New Caterpillar Engine &amp; Powertrain For Sale in United States

New Caterpillar Injector Cup O-Ring for 3406E/C15/C16/C18, Part # 166-2903

Recently Updated

$2.99 USD

INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 5., Serial#: 166-2903, Core Charge: 0, Casting#: 166-2903

Condition	New
Part Number	166-2903 321268
Stock Number	321268
MLS Number	14545331
Category	Engine Miscellaneous Parts
Last Updated	9/18/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar Injector Cup O-Ring for 3406E/C15/C16/C18, Part # 166-2904 321269

Recently Updated

$2.99 USD

INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 5., Serial#: 166-2904, Core Charge: 0, Casting#: 9X7430

Condition	New
Part Number	166-2904 321269
Stock Number	321269
MLS Number	14545330
Category	Engine Miscellaneous Parts
Last Updated	9/18/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar Injector Cup O-Ring for 3406E/C15/C16/C18, Part # 9X7430

Recently Updated

$2.99 USD

INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 7., Serial#: 321266, Core Charge: 0, Casting#: 9X7430

Condition	New
Part Number	9X7430 321266
Stock Number	321266
MLS Number	14545329
Category	Engine Miscellaneous Parts
Last Updated	9/18/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar C15/3406E Head Bolt 3/4-16 x 7-5/8, Grade 8, Part # 340004 / 124-1855 / 9X8904

Recently Updated

$9.97 USD

NEW C15 / 3406E HEAD BOLT 3/4-16 x 7-5/8, 12 pt., Grade 8. Engines use (16) 340004 and (10) 340003, Serial#: 340004 124-1855 9X8904, Core Charge: 0, Casting#: 340004 124-1855 9X8904

Condition	New
Part Number	340004 124-1855 9X8904
Stock Number	340004
MLS Number	10628297
Category	Engine Miscellaneous Parts
Last Updated	9/18/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Camshaft

Recently Updated

$895 USD

NEW AFTERMARKET CAMSHAFT. FITS MULTIPLE 3406E AND C15 6NZ SERIES CAT ENGINES. NEW NO CORE. 1 YEAR WARRANTY, Serial#: 6NZ SERIES, Core Charge: 0, Casting#: 6NZ SERIES

Condition	New
Part Number	CAP391907 1390538 139-0538 391907E
Stock Number	391907
MLS Number	9932265
Category	Camshafts
Last Updated	9/18/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar Upper End Head Set for 3406E & C15 Non-ACERT, Part # C15003 3406463 406463

Recently Updated

$644.28 USD

NEW UPPER END HEAD SET. SEE PICTURE FOR INCLUDED COMPONENTS. FITS MOST 3406E C15 NON ACERT APPLICATION, Serial#: NON ACERT, Core Charge: 0, Casting#: NON ACERT

Condition	New
Part Number	C15003 3406463 406463
Stock Number	C15003
MLS Number	9915503
Category	Engine Miscellaneous Parts
Last Updated	9/17/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 ACERT Cylinder Head

$3,470 USD

New loaded assembled aftermarket CAT cylinder head. For Acert twin turbo. Bolts washers included. Vacuum, pressure and fuel line tested. Inconel exhaust valves CAT P/N 2239250, 223-9250....

Quantity	4
Condition	New
Stock Number	2239250
MLS Number	12886172
Category	Cylinder Heads
Last Updated	9/15/2026
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Caterpillar C15 Cylinder Head

$3,405 USD

New loaded assembled aftermarket CAT cylinder head. Bolts washers included. Vacuum, pressure and fuel line tested. Inconel exhaust valves CAT P/N 183-5296, 1835296. Additional cross...

Quantity	3
Condition	New
Stock Number	1835296
MLS Number	12886173
Category	Cylinder Heads
Last Updated	9/15/2026
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Caterpillar C13 Cylinder Head

$3,250 USD

New loaded assembled aftermarket CAT C13 cylinder head. Also compatible with C11. Will not fit LEE prefix!, CAT P/N 13453752, 345-3752 This part is located at our Scranton, PA facility

Quantity	13
Condition	New
Stock Number	3453752
MLS Number	12886170
Category	Cylinder Heads
Last Updated	9/15/2026
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Caterpillar C12 Cylinder Head

$2,500 USD

New loaded assembled aftermarket CAT cylinder head. Also compatible with C10 CAT P/N 1482144, 148-2144. Additional cross reference #s4P6510, 162-0638, 200-1282, 148-2144, 162-0623, This...

Quantity	5
Condition	New
Stock Number	1482144
MLS Number	12886171
Category	Cylinder Heads
Last Updated	9/15/2026
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

New Caterpillar Front Main Seal Wear Sleeve for 3208/1160/3160/3204, Part # 7C6660 336051

$16.95 USD

NEW FRONT MAIN SEAL WEAR SLEEVE. FITS 3208 1160 3160 3204 CAT REPLACES 7C6660 336051 9N307, Serial#: 3208, Core Charge: 0, Casting#: 7C6660 336051 9N307

Condition	New
Part Number	7C6660 336051
Stock Number	7C6660
MLS Number	14598629
Category	Engine Miscellaneous Parts
Last Updated	9/12/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar Rear Main Seal Wear Sleeve for 3208/1160/3160/3204, Part # 7W3200

$14.95 USD

NEW REAR MAIN SEAL WEAR SLEEVE. FITS 3208 1160 3160 3204 CAT, Serial#: 3208, Core Charge: 0, Casting#: 336006 9L8336

Condition	New
Part Number	7W3200 336006 1W0036 5R8543 9L8336
Stock Number	9L8336
MLS Number	14598628
Category	Engine Miscellaneous Parts
Last Updated	9/12/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar 3126E Fuel Supply / Lift Pump, Part # 128-2050 380161

$89.93 USD

NEW FUEL SUPPLY PUMP / LIFT FOR CAT 3126E. FITS MANY APPLICATIONS. REPLACES 128-2050 380161. 2000-2004, Serial#: 128-2050, Core Charge: 0, Casting#: 128-2050

Condition	New
Part Number	128-2050 380161
Stock Number	128-2050
MLS Number	14598627
Category	Engine Miscellaneous Parts
Last Updated	9/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar 3406ABC Rod Bearing Standard Grooved, Part # 9Y9497G

$14.95 USD

NEW ROD BEARING. FITS MANY 3406ABC MODELS. STANDARD. GROOVED STYLE. REPLACES CAT 9Y9497G, Serial#: 9Y9497G, Core Charge: 0, Casting#: 9Y9497G

Condition	New
Part Number	9Y9497G
Stock Number	9Y9497G
MLS Number	14598626
Category	Engine Miscellaneous Parts
Last Updated	9/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New OEM Caterpillar C12 Valve Bridge, Part # 176-4268

$42 USD

NEW OEM VALVE BRIDGE. FITS C12 APPLICATION. PART# 176-4268. PRICE PER BRIDGE., Serial#: 176-4268, Core Charge: 0, Casting#: 176-4268

Condition	New
Part Number	176-4268
Stock Number	176-4268
MLS Number	14598624
Category	Engine Miscellaneous Parts
Last Updated	9/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar 3406 Rod Bearing Oversized +.025 Grooved, Part # 4W5702G

$19.99 USD

NEW ROD BEARING. FITS MANY 3406ABC MODELS. OVERSIZED +.025. GROOVED STYLE. REPLACES CAT 4W5702G, Serial#: 4W5702G, Core Charge: 0, Casting#: 4W5702G

Condition	New
Part Number	4W5702G
Stock Number	4W5702G
MLS Number	14598623
Category	Engine Miscellaneous Parts
Last Updated	9/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Surplus Mahle +0.010 Oversize Bearing for Caterpillar 3406A/B/C

$14.95 USD

SURPLUS MAHLE BEARING. FITS MANY 3406ABC MODELS. OVERSIZED +.010. REPLACES CAT 1W7524 6N3908 6N7436 8N5426 9N6321 9Y9497 328-5574 217-0586, Serial#: 1W7524 6N3908 6N7436 8N5426 9N6321...

Condition	New
Part Number	1W7524 6N3908 6N7436 8N5426 9N6321 9Y9497 328-5574 217-0586
Stock Number	CB1262AL-10
MLS Number	14598622
Category	Engine Miscellaneous Parts
Last Updated	9/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar 3406A/B/C Intake/Exhaust Valve Push Tube / Push Rod, Part # 379-0168 4N5609 4W5998

$21.43 USD

NEW INTAKE OR EXHAUST VALVE PUSH TUBE / PUSH ROD. FITS MOST 3406 A BC MODELS. REPLACES CAT 379-0168 4N5609 4W5998, Serial#: 391833, Core Charge: 0, Casting#: 379-0168 4N5609 4W5998

Condition	New
Part Number	379-0168 4N5609 4W5998 331833
Stock Number	391833
MLS Number	14598621
Category	Engine Miscellaneous Parts
Last Updated	9/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar C12 Front Cover Gasket Kit, Part # 331548

$199 USD

NEW FRONT COVER GASKET KIT FOR C12 CAT. REPLACES CAT PART # 190-0082 211-9974 216-6248 221-3886 230-2529, Serial#: 331548, Core Charge: 0, Casting#: 331548

Condition	New
Part Number	331548 190-0082 211-9974 216-6248 221-3886 230-2529
Stock Number	331548
MLS Number	14598620
Category	Engine Miscellaneous Parts
Last Updated	9/12/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar 3306 Inframe Overhaul Gasket Kit, Part # 406112NLS

$359 USD

NEW INFRAME OVERHAUL GASKET KIT. FITS CAT 3306 ENGINES. CHECK FITMENT WITH ENGINE SERIAL #., Serial#: 406112NLS, Core Charge: 0, Casting#: 406112NLS

Condition	New
Part Number	406112NLS
Stock Number	406112NLS
MLS Number	14594584
Category	Engine Miscellaneous Parts
Last Updated	9/10/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar C15 ACERT Front Structure Kit, Replaces Cat 348-3681

$370.90 USD

NEW FRONT STRUCTURE KIT. ALL HARDWARE TO REPLACE FRONT COVER FROM BLOCK OUT ON A C15 ACERT ENGINE. REPLACES CAT 348-3681, Serial#: MXS BXS NXS, Core Charge: 0, Casting#: 331572

Condition	New
Part Number	331572 348-3681
Stock Number	331572
MLS Number	14594582
Category	Engine Miscellaneous Parts
Last Updated	9/10/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

New Caterpillar C13 Oil Pan Gasket Kit, Part # 217-3673 / 217-3674

$224.33 USD

NEW OIL PAN GASKET KIT FITS C13 ENGINE MODEL. COMES WITH PAN GASKET, ISOLATORS AND O-RING. 217-3673 2-17-3674(14), Serial#: 331450, Core Charge: 0, Casting#: 331450

Condition	New
Part Number	331450 217-3673 217-3674
Stock Number	331450
MLS Number	14594581
Category	Engine Miscellaneous Parts
Last Updated	9/10/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3208 Out of Frame Gasket Kit, Part # 208011 331122

$465 USD

NEW 3208 OUT OF FRAME GASKET KIT. FITS MANY APPLICATIONS. REPLACES 208011331122, Serial#: 208011, Core Charge: 0, Casting#: 208011

Condition	New
Part Number	208011 331122
Stock Number	208011
MLS Number	14594580
Category	Engine Miscellaneous Parts
Last Updated	9/10/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C12 Front Cover Gasket, Part # 331472 174-2475

$64.71 USD

NEW FRONT COVER GASKET FOR C12. BETWEEN OUTER AND INNER COVER. NOT TO BLOCK. FITS MANY C12 APPLICATIONS. REPLACES 331472 174-2475, Serial#: 331472, Core Charge: 0, Casting#: 331472

Condition	New
Part Number	331472 174-2475
Stock Number	331472
MLS Number	14594579
Category	Engine Miscellaneous Parts
Last Updated	9/10/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts