Used Caterpillar C12 Engine Parts For Sale in United States

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2004 Used Caterpillar C12 Oil Cooler

Newly Listed

$325 USD

Used C12 Oil Cooler, Type: Oil Cooler

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2004
Part Number	1154514
Stock Number	506-13296
MLS Number	14239743
Category	Engine Oil Coolers
Last Updated	3/12/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Caterpillar C12 Vibration Damper for a 1999 Kenworth T800

Recently Updated

$75 USD

Good used Balancer from a Caterpillar C12 engine. The balancer has been visually inspected and is in good condition. The balancer has rust, corrosion, chipped paint, and scuff marks, please...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-17
Stock Number	240092-17
MLS Number	13206246
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Vibration Damper for a 2000 Freightliner FLD120

Recently Updated

$100 USD

Good, used harmonic balancer from a CAT C12 engine. The balancer has been visually inspected and is in good working condition. There is no visible damage seen on the part. There is visible...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Will Fit Year(s)	2000
Part Number	220503-10
Stock Number	220503-10
MLS Number	11987740
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Vibration Damper

Recently Updated

$100 USD

Good, used harmonic balancer from a CAT C12 engine. The balancer has been inspected and is in good working condition. There is no visible damage seen on the part. There is visible rust on...

Condition	Used
Part Number	P-10268
Stock Number	P-10268
MLS Number	11234889
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Vibration Damper

Recently Updated

$100 USD

Good used Harmonic Balancer Pulley off a Cat C12 casting number (9Y3467). Please see pictures, call or email for more information. We ship anywhere. Thank you., Serial#: 9Y3467, Core Charge:...

Condition	Used
Part Number	P-5977
Stock Number	P-5977
MLS Number	9845006
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Vibration Damper

Recently Updated

$100 USD

Good used Harmonic Balancer off a Cat C12 casting number (7E-0978). Please see pictures, call or email for more information. We ship anywhere. Thank you., Serial#: 7E-0978, Core Charge: 0.00...

Condition	Used
Part Number	p-5968
Stock Number	P-5968
MLS Number	9844998
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

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Caterpillar C12 Engine Brake for a Jacobs Brake 312A

Recently Updated

$1,800 USD

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

Condition	Used
Fits To Make(s)	Jacobs Brake
Fits To Model(s)	312A
Part Number	312A
Stock Number	9657
MLS Number	9063010
Category	Engine Brakes / Jake Brakes
Last Updated	3/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Used Caterpillar C10/C12 Rear Engine Mount

Recently Updated

$40 USD

USED CATERPILLAR C10/C12 REAR ENGINE MOUNT, Air/Hydraulic: Air/Hydraulic, Core Charge: 0.00

Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C12
Stock Number	52119
MLS Number	10272165
Category	Engine Mounts
Last Updated	3/11/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

CAT C12 Engine Mount, Good And Inspected

Recently Updated

Contact for price

CAT C12 ENGINE MOUNT, GOOD AND INSPECTED., Air/Hydraulic: Air/Hydraulic, Core Charge: 0.00

Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C12
Stock Number	5807
MLS Number	10272101
Category	Engine Mounts
Last Updated	3/11/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

CAT C12 Engine Mount

Recently Updated

Contact for price

CAT C12 ENGINE MOUNT., Air/Hydraulic: Air/Hydraulic, Core Charge: 0.00

Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C12
Stock Number	6278
MLS Number	10272096
Category	Engine Mounts
Last Updated	3/11/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

Engine Mount For A CAT C12 Engine. Good And Inspected

Recently Updated

Contact for price

ENGINE MOUNT FOR A CAT C12 ENGINE. GOOD AND INSPECTED., Air/Hydraulic: Air/Hydraulic, Core Charge: 0.00

Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C12
Stock Number	5808
MLS Number	10272085
Category	Engine Mounts
Last Updated	3/11/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

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Caterpillar C12 Engine Brake for a Caterpillar C-12

$175 USD

Used take off Caterpillar C-12 Jake head. Part number: 021078

Quantity	31
Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C-12
Part Number	021078
Stock Number	Ryd 021078
MLS Number	10687865
Category	Engine Brakes / Jake Brakes
Last Updated	3/4/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Caterpillar C12 Engine Mount for a CAT C12

$100 USD

Quantity	2
Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	2603912
MLS Number	14184708
Category	Engine Mounts
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Engine Mount for a CAT C12

$150 USD

FTLINER

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	2603131
MLS Number	14184677
Category	Engine Mounts
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar Valve Cover for a CAT C12

$50.24 USD

USED CAT C12 VALVE COVER, P/N 9Y4580

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1989042
MLS Number	10836576
Category	Valve Covers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Front Engine Cover for a CAT C12

$125.24 USD

TIMING COVER FRONT(PLATE), CAT, C12, P/N 1300910

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1982192
MLS Number	10836476
Category	Front Engine Covers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Engine Oil Pump for a CAT C12

Price Drop $112 USD

CAT C12 OIL PUMP COMPLETE 9Y8073

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1886114
MLS Number	10835453
Category	Engine Oil Pumps
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar Front Engine Cover for a CAT C12

$125.24 USD

C12 (OUTER) 130-0910

Quantity	2
Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1886059
MLS Number	10835441
Category	Front Engine Covers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Engine Oil Pump for a CAT C12

$112 USD

CAT C12 OIL PUMP 237-1608

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1885997
MLS Number	10835433
Category	Engine Oil Pumps
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Engine Oil Cooler for a CAT C12

Price Drop $48.30 USD

CAT C13 OIL COOLER, **NOT COMPLETE**

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1885995
MLS Number	10835432
Category	Engine Oil Coolers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Valve Cover for a CAT C12

Price Drop $50.24 USD

CAT C12 NON BREATHER 132-9825

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1883887
MLS Number	10835355
Category	Valve Covers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Valve Cover for a CAT C12

Price Drop $50.24 USD

CAT C12 NON BREATHER 129-2885

Quantity	3
Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1883883
MLS Number	10835353
Category	Valve Covers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Valve Cover for a CAT C12

Price Drop $50.24 USD

C12 NON BREATHER VALVE COVER 9Y4580

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1883859
MLS Number	10835350
Category	Valve Covers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

Caterpillar C12 Valve Cover for a CAT C12

Price Drop $50.24 USD

131 6665

Quantity	2
Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	1798946
MLS Number	10834554
Category	Valve Covers
Last Updated	3/1/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck