New Caterpillar Truck Parts For Sale in United States

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2021 Caterpillar C4.4 Engine

$16,750 USD

(NEW) 2021 Caterpillar C4.4 Industrial Diesel Engine Tier 4 Final (Turbo Compound), Serial # W7N86294, AR # 556-2959, HP: 157HP @ 2200RPM, Engine Torque Rating: 524-1400, Engine Family #...

Condition	New
CPL/ARR	556-2959
Horse Power	157 HP
Part Number	AR # 556-2959
Stock Number	006849
MLS Number	14361539
Category	Engines
Last Updated	8/17/2026
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

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

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New Caterpillar C13 Acert Thermostat Seal

Newly Listed

$16.79 USD

New C13 Acert Thermostat Seal, Type: Thermostat Gasket

Condition	New
Part Number	2275075
Stock Number	510-25656
MLS Number	14611891
Category	Gaskets
Last Updated	9/18/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2007 Caterpillar 3508 Engine

Recently Updated

$125,000 USD

NEW SURPLUS NEVER USED 3508 CAT POPULAR PETROLEUM DIESEL ENGINE WITH 100 DAY PARTS WARRANTY

Condition	New
Stock Number	70912
MLS Number	14271695
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

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 C7.1 Engine

Recently Updated

$26,995 USD

New surplus CAT C7.1 Industrial Engines; 2022 Model – New w/ CAT Warranty; 202.5HP @ 2200RPM; Tier 4 Final Emissions; EU Stage V; SAE 3 Flywheel Housing; Charging Alternator; Electric...

Condition	New
Stock Number	69183
MLS Number	13353013
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

2014 Caterpillar 3054 Engine

Recently Updated

$19,995 USD

NEW SURPLUS, NEVER USED COMPLETE 3054C, 24v, SAE#3 Housing, Turbocharged, Mechanical Direct Injection. MECHANICAL, SOLD EXCHANGE PLUS $2,000.00 REFUNDABLE CORE DEPOSIT. INCLUDES ONE YEAR...

Condition	New
Stock Number	69241
MLS Number	13353003
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

Caterpillar 3508 Engine

Recently Updated

Contact for price

WE CAN SUPPLY YOUR NEEDS, NEW, REBUILT, AND USED 3508 ENGINES. SEND US THE SN # AND AR# OR EQUIPMENT INFO MANY POSSIBLITYS IN STOCK. SEND FOR COMPLETE LIST Pricing May Vary Depending on the...

Condition	New
Stock Number	69505
MLS Number	13352946
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

1994 Caterpillar 3114T Engine

Recently Updated

$15,995 USD

NEW SUPPLUS NEVER USED 3114T COMPLETE DIESEL ENGINE STARTING AT $15,995.00 EXCHANGE WITH SIX MONTH Limited Parts Labor WARRANTY Plus $1,000 refundable core deposit,, ADD ABS#12139 WARRANTY

Condition	New
Stock Number	70354
MLS Number	13393846
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

2024 Caterpillar C15 Engine

Recently Updated

$74,995 USD

COMPLETE SURPLUS NEW ENGINE, NEVER USED Caterpillar C15 WITH LIMITED PARTS WARRANTY.

Condition	New
Stock Number	70361
MLS Number	13424216
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

2024 Caterpillar C15 Engine

Recently Updated

$74,995 USD

COMPLETE SURPLUS NEW ENGINE, NEVER USED Caterpillar C15 WITH LIMITED PARTS WARRANTY SN#MCW19536, AR#359-2103, 540 HP.

Condition	New
Stock Number	70362
MLS Number	13424215
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

2008 Caterpillar C9 Engine

Recently Updated

$31,995 USD

NEW SURPLUS NEVER USED COMPLETE CAT C9 Industrial Engine; 2008 Model, 350HP @ 2200RPM; SAE 1, Tier 3 Emissions; offered EXCHANGE WITH ONE YEAR PARTS DEALER WARRANTY PLUS $ 2500.00 REFUNDABLE...

Condition	New
Stock Number	70424
MLS Number	13615354
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

Caterpillar 3306 DI Engine

Recently Updated

$22,995 USD

SURPLUS NEW SPECIAL PURCHES OF CATERPILLAR 3306DIT- ENGINE DESIGN / INDUSTRIAL, CONSTRUCTION APPLICATION. / 220HP / AR#9Y1719 / REPLACEMENT ENGINE. FITS MANY INCLUDING 966D, E, F, 12-14-140H...

Quantity	6
Condition	New
Stock Number	28862
MLS Number	13353534
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

Caterpillar C1.5 Engine

Recently Updated

$6,995 USD

Surplus New Never Used, Caterpillar C1.5, 3 Cylinder Mechanical Turbo Diesel Engine Incluces Starter, SAE 4 Flywheel housing and Step Down Flywheel Emmissions Family: FH3XL1.49FTV, 24 h.p....

Condition	New
Stock Number	29157
MLS Number	13353388
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

Caterpillar C15 ACERT Cylinder Head

Recently Updated

$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

Recently Updated

$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

Recently Updated

$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

Recently Updated

$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.

2008 Caterpillar C4.4 Engine

Recently Updated

$9,995 USD

Construction Industrial, NEW REPLACEMENT ENGINE COMPARED TO CAT DESIGN, LONG BLOCK INCLUDING NEW OIL PUMP, EXCHANGE WITH SIX MONTH LIMITED PARTS WARRANTY PLUS $1,000.00 REFUNDABLE CORE...

Condition	New
Stock Number	69275
MLS Number	13352988
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

Caterpillar 3304 DI Engine

Recently Updated

$12,995 USD

Construction Industrial, NEW REPLACEMENT ENGINE COMPARED TO CAT DESIGN, LONG BLOCK INCLUDING NEW OIL PUMP, EXCHANGE WITH SIX MONTH LIMITED PARTS WARRANTY PLUS $1,000.00 REFUNDABLE CORE...

Condition	New
Stock Number	69276
MLS Number	13352987
Category	Engines
Last Updated	9/17/2026
Location	Chicago, IL, US
Sold By	Diesel Sales