD USED/ TESTED) OEM 1995 Caterpillar 3406E Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 117-4017-01; Supersession Part#: 129-9195, 115-3055, 212-9450, 10R-4085, Stock #...

Condition	Used
Part Number	117-4017-01
Stock Number	E4055
MLS Number	13381479
Category	Engine Control Modules (ECM)
Last Updated	2/5/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(305) 688-___ SHOW
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Caterpillar 3406E Engine Control Module (ECM) Part # 117-4017-02, 40-PIN ECM, 5EK Serial

$1,950 USD

(GOOD USED BENCH TESTED W/ WARRANTY) Caterpillar 3406E Part # 117–4017-02 ECM For Sale, 40-PIN ECM, 5EK Serial, Part # 117 4017 02, 117401702, MKNDDL-NU, Off CAT 3406E, Personality Part #...

Condition	Used
Part Number	117 4017 02
Stock Number	8098
MLS Number	13203281
Category	Engine Control Modules (ECM)
Last Updated	10/30/2024
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.