Used Caterpillar C12 Engine &amp; Powertrain For Sale

Used Caterpillar C12 Inner Front Cover

$450 USD

Used C12 Inner Front Cover, Type: Inner Front Cover

Quantity	2
Condition	Used
Part Number	1260100
Stock Number	507-17008
MLS Number	14616483
Category	Engine Covers
Last Updated	9/22/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Caterpillar C12 Left Engine Mount for a Kenworth

$280 USD

K234-2194 SUPPORT-ENGINE REAR LH

Condition	Used
Engine Model	CAT C12 C13
Fits To Make(s)	KENWORTH
Side	Left
Stock Number	103226
MLS Number	13174169
Category	Engine Mounts
Last Updated	9/18/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

New Aftermarket Caterpillar C12 Water Pump Kit

$279 USD

New Aftermarket C12 Water Pump Kit, Type: Water Pump Kit

Condition	Used
Part Number	1767000
Stock Number	522-12599
MLS Number	14605229
Category	Water Pumps
Last Updated	9/16/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Aftermarket Caterpillar C12 Oil Pump Kit

$395 USD

New Aftermarket C12 Oil Pump Kit, Type: Oil Pump Kit

Condition	Used
Part Number	2335220
Stock Number	551-10570
MLS Number	14605228
Category	Engine Oil Pumps
Last Updated	9/22/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Aftermarket Caterpillar C12 Inframe Engine Kit

$4,092.84 USD

New Aftermarket C12 Inframe Engine Kit, Type: Inframe Engine Kit

Quantity	3
Condition	Used
Part Number	C12101049
Stock Number	537-10941
MLS Number	14593771
Category	Engine Overhaul Kits
Last Updated	9/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Caterpillar C12 Engine Control Module (ECM)

$1,500 USD

Used Cat C12 70 Pin P/N 1573705 S/N 2KS, Core Charge: 0.00

Condition	Used
Part Number	1573705
Stock Number	155604
MLS Number	12727392
Category	Engine Control Modules (ECM)
Last Updated	8/30/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Caterpillar C12 Valve Cover

$150 USD

Used Cat C12 Valve Cover P/N 132-9827, Core Charge: 0.00

Condition	Used
Part Number	1329827
Stock Number	172352
MLS Number	13015864
Category	Valve Covers
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Caterpillar C12 Valve Cover

$150 USD

Used Cat C-12 Valve Cover P/N 132-9825, Core Charge: 0.00

Condition	Used
Part Number	1329825
Stock Number	172351
MLS Number	13015863
Category	Valve Covers
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Caterpillar C12 Front Engine Cover

$350 USD

Cat C-10 / C-12 Front Timing Cover P/N 126-0100 / 136-4298, Core Charge: 0.00

Condition	Used
Part Number	1260100
Stock Number	172218
MLS Number	12994730
Category	Front Engine Covers
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Caterpillar C12 Turbocharger / Supercharger

$1,500 USD

Used Cat C12 App, P/N 0R7578 T1, Core Charge: 300.00

Condition	Used
Part Number	0R7578
Stock Number	158933
MLS Number	10643618
Category	Turbochargers / Superchargers
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Caterpillar C12 Turbocharger / Supercharger

$1,500 USD

Used Cat C12 App, P/N 0R7575 T1, Core Charge: 400.00

Condition	Used
Part Number	0R-7575
Stock Number	158932
MLS Number	10643617
Category	Turbochargers / Superchargers
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Caterpillar C12 Engine Brake

$1,800 USD

Complet Set 312A Apllication C-12, Core Charge: 0.00

Condition	Used
Part Number	312A
Stock Number	9657
MLS Number	9063010
Category	Engine Brakes / Jake Brakes
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

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2002 Caterpillar C12 Right Engine Mount for a Peterbilt 379

$250 USD

PETERBILT BRACKET-ENGINE SPRT REAR 05-17915R

Quantity	4
Condition	Used
Engine Model	CAT C12
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Side	Right
Stock Number	99107
MLS Number	12252509
Category	Engine Mounts
Last Updated	8/15/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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Caterpillar C12 Crankshaft for a 2003 Peterbilt 385

$1,500 USD

USED C12 CRANKSHAFT PART# 116-1072 INSPECTED BY MACHINE SHOP (HOT TANKED/ MAGNAFLUX/POLISHED) DOES HAVE A LIGHT SCRATCH IN ONE JOURNAL (SEE PICTURES), Serial#: 2KS84312

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	385
Will Fit Year(s)	2003
Part Number	116-1072
Stock Number	122223-31
MLS Number	14542976
Category	Crankshafts
Last Updated	8/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Caterpillar C12 Engine Control Module ECM ECU 212-9450 117-4212-02 10R-4085

$2,000 USD

(GOOD USED/ TESTED) Caterpillar C12 OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #:212-9450 ; Supersession Part #: 124-2673, 115-3055, 212-9450, 10R-4085, 117-4212-02; Stock...

Condition	Used
Part Number	212-9450
Stock Number	E4642
MLS Number	14537116
Category	Engine Control Modules (ECM)
Last Updated	8/12/2026
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Caterpillar C12 Rocker Arm

$60 USD

Cat Box of 3 Remanufactured Rocker Arm Assembly 10R-1797 - OEM Wheel-Type- Loader 972G II 966G II Earth Moving Compactor 815F 816F Load, Haul, Dump R1600 R1600G R1700G Wheel Dozer 814F...

Condition	Used
Part Number	10R1707
Stock Number	145821
MLS Number	9721801
Category	Rocker Arms
Last Updated	8/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

New Aftermarket New Caterpillar C12 Water Pump

$279 USD

New Aftermarket New C12 Water Pump, Type: Water Pump

Condition	Used
Part Number	1767000
Stock Number	522-12578
MLS Number	14520330
Category	Water Pumps
Last Updated	8/4/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Aftermarket Caterpillar C12 Oil Cooler

$930 USD

New Aftermarket C12 Oil Cooler, Type: Oil Cooler

Quantity	2
Condition	Used
Part Number	1154517
Stock Number	506-13552
MLS Number	14520326
Category	Engine Oil Coolers
Last Updated	8/4/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1998 Caterpillar C12 Turbocharger / Supercharger for a Kenworth T800

$500 USD

(USED) CAT C12 Model: - Wastegate: YES Part #: 0R-7575 Ref# 0

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Part Number	0
Stock Number	25739390
MLS Number	13325148
Category	Turbochargers / Superchargers
Last Updated	7/29/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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

$1,495 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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Part Number	145-7805-02
Stock Number	25804650
MLS Number	13617824
Category	Engine Control Modules (ECM)
Last Updated	7/30/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2000 Caterpillar C12 Engine Control Module (ECM) for a CAT C12

$625 USD

Condition	Used
Horse Power	410 HP
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	2678171
MLS Number	14498061
Category	Engine Control Modules (ECM)
Last Updated	7/23/2026
Location	Watseka, IL, US
Sold By	LKQ Heavy Truck

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Caterpillar C12 Engine Core

Contact for price

(Core) Engine does Turn 360 Degrees Complete, 1998 Caterpillar C12, ENGINE ASSEMBLY- Family Number: WCPXH0729ERK, Displacement: 11.9L, Horsepower: 355, Serial Number: 9NS13180, ECS: EM, DI,...

Condition	Used
Horse Power	355 HP
Stock Number	P-114676
MLS Number	14018999
Category	Engine Cores
Last Updated	10/3/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2000 Caterpillar C12 Engine Mount for a Peterbilt 385

$350 USD

PETERBILT SUPPORT-ENGINE FRONT CAST ALUM 05-15046M002

Quantity	3
Condition	Used
Engine Model	CAT C12
Fits To Make(s)	PETERBILT
Fits To Model(s)	385
Stock Number	101773
MLS Number	12322907
Category	Engine Mounts
Last Updated	6/25/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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Caterpillar C12 Engine Control Module (ECM)

$1,025 USD

--- Nous livrons partout au Canada aux États-Unis. We ship anywhere in Canada USA--- - Stock: 523ECM - Caterpillar 3126 (70 pins) - Engine Control Module - P/N : 206-2700-02 - No core...

Condition	Used
Part Number	206-2700-02
Stock Number	523ECM
MLS Number	14423883
Category	Engine Control Modules (ECM)
Last Updated	6/13/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert