Caterpillar C15 Engines For Sale

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2001 USED CAT C15 6NZ 550HP Engine – Strong Runner – Warranty

$27,500 USD

Caterpillar C15 6NZ Diesel Engine – 550HP – Used – Strong Runner – Warranty, Reliable Caterpillar C15 6NZ diesel engine removed from a running unit and verified as a strong running takeout...

Warranty

Condition	Used
Horse Power	550 HP
Stock Number	2177
MLS Number	14303657
Category	Engines
Last Updated	4/20/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

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REMANUFACTURED - 2001 Caterpillar C15 6NZ REBUILT Engine

$35,000 USD

Rebuilt 2001 Caterpillar C15 6NZ Diesel Engine For Sale with Jake Brakes, 550HP, SINGLE TURBO, 6 Cylinders, 15.2L, 70-PIN, Engine Serial# 6NZ***, Stock# 2424

Warranty

Condition	Remanufactured
Horse Power	550 HP
Stock Number	2029
MLS Number	13506484
Category	Engines
Last Updated	4/20/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

(844) 332-___ SHOW
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Caterpillar C15 Engine - NEW REMANUFACTURED LONG BLOCK

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We offer a variety of both, over the road truck and industrial replacement engines for the Caterpillar C15 ACERT and NON-ACERT Models. Our remanufactured CAT C15 engines come as a 3/4 long...

Warranty

Quantity	9
Condition	Remanufactured
Horse Power	625 HP
Fits To Equipment	Tractor Trailers, Day Cabs, Sleeper Cabs, Articulated Dump Trucks, Execavators, Drill Rigs, Logging Equipment, Pump Equipment
Fits To Make(s)	Peterbilt, Freightliner, Kenworth, International, Western Star
Fits To Model(s)	Peterbilt - 279, 357, 359, 362, 378, 379, 386, 387, 388, 389 Freightliner - FLD120, Classic XL, Century, Cascadia, Columbia, Argosy Kenworth - T404, T600, T658, T680, T690, T800, T880, T2000, W900, K104, K108 International - 5900i, 9200i, 9400i, 9900i Western Star - 4800, 4900, 4964, 6964
Will Fit Year(s)	1999-2007
Stock Number	BBENG53
MLS Number	13095269
Category	Engines
Last Updated	4/1/2026
Location	Parker, CO, US
Sold By	Big Bear Engine Company

(844) 562-___ SHOW
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CAT C15 Engine ESN - 6NZ

$17,800 USD

New Reman Long Block is 3/4 Engine and includes: - Block - Cylinder Head - Camshaft - Followers/Lifters - Pistons - Liners - Rings - Connecting Rods - Intermediate Cover - Timed Front Gear...

Warranty

Condition	Remanufactured
MLS Number	9592936
Category	Engines
Last Updated	4/24/2026
Location	Parker, CO, US
Sold By	Capital Reman

Caterpillar C15 Engine for a 2003 Kenworth T800

Newly Listed

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CAT C15, #6NZ82552, 515HP. WILL TEST RUN AND CHECK BEARINGS. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK., Serial#: 6NZ82552, Horse Power: 515

Condition	Used
Horse Power	515 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2003
Stock Number	50726-5
MLS Number	14370943
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2004 Kenworth T800

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CAT C15 435-500HP, ESN#MBN26492. CORE ENGINE ASSY, WILL INSPECT FURTHER, POSSIBLE USABLE BLOCK., Serial#: MBN26492, Horse Power: 435

Condition	Used
Horse Power	435 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2004
Stock Number	30926-5
MLS Number	14232955
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2002 Peterbilt 379

Recently Updated

$25,995 USD

CAT C15 475HP #6NZ48743, PENDING INSPECTION,TEST RUNS GOOD. NO BLOWBY,NEW ROD AND MAIN BEARINGS CAM AND TURBO LOOK OK.180 DAY WARRANTY ON HEAD BLOCK AND CRANK., Serial#: 6NZ48743, Horse...

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2002
Stock Number	20826-6
MLS Number	14146881
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2006 Peterbilt 379

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C15 ACERT BURN CORE. ESN#MXS19167 475HP. CONVERTED TO SINGLE TURBO (WATER IN OIL), Serial#: MXS19167, Horse Power: 475

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2006
Stock Number	12226-3
MLS Number	14116100
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2006 Peterbilt 378

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C15 MXS 475HP ESN# MXS23425 BURNED CORE. POSSIBLE GOOD BLOCK AND CRANK, Serial#: MXS23425, Horse Power: 475

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Stock Number	11026-3
MLS Number	14091625
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2007 Kenworth T800

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$19,995 USD

C15 CAT PENDING INSPECTION, Serial#: NXS24115, Horse Power: 475

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2007
Stock Number	111625-4
MLS Number	13995333
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2008 Peterbilt 389

Recently Updated

$19,995 USD

C15 NXS CONVERTED TO SGL TURBO,HAD WIRE FIRE,WE WILL REPAIR,WE WILL TEST RUN,CHECK BEARINGS,6MOS WARRANTY,SEE NOTES, Serial#: NXS, Horse Power: 550

Condition	Used
Horse Power	550 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	389
Will Fit Year(s)	2008
Stock Number	82925-26
MLS Number	13799321
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2007 Freightliner Columbia 120

Recently Updated

$19,995 USD

GOOD RUNNING TAKEOUT/ RUNS GOOD, VERY MINOR BLOWBY. APPX 325K ON PLATINUM OVERHAUL. WILL CHECK ROD AND MAIN BEARINGS. WILL INSPECT CAMSHAFT AND ROCKERS. 180 DAY ON HEAD BLOCK AND CRANK. ODO...

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Freightliner
Fits To Model(s)	Columbia 120
Will Fit Year(s)	2007
Part Number	ACERT/ACRT
Stock Number	81525-3
MLS Number	13774798
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2007 Kenworth T2000

Recently Updated

$14,995 USD

C15 475HP MXS RUNS OK SOME BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: MXS98101, Horse Power: 475

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Will Fit Year(s)	2007
Stock Number	52325-1
MLS Number	13651474
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2007 Kenworth W900L

Recently Updated

$8,995 USD

C15 NXS, CONVERTED TO SINGLE TURBO, RUNS OK, HAS MODERATE BLOWBY, WILL NEED OVERHAULED SOON BY THE CONDITION OF THE LINERS. NEEDS RODS AND MAINS. GOOD BUILDER ENGINE., Serial#: NXS22099,...

Condition	Used
Horse Power	625 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Will Fit Year(s)	2007
Stock Number	51225-1
MLS Number	13600826
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2008 Peterbilt 388

Recently Updated

$19,995 USD

C15 475-550HP NXS CONVERTED TO SINGLE TURBO, RUNS GOOD, WILL CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: NXS, Horse Power: 475550

Condition	Used
Horse Power	475550 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Will Fit Year(s)	2008
Stock Number	12325-1
MLS Number	13400515
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2008 Kenworth T600 Aero

Recently Updated

$5,500 USD

/ BURN ENGINE ASSEMBLY/ CONVERTED/DELETED SINGLE TURBO. TURNS OVER. STRIPPED TO LONG BLOCK ASSY. NEEDS ROD BEARINGS, MAIN BEARINGS LOOK GOOD. CAM LOOKS GOOD., Serial#: SDP13294, Horse Power...

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T600 Aero
Will Fit Year(s)	2008
Stock Number	101323-1
MLS Number	12402966
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2004 Peterbilt 387

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BAD BLOCK/ OK FOR PARTS. CRANK INVENTORIED #001148 FRONT COVER, Serial#: BXS03900, Horse Power: 475-550, Casting#: BXS03900

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2004
Part Number	BXS
Stock Number	70520-9
MLS Number	10286005
Category	Engines
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C15 Engine for a 2006 Peterbilt 379

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GOOD INSPECTED TAKEOUT. WILL BE TEST RUN. RODS, MAINS AND BEARINGS WILL BE CHECKED. 90 DAY WARRANTY ON HEAD, BLOCK AND CRANK, Serial#: MXS13751, Core Charge: N/A, Horse Power: 475, ARR/CPL:...

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2006
Stock Number	83017-3
MLS Number	9203941
Category	Engines
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Caterpillar C15 Engine for a 2005 Western Star 4900FA

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$11,050 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada and USA. - Stock: 6544M - Truck: 2005 - Western Star 4900FA - Moteur/ Engine : 2005 - Caterpillar C15 : 475...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900FA
Will Fit Year(s)	2005
Stock Number	6544M
MLS Number	13686080
Category	Engines
Last Updated	5/14/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

(833) 371-___ SHOW
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Caterpillar C15 Engine for a 2008 Peterbilt 388

Recently Updated

$8,500 USD

USED CATERPILLAR C15. ENG SERIAL SDP04743. 435HP, 653,000 MILES. ENGINE SOUNDS VERY GOOD, NO BLOW BY VISIBLE DURING OPERATION., Serial#: SDP04743, Horse Power: 435, ARR/CPL: 309-8298,...

Condition	Used
CPL/ARR	309-8298
Horse Power	435 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Will Fit Year(s)	2008
Stock Number	SV-78-4
MLS Number	9559481
Category	Engines
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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Caterpillar C15 Engine for a 2007 Peterbilt 389

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GOOD ENGINE LAST RAN 2/2/26, Serial#: C2A02851, Horse Power: 475

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	389
Will Fit Year(s)	2007
Stock Number	748548-3
MLS Number	14121802
Category	Engines
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Caterpillar C15 Engine for a 2007 Peterbilt 387

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RUNNING CORE LAST RAN 12/9/20 NO ECM, Serial#: N/A., Horse Power: 475, Casting#: N/A.

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2007
Stock Number	665242-1
MLS Number	10575651
Category	Engines
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Caterpillar C15 Engine for a 2006 Peterbilt 387

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Core Motor, Serial#: MXS73593, Horse Power: 475, Casting#: MXS73593

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2006
Stock Number	667987-1
MLS Number	9389225
Category	Engines
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Caterpillar C15 Engine for a 2003 Freightliner FLD132

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CAT C-15 ENGINE GOOD RUNNER- Call for more inquiries~ Cannot upload You Tube Video See in Part # link, Serial#: 6NZ69811, Horse Power: 1

Condition	Used
Horse Power	1 HP
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD132
Will Fit Year(s)	2003
Part Number	https://youtube.com/shorts/_vScgD8Yx3s
Stock Number	295462937
MLS Number	12925892
Category	Engines
Last Updated	5/14/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts