Caterpillar C12 Engine Parts For Sale

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New Caterpillar C12 Exhaust Valve Bridge W/Jakes

$52 USD

New C12 Exhaust Valve Bridge W/Jakes, Type: Exhaust Valve Bridge

Condition	New
Part Number	1764172
Stock Number	525-14244
MLS Number	9118408
Category	Engine Valve Trains
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Caterpillar C12 Exhaust Valve Bridge W/Jakes

$40 USD

Used C12 Exhaust Valve Bridge W/Jakes, Type: Exhaust Valve Bridge

Condition	Used
Part Number	1764172
Stock Number	525-12442
MLS Number	9059428
Category	Engine Valve Trains
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Caterpillar C12 Valve Cover Part# 132-9825

$85 USD

(GOOD USED) Caterpillar C12 Valve Cover Part# 132-9825, 129-2885, Stock# 2030 All ourPARTSareTESTEDand ShipPRIORITY MAIL!OVERNIGHT SHIPPINGoptions are available! Contact us for more...

Condition	Used
Part Number	132-9825
Stock Number	2030
MLS Number	10042590
Category	Valve Covers
Last Updated	1/14/2020
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Caterpillar C12 Valve Cover Part# 132-9827

$75 USD

(GOOD USED) Caterpillar C12 Valve Cover Part# 132-9827, 131-6665, Stock# 2029 All ourPARTSareTESTEDand ShipPRIORITY MAIL!OVERNIGHT SHIPPINGoptions are available! Contact us for more...

Condition	Used
Engine Model	C12
Part Number	132-9827
Stock Number	2029
MLS Number	10042574
Category	Valve Covers
Last Updated	1/14/2020
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Caterpillar C12 Engine Control Module (ECM) Being Dismantled (Parts Available)

$200 USD

(CORE) Caterpillar C12 Diesel Engine Computer Module, ECM, ECU, for sale!!!!, Stock #: E1806 For more information about this listing, shipping, technical questions email us at...

Condition	Dismantled
Stock Number	E1806
MLS Number	10022079
Category	Engine Control Modules (ECM)
Last Updated	12/20/2019
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

2000 Caterpillar C12 Engine Control Module (ECM)

$1,000 USD

(USED) 2000 Caterpillar C12 Diesel Engine Computer Module, ECM, ECU, 2KS, for sale!!!!!, P/N: 165-0612, 627-05-5100, Stock #: E1759 For more information about this listing, shipping,...

Condition	Used
Horse Power	410 HP
Engine Model	C12
Part Number	165-0612
Stock Number	E1759
MLS Number	9950282
Category	Engine Control Modules (ECM)
Last Updated	10/24/2019
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Caterpillar C12 Engine Control Module (ECM)

$995 USD

(TESTED WITH WARRANTY) Caterpillar C12 Diesel Engine 70-PIN ECM For Sale, 70-PIN, Engine Serial # 2KS23078, Personality Module Part # 1666913-01, Personality Module Code 3, Personality...

Condition	Used
Engine Model	C12
Stock Number	1867
MLS Number	9930964
Category	Engine Control Modules (ECM)
Last Updated	10/4/2019
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

1999 Caterpillar C12 2KS ECM / ECU

$1,000 USD

(USED) 1999 Caterpillar C12 Diesel Engine Computer Module, ECM, ECU, 2KS, for sale!!!!, Stock #: E1724 For more information about this listing, shipping, technical questions email us at...

Condition	Used
Horse Power	410 HP
Stock Number	E1724
MLS Number	9919770
Category	Engine Control Modules (ECM)
Last Updated	9/25/2019
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

1999 Caterpillar C12 ECM / ECU

($17) USD

(USED) Caterpillar C12, 2KS, Diesel Engine Computer, ECM, ECU, for sale!!!!!, STOCK #: E1690 For more information about this listing, shipping, technical questions email us at...

Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	C12
Part Number	2KS
Stock Number	E1690
MLS Number	9893658
Category	Engine Control Modules (ECM)
Last Updated	9/6/2019
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

2000 Caterpillar C12 Engine Control Module (ECM) 40-PIN, Part # 145-7806-01

$795 USD

(GOOD USED/TESTED) Caterpillar C12 40-PIN Diesel Engine ECM Part # 145-7806-01, Personality Module Part # 1919935-00, Personality Module Code 328, Personality Module Release Date APR00, ECM...

Condition	Used
Engine Model	C12
Part Number	145-7806-01
Stock Number	1779
MLS Number	9878831
Category	Engine Control Modules (ECM)
Last Updated	8/26/2019
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

2003 Caterpillar C10 C12 C13 Vibration Dampner Harmonic Balancer Pulley P# 167-8125

$119.99 USD

CATERPILLAR C12 DIESEL ENGINEVIRBATION DAMPNER PULLEY FIT C10 C12 C13, OEM PART# 167-8125, STOCK# 319016-AA.For more information contact us directly.

Condition	Used
Fits To Model(s)	C10, C12, C13
Part Number	167-8125
Stock Number	319016-AA
MLS Number	9598997
Category	Engine Harmonic Balancers
Last Updated	12/18/2018
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

2003 Caterpillar C12 OEM Oil Pump Transfer Elbow Assembly Part# 122-0760, 9Y3794

$69.99 USD

(GOOD USED) 2003 CATERPILLAR C12 OIL TRANSFER LINE, OEM FACTORY PART#122-0760, 9Y3794, STOCK# 318710-AA. For more information contact us directly.

Condition	Used
Part Number	122-0760, 9Y3794
Stock Number	318710-AA
MLS Number	9575949
Category	Engine Miscellaneous Parts
Last Updated	11/19/2018
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

2003 Caterpillar C12 Diesel Engine Front Timing Cover OEM Part# 1694172

$189.99 USD

(USED) 2003 CATERPILLAR C12FRONT TIMING COVER, PART NUMBER 1694172,STOCK NUMBER318709-AA.30. For more information contact us directly.

Condition	Used
Part Number	1694172
Stock Number	318709-AA
MLS Number	9575945
Category	Timing Covers
Last Updated	11/19/2018
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

2003 Caterpillar C12 Diesel Engine Rear Main Seal OEM Part# 160-2323

$49.99 USD

CATERPILLAR C12 DIESEL ENGINE REAR MAIN SEAL, OEM PART# 160-2323, STOCK# 318719-AA. For more information contact us directly.

Condition	Used
Part Number	160-2323
Stock Number	318719-AA
MLS Number	9549779
Category	Engine Seals
Last Updated	10/30/2018
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

2001 Caterpillar C12 Engine Control Module (ECM) for a Peterbilt 385

Newly Listed

$2,420 USD

(USED) CAT C12 Serial #: 2KS60856 CPL/Arr: - HP: 430

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	385
Stock Number	25936624
MLS Number	14135775
Category	Engine Control Modules (ECM)
Last Updated	2/11/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2002 Caterpillar C12 Engine Control Module (ECM) for a Peterbilt 379

$2,420 USD

(USED) CAT C12 Serial #: 2KS75714 CPL/Arr: 189-9544 HP: 380 TESTED

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	25935589
MLS Number	14130350
Category	Engine Control Modules (ECM)
Last Updated	2/7/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2003 Caterpillar C12 Engine Control Module (ECM) for a Sterling L9513

$2,420 USD

(USED) CAT C12 Serial #: 2KS85540 CPL/Arr: 220-7533 HP: 410

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	L9513
Stock Number	25934513
MLS Number	14128380
Category	Engine Control Modules (ECM)
Last Updated	2/6/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2004 Caterpillar C12 Engine Mount for a Peterbilt 378

$184 USD

(USED) CAT C12 Cast#: 05-17918 SET OF MOUNTS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25934230
MLS Number	14126680
Category	Engine Mounts
Last Updated	2/5/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2000 Caterpillar C12 Engine Control Module (ECM) for a Sterling L9513

$2,375 USD

(USED) CAT C12 Serial #: 2KS27090 HP: 370 Ref# 157-3705-02 TESTED GOOD

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	L9513
Part Number	157-3705-02
Stock Number	25888523
MLS Number	13954758
Category	Engine Control Modules (ECM)
Last Updated	1/30/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2000 Caterpillar C12 Engine Control Module (ECM) for a International 9200

$2,375 USD

(USED) CAT C12 Serial #: 2KS44986 HP: 430 Ref# 157-3705 NEEDS TESTED

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9200
Part Number	157-3705
Stock Number	25926340
MLS Number	14104063
Category	Engine Control Modules (ECM)
Last Updated	1/29/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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

$1,995 USD

CATERPILLAR C12 145-7806 LIFETIME WARRANTY

Condition	Remanufactured
Fits To Make(s)	CAT
Fits To Model(s)	C12
Stock Number	LKQ GE1457806
MLS Number	13989236
Category	Engine Control Modules (ECM)
Last Updated	1/13/2026
Location	Lansing, IL, US
Sold By	LKQ Heavy Truck

2005 Caterpillar C12 Engine Control Module (ECM) for a Freightliner Columbia 120

$1,695 USD

(USED) CAT C12 Serial #: 2KS28679 HP: 430 Ref# 157-3705-02

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Part Number	157-3705-02
Stock Number	25903548
MLS Number	14005574
Category	Engine Control Modules (ECM)
Last Updated	1/8/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2005 Caterpillar C12 Engine Control Module (ECM) for a Freightliner Columbia 120

$2,415 USD

(USED) CAT C12 Serial #: 2KS16850 CPL/Arr: - HP: 430 TESTED GOOD

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25910518
MLS Number	14044970
Category	Engine Control Modules (ECM)
Last Updated	12/25/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2001 Caterpillar C12 Engine Control Module (ECM) for a Freightliner FL112

$1,695 USD

(USED) CAT C12 Serial #: 2KS64405 HP: 353 Ref# 627-05-9100 TESTED

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FL112
Part Number	627-05-9100
Stock Number	25896886
MLS Number	13983111
Category	Engine Control Modules (ECM)
Last Updated	11/14/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.