Used Caterpillar C12 Engine Parts For Sale by Dealerships

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

Caterpillar C12 Cam Follower for a 1999 Kenworth T800

$250 USD

Good used Cam follower from a Caterpillar C12 engine. The cam follower has been visually inspected and is in good condition. The cam follower rollers spin freely. The roller brackets move...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-14
Stock Number	240092-14
MLS Number	13203263
Category	Cam Followers
Last Updated	12/3/2025
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

(844) 925-___ SHOW
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7 0

Caterpillar C12 Engine Block / Cylinder Block

$1,500 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...

Condition	Used
Stock Number	203332
MLS Number	14004631
Category	Engine Blocks / Cylinder Blocks
Last Updated	11/27/2025
Location	Felda, FL, US
Sold By	Delauto Used Truck Parts

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7 0

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...

Condition	Used
Stock Number	203330
MLS Number	14004629
Category	Engine Control Modules (ECM)
Last Updated	11/27/2025
Location	Felda, FL, US
Sold By	Delauto Used Truck Parts

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Caterpillar C12 Air Compressor

$300 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...

Condition	Used
Stock Number	203326
MLS Number	14004625
Category	Engine Air Compressors
Last Updated	11/27/2025
Location	Felda, FL, US
Sold By	Delauto Used Truck Parts

(801) 478-___ SHOW
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4 0

Caterpillar C12 Engine Mount

$150 USD

K234-2194 SUPPORT-ENGINE REAR LH

Condition	Used
Engine Model	CAT C12 C13
Side	Left
Stock Number	103226
MLS Number	13174169
Category	Engine Mounts
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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Used C12 Caterpillar Tensioner Bracket

$125 USD

Used C12 Caterpillar Tensioner Bracket, Type: Belt Tensioner Bracket, Material: Cast Iron

Condition	Used
Part Number	1482012
Stock Number	502-15577
MLS Number	13987739
Category	Engine Brackets
Last Updated	11/18/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Caterpillar C12 A/C & Fan Bracket

$250 USD

Used C12 A/C Fan Bracket, Type: A/C Fan Bracket, Material: Cast Iron

Quantity	2
Condition	Used
Part Number	1666365
Stock Number	502-15588
MLS Number	13983666
Category	Engine Brackets
Last Updated	11/14/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

4 0

Used Caterpillar C12 Belt Tensioner Bracket

$125 USD

Used C12 Belt Tensioner Bracket, Type: Belt Tensioner Bracket, Material: Steel

Condition	Used
Part Number	1482012
Stock Number	502-15586
MLS Number	13983665
Category	Engine Brackets
Last Updated	11/14/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Caterpillar C12 Belt Tensioner Bracket

$85 USD

Used C12 Belt Tensioner Bracket, Type: Belt Tensioner Bracket, Material: Steel

Condition	Used
Part Number	1337040
Stock Number	502-15578
MLS Number	13983664
Category	Engine Brackets
Last Updated	11/14/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Caterpillar C12 Tensioner Bracket

$125 USD

Used C12 Tensioner Bracket, Type: Belt Tensioner Bracket, Material: Steel

Condition	Used
Part Number	1482012
Stock Number	502-15585
MLS Number	13974810
Category	Engine Brackets
Last Updated	11/10/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(305) 688-___ SHOW
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Caterpillar C12 Engine Control Module (ECM) 70-PIN

Contact for price

(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 #...

Condition	Used
Stock Number	4209
MLS Number	12033422
Category	Engine Control Modules (ECM)
Last Updated	11/5/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

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Caterpillar C12 Front Engine Cover for a Caterpillar C-12

$175 USD

Good used, cleaned and inspected Caterpillar C-12 front cover. Part number: 129-0100

Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C-12
Part Number	129-0100
Stock Number	Ryd 129-0100
MLS Number	11731456
Category	Front Engine Covers
Last Updated	11/3/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Caterpillar C12 Rocker Arm

$75 USD

Used take off Caterpillar C-12 Rocker Arm. Part number: 115-9406

Quantity	22
Condition	Used
Fits To Make(s)	CATERPILLAR
Part Number	115-9406
Stock Number	Ryd 115-9406
MLS Number	10687868
Category	Rocker Arms
Last Updated	11/3/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2 0

Caterpillar C12 Engine Brake for a Caterpillar C-12

$175 USD

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

Quantity	32
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	11/3/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Caterpillar C12 Front Engine Cover

$150 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada USA. – Stock: 9012FC – Caterpillar C15 - Front Gear Cover (Peanut Cover) - P/N: 279-9012, Serial#: Other

Condition	Used
Part Number	2799012
Stock Number	9012FC
MLS Number	13958360
Category	Front Engine Covers
Last Updated	10/31/2025
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

4 0

Caterpillar C12 Engine Oil Pan for a Caterpillar C-12

$200 USD

Good used, cleaned and inspected Caterpillar C-12 Oil Pan. Part Number: 138-2548, 507-0655

Quantity	2
Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C-12
Part Number	138-2548
Stock Number	Ryd 138-2548
MLS Number	10204031
Category	Engine Oil Pans
Last Updated	10/28/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(844) 402-___ SHOW
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Caterpillar C12 Engine Control Module (ECM)

Contact for price

(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...

Condition	Used
Stock Number	P-113087
MLS Number	13907581
Category	Engine Control Modules (ECM)
Last Updated	10/22/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 794-___ SHOW
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Caterpillar C12 Engine Part

$50 USD

Caterpillar C12 Thermostat Housing, Part # 1182801

Condition	Used
Stock Number	4537370
MLS Number	13889933
Category	Engine Miscellaneous Parts
Last Updated	10/15/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Caterpillar C12 Engine Part

$50 USD

Caterpillar C10, C12, C13 Turbo Air Transfer Elbow, Part# 1260073

Condition	Used
Stock Number	4536598
MLS Number	13889072
Category	Engine Miscellaneous Parts
Last Updated	10/15/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2000 Used Caterpillar C12 Idler Gear

$86 USD

Used C12 Idler Gear, Type: Idler Gear

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2000
Part Number	1337087
Stock Number	513-26242
MLS Number	13847544
Category	Engine Gears
Last Updated	9/25/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(833) 283-___ SHOW
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2000 Caterpillar C12 Engine Control Module (ECM)

$1,195 USD

CAT C-12 ECM, Parts # 145-7806-02. $1195.00,

Condition	Used
Stock Number	PT 1432
MLS Number	11427369
Category	Engine Control Modules (ECM)
Last Updated	9/25/2025
Location	Niles, MI, US
Sold By	Worldwide Diesel

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1997 Used Caterpillar C12 Oil Fill Tube

$25 USD

Used C12 Oil Fill Tube, Type: Oil Fill Tube

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	1997
Part Number	1364347
Stock Number	563-10620
MLS Number	13843688
Category	Engine Oil Dipsticks
Last Updated	9/24/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2002 Used Caterpillar C12 Oil Dipstick Guide Tube

$150 USD

Used C12 Oil Dipstick Guide Tube, Type: Oil Dipstick Guide Tube

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2002
Part Number	2178927
Stock Number	563-10532
MLS Number	13843570
Category	Engine Oil Dipsticks
Last Updated	9/24/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts