Caterpillar C12 Engine Parts For Sale

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Caterpillar C12 Engine Control Module (ECM) for a 2002 Oshkosh S-SERIES

$998.98 USD

(Used) 2001 Caterpillar C12, ENGINE ECM- Part Number: 179-1747-01, Serial Number: 33815150KM, Engine Information- Family Number: 1CPXH0729ERK, Serial Number: 2KS76569, 2 Rectangular Plug...

Condition	Used
Fits To Make(s)	Oshkosh
Fits To Model(s)	S-SERIES
Will Fit Year(s)	2002
Part Number	179-1747-01
Stock Number	P-76697
MLS Number	12742469
Category	Engine Control Modules (ECM)
Last Updated	3/11/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar C12 Engine Part Long Control Mounting Plate for C7, C9, 3126, C10, C12, 3406E, C18, C15, C16, C11, C13

$49.99 USD

(GOOD USED) OEM Caterpillar Long Control Mounting Plate, for sale!!!! Part #: 133-3489; Engine Models: C7, C9, 3126, C10, C12, 3406E, C18, C15, C16, C11, C13; Stock #: IN1302 For more...

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C7, C9, 3126, C10, C12, 3406E, C18, C15, C16, C11, C13
Part Number	133-3489
Stock Number	IN1302
MLS Number	13295455
Category	Engine Miscellaneous Parts
Last Updated	12/20/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

2002 Used Caterpillar C12 Oil Fill Neck

$40 USD

Used C12 Oil Fill Neck, Type: Oil Fill Neck

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2002
Part Number	7C2920
Stock Number	526-12057
MLS Number	13280206
Category	Engine Plumbing
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2002 Used Caterpillar C12 Front Support Bracket

$81 USD

Used C12 Front Support Bracket, Type: Front Support Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2002
Part Number	1694180
Stock Number	502-18078
MLS Number	13274788
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1998 Used Caterpillar C12 Oil Pump Elbow

$95 USD

Used C12 Oil Pump Elbow, Type: Oil Pump Elbow

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	1998
Part Number	1220760
Stock Number	551-10416
MLS Number	13274769
Category	Engine Oil Pumps
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1998 Used Caterpillar C12 Air Compressor Bracket

$65 USD

Used C12 Air Compressor Bracket, Type: Air Compressor Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	1998
Part Number	1382540
Stock Number	502-18056
MLS Number	13274767
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Caterpillar C12 Diesel Engine Intake Transfer Elbow, Part # 352214701

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(GOOD USED) Caterpillar C12 Diesel Engine Intake Transfer Elbow P/N 352214701, Serial#: 1

Condition	Used
Part Number	352214701
Stock Number	295463360
MLS Number	13272199
Category	Engine Miscellaneous Parts
Last Updated	3/22/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

Caterpillar C12 Timing Cover

$300 USD

(GOOD USED) OEM Caterpillar C12 Diesel Engine Front Timing Cover, for sale!!! Part #: 138-2008; Stock #: C1111 For more information about this listing, shipping, technical questions email us...

Condition	Used
Part Number	138-2008
Stock Number	C1111
MLS Number	13267301
Category	Timing Covers
Last Updated	12/3/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

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Caterpillar C12 Engine Control Module (ECM)

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(Core) 2004 Caterpillar C13, ENGINE ECM- Part Number: 627-05-9100B, Serial Number: 221-7875, ESN: MBL17896, 2 Rectangular Plugs with 70 Pins each, For more information about this item, give...

Condition	Used
Part Number	627-05-9100B
Stock Number	P-93063
MLS Number	13255845
Category	Engine Control Modules (ECM)
Last Updated	12/7/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar C12 Engine Control Module (ECM)

$2,000 USD

(GOOD USED/ TESTED) OEM Caterpillar C12 Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 1538414-02; Supersession Part #: 124-2673, 115-3055, 212-9450, 10R-4085; Stock #:...

Condition	Used
Part Number	1538414-02
Stock Number	E3983
MLS Number	13232677
Category	Engine Control Modules (ECM)
Last Updated	11/15/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Used Caterpillar C12 Piston/Rod for 1999 Kenworth T800, Part # 240092-32

$100 USD

Good used Piston and Rod from a Caterpillar C12 engine. The piston and rod have been visually inspected and are in good condition. The piston and rod move back and forth freely. The piston...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-32
Stock Number	240092-32
MLS Number	13208360
Category	Pistons & Rod Parts
Last Updated	3/25/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Oil Pick Up Tube, Part # 240092-31 for 1999 Kenworth T800

$75 USD

Good used Oil pick up tube from a Caterpillar C12 engine. The oil pick up tube has been visually inspected and is in good condition. The oil pick up tube has corrosion, please refer to the...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-31
Stock Number	240092-31
MLS Number	13208359
Category	Engine Miscellaneous Parts
Last Updated	3/25/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Engine Brake for a 1999 Kenworth T800

$175 USD

Good used Engine brake from a Caterpillar C12 engine. The engine break has been visually inspected and is in good condition. The engine break has minor rust, please refer to the photos...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-30
Stock Number	240092-30
MLS Number	13208358
Category	Engine Brakes / Jake Brakes
Last Updated	11/1/2024
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Rocker Arm for a 1999 Kenworth T800

$125 USD

Good used Rocker Arm assembly from a Caterpillar C12 engine. The rocker arm assembly has been visually inspected and is in good condition. The rocker arm moves freely. The rocker arm has...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240992-29
Stock Number	240092-29
MLS Number	13208357
Category	Rocker Arms
Last Updated	11/1/2024
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Cam Cover for 1999 Kenworth T800, Part # 118-0459

$75 USD

Good, used cam cover from a Caterpillar C12 engine. The cam cover has been visually inspected and is in good working condition. The cam cover has rust, corrosion, and chipped paint, please...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-27
Stock Number	240092-27
MLS Number	13208355
Category	Engine Miscellaneous Parts
Last Updated	3/25/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Bearing with Gear for 1999 Kenworth T800

$75 USD

Good used Bearing with gear from a Caterpillar C12 engine. The bearing and gear have been visually inspected and are in good condition. The gear spins freely. The teeth gear is in good...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-21
Stock Number	240092-21
MLS Number	13206251
Category	Engine Miscellaneous Parts
Last Updated	3/25/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Engine Cover for 1999 Kenworth T800, Part # 240092-19

$25 USD

Good used Cover from a Caterpillar C12 engine. The cover has been visually inspected and is in good condition. The cover has corrosion and scuff marks, please refer to the photos provided....

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-19
Stock Number	240092-19
MLS Number	13206249
Category	Engine Miscellaneous Parts
Last Updated	3/25/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Water Manifold with Thermostat Housing for 1999 Kenworth T800

$100 USD

Good used Water manifold with thermostat housing from a Caterpillar C12 engine. The water manifold and thermostat housing have been visually inspected and are in good condition. The water...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-16
Stock Number	240092-16
MLS Number	13206244
Category	Engine Miscellaneous Parts
Last Updated	3/25/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Caterpillar C12 Fuel Filter Base for 1999 Kenworth T800, Part # 240092-15

$75 USD

Good used fuel filter base from a Cummins C12 engine. The fuel filter base has been visually inspected and is in good working condition. The filter bas has corrosion and chipped paint. The...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Part Number	240092-15
Stock Number	240092-15
MLS Number	13203264
Category	Engine Miscellaneous Parts
Last Updated	3/25/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Used Caterpillar C12 Inner Front Cover

$450 USD

Used C12 Inner Front Cover, Type: Inner Front Cover

Quantity	4
Condition	Used
Part Number	1260100
Stock Number	507-17004
MLS Number	13197010
Category	Engine Covers
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Caterpillar C12 Engine Oil Pan

$550 USD

OEM# 4P7360

Condition	Used
Stock Number	13996
MLS Number	10895953
Category	Engine Oil Pans
Last Updated	10/25/2024
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

(801) 478-___ SHOW
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Caterpillar C12 Right Engine Mount for a Peterbilt 379

$250 USD

PETERBILT BRACKET-ENGINE SPRT REAR 05-17915R

Quantity	5
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	10/15/2024
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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Dayco Belt Tensioner for Caterpillar C12, Part # 50-0047 1456231 15170283

$150 USD

USED DAYCO CAT C12 BELT TENSIONER 50-0047. REFERENCE P/N: 1456231, 15170283.

Condition	Used
Stock Number	97150
MLS Number	13155007
Category	Engine Miscellaneous Parts
Last Updated	3/22/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Caterpillar C12 Timing Cover

$300 USD

(GOOD USED) OEM Caterpillar C12 Diesel Engine Front Timing Cover, for sale!!!! Part #: 138-2008; Stock #: C1107 For more information about this listing, shipping, technical questions email...

Condition	Used
Part Number	138-2008
Stock Number	C1107
MLS Number	13145674
Category	Timing Covers
Last Updated	9/30/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.