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Caterpillar C12 Engine & Powertrain For Sale in United States

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Showing 1 - 25 of 687 Listings

1 - 25 of 687 listings
1 - 25 of 687 listings
New Caterpillar C12 Front Main Exciter Sleeve Seal, Part # 336038

New Caterpillar C12 Front Main Exciter Sleeve Seal, Part # 336038

$17.91 USD
NEW FRONT MAIN EXCITER SLEEVE SEAL. FITS MULTIPLE C12 APPLICATIONS. REPLACES 144-1275. PICTURE REFERENCE # 19, Serial#: 1441275 336038, Core Charge: 0, Casting#: 144-1275 336038
ConditionNew
Part Number336038
Stock Number336038
MLS Number14545326
CategoryEngine Miscellaneous Parts
Last Updated8/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Caterpillar C12 Crankshaft for a 2003 Peterbilt 385

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
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)385
Will Fit Year(s)2003
Part Number116-1072
Stock Number122223-31
MLS Number14542976
CategoryCrankshafts
Last Updated8/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Caterpillar C12 Engine Control Module ECM ECU 212-9450 117-4212-02 10R-4085

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...
ConditionUsed
Part Number212-9450
Stock NumberE4642
MLS Number14537116
CategoryEngine Control Modules (ECM)
Last Updated8/12/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Caterpillar C12 Engine Control Module (ECM) for a Kenworth T2000

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
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T2000
Part Number145-7805-02
Stock Number25804650
MLS Number13617824
CategoryEngine Control Modules (ECM)
Last Updated7/30/2026
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
Caterpillar C12 Water Pump

Caterpillar C12 Water Pump

$273.50 USD
NEW Water Pump Assembly CaterpillarC10 / C12 application, check part #'s for compatibility., Serial#: 381800 0R-0705 0R-8767 100-6944 10R-3709 153-8053 176-7000 352-2077, Core Charge: 0,...
ConditionNew
Part Number381808 0R-0705 0R-8767 100-6944 10R-3709 153-8053 176-7000 352-2077
Stock Number381808
MLS Number10529419
CategoryWater Pumps
Last Updated6/24/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
New Caterpillar C10/C12/C13 Rear Main Seal Kit, Part # 336016 7C1728 5332152 2264757

New Caterpillar C10/C12/C13 Rear Main Seal Kit, Part # 336016 7C1728 5332152 2264757

$44.99 USD
NEW C10 C12 C13 REAR MAIN SEAL KIT., Serial#: 336016, Core Charge: 0, Casting#: 336016
ConditionNew
Fits To Make(s)Universal
Fits To Model(s)Universal
Part Number336016 7C1728 5332152 2264757
Stock Number336016
MLS Number13483106
CategoryEngine Miscellaneous Parts
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
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