Cummins ISX15 Engines For Sale

2012 Cummins ISX15 550HP Engine – CPL 3606 – TESTED - WARRANTY

$21,000 USD

For Sale: 2012 Cummins ISX15 Diesel Engine – 550 HP – CPL 3606, At Optimum Truck Parts, we specialize in used, rebuilt, and new diesel engines, transmissions, and heavy-duty truck parts...

Warranty

Condition	Used
CPL/ARR	3606
Horse Power	550 HP
Stock Number	2160
MLS Number	14247541
Category	Engines
Last Updated	7/2/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

(844) 402-___ SHOW
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Cummins ISX15 Engine for a 2016 International PROSTAR

$12,500 USD

(Used) 2015 Cummins ISX15 400ST, ENGINE ASSEMBLY- Family Number: FCEXH0912XAT, Displacement: 14.9L, Horsepower: 400, Ar.No./CPL: 4583, Serial Number: 79820452, Part Number: 2B0F68DA, E.C.S:...

Condition	Used
CPL/ARR	4583
Horse Power	400 HP
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Will Fit Year(s)	2016
Part Number	2B0F68DA
Stock Number	P-507646
MLS Number	14463487
Category	Engines
Last Updated	8/5/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 541-___ SHOW
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Cummins ISX15 Engine for a 2017 Peterbilt 389

$16,995 USD

ISX15 550HP CPL#4588 CM2350, TEST RUNS GOOD. ROD AND MAIN BEARINGS LOOK GOOD, CAM AND TURBO LOOK GOOD, 180 DAY WARRANTY ON HARD PARTS., Serial#: 79931580, Horse Power: 550

Condition	Used
Horse Power	550 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	389
Will Fit Year(s)	2017
Stock Number	71425-1
MLS Number	13727227
Category	Engines
Last Updated	7/2/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(844) 641-___ SHOW
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2016 Cummins ISX15 Engine for a Peterbilt 389

$20,000 USD

THIS ENGINE IS CLEAN LOW MILES AND READY TO GO. COMPLETE WITH ECM NO CORE CHARGE

Condition	Used
Usage	252,069 Miles
Horse Power	500 HP
Fits To Make(s)	PETERBILT
Fits To Model(s)	389
Stock Number	12703
MLS Number	14459504
Category	Engines
Last Updated	7/7/2026
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

(877) 254-___ SHOW
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2015 Cummins ISX15 Engine for a Kenworth T680

$12,500 USD

GOOD RUNNING TAKE OUT 120 DAY WARRANTY

Condition	Used
Horse Power	450 HP
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	28161
MLS Number	13759155
Category	Engines
Last Updated	7/1/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(855) 300-___ SHOW
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Rebuilt Cummins ISX15 Long Block

$25,000 USD

Rebuilt ISX15 Long Block, AR/CPL #: 3491

Condition	Remanufactured
Fits To Make(s)	N/A
Will Fit Year(s)	2010-2012
Part Number	FTPISX15LB3491
Stock Number	500-19597
MLS Number	14456584
Category	Engines
Last Updated	6/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(855) 300-___ SHOW
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Rebuilt Cummins ISX15

$25,000 USD

Rebuilt ISX15, AR/CPL #: 4583

Condition	Remanufactured
Fits To Make(s)	N/A
Will Fit Year(s)	2013-2016
Part Number	FTPISX15LB4583
Stock Number	500-19664
MLS Number	14456574
Category	Engines
Last Updated	6/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(855) 300-___ SHOW
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Rebuilt Cummins ISX15 Long Block

$25,000 USD

Rebuilt ISX15 Long Block, AR/CPL #: 3939

Condition	Remanufactured
Fits To Make(s)	N/A
Will Fit Year(s)	2013-2016
Part Number	FTPISX15LB3939
Stock Number	500-19667
MLS Number	14456568
Category	Engines
Last Updated	6/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2012 Cummins ISX15 Engine for a Freightliner Cascadia 125

Contact for price

ISX15 CORE Locked-up, EPA 10, 425 HP, S/N 79499269, CPL-3719, CM2250 767,469.3 Odometer Miles

Condition	Used
CPL/ARR	3719
Horse Power	425 HP
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	1950-1
MLS Number	13897569
Category	Engines
Last Updated	6/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2018 Cummins ISX15 Engine for a Kenworth T680

Contact for price

X15 CM2350 X116B, 525 HP, S/N 80006239, CPL-4343, CORE Engine In Pieces.

Condition	Used
CPL/ARR	4343
Horse Power	525 HP
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	1384-1
MLS Number	13892309
Category	Engines
Last Updated	6/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(844) 484-___ SHOW
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Cummins ISX15 Engine

Contact for price

450HP

Condition	Used
Stock Number	2063
MLS Number	14450489
Category	Engines
Last Updated	6/25/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

(833) 835-___ SHOW
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Cummins ISX15 Engine for a 2013 Kenworth T660

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Cummins ISX 15 Engine core Assembly, 485 Horsepower, CPL 3491, Family: CCEXH0912XAQ, Engine #79610646. All Accessories go with the Engine. Call for details, We ship everywhere., Serial#:...

Condition	Used
CPL/ARR	3491
Horse Power	485 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2013
Stock Number	KW-0651-1
MLS Number	10815105
Category	Engines
Last Updated	6/25/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

2013 Cummins ISX15 Engine for a Peterbilt 386

$6,600 USD

Cummins ISX15 EPA 10, 425 HP, CPL- 3719, CM2250, S/N- 79563501

Condition	Used
CPL/ARR	3719
Horse Power	425 HP
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Stock Number	4290-1
MLS Number	14016876
Category	Engines
Last Updated	6/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Cummins ISX15 Engine - 450 HP, ARR/CPL 4583

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ISX15 CM2350 X101, 450HP, S/N 79866952, CPL4583, Core Engine, Locked Up. Missing Flywheel Housing, Wiring Harness, Fan Clutch. Turbo In Pieces. S/N On Data Tag Does Not Match Block.

Condition	Used
CPL/ARR	4583
Horse Power	450 HP
Stock Number	4542137
MLS Number	13903836
Category	Engines
Last Updated	6/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2011 Cummins ISX15 Engine for a Peterbilt 387

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ISX15 425ST CM2250, 452HP, S/N 79445569, CPL 3490, Core Engine, Locked Up. Cam Is Damaged. Missing ECM, Turbo, Injectors, EGR Valve, Crankcase Breather, Fan Hub Air Compressor, Other Misc....

Condition	Used
CPL/ARR	3490
Horse Power	452 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	4539878
MLS Number	13894278
Category	Engines
Last Updated	6/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(833) 541-___ SHOW
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Cummins ISX15 Engine for a 2014 Kenworth T660

$12,995 USD

ISX15 450HP ESN#79633625, CM2350, CPL#3937. RUNS GOOD NO BLOWBY. WILL INSPECT BEARINGS IN OUR ENGINE SHOP, 180 DAY WARRANTY ON HEAD, BLOCK, AND CRANK.,WAS OUR COMPANY TRUCK,REGULAR SERVICE...

Condition	Used
CPL/ARR	3937
Horse Power	450 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2014
Stock Number	61326-6
MLS Number	14443928
Category	Engines
Last Updated	6/27/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

USED 2012 Cummins ISX15 Engine 450HP /CPL3719 Tested Runner – Warranty

$22,000 USD

CORE EXCHANGE NEEDED 2012 Cummins ISX 15 used diesel engine for sale .450 HP, CPL 3719, tested and inspected with 45 days warranty. BLOCK, CRANKSHAFT AND CYLINDER HEAD.

Warranty

Condition	Used
Usage	400 Miles
CPL/ARR	3719
Horse Power	450 HP
Weight	3500
Stock Number	26587
MLS Number	11086686
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

USED 2016 Cummins ISX15 Engine 550HP / CPL4585 (TESTED / WARRANTY / VIDEO)

$20,000 USD

GOOD RUNNER ENGINE

Warranty

Condition	Used
Usage	220 Miles
CPL/ARR	4585
Horse Power	550 HP
Part Number	SO42418
Weight	3500
Stock Number	13469
MLS Number	11149284
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

USED 2014 Cummins ISX15 Engine 550HP / CPL3939 (TESTED / WARRANTY / VIDEO)

$20,000 USD

CORE EXCHANGE NEEDED. GOOD RUNNING ENGINE, EGR,PTOX,SCRC, WATCH THE VIDEO

Warranty

Condition	Used
Usage	285 Miles
CPL/ARR	3939
Horse Power	550 HP
L x W	55 x 38
Part Number	ECEXH0912XAU
Weight	2964
Stock Number	98745
MLS Number	11179993
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

USED 2013 Cummins ISX15 Engine CPL3719 / 450HP (TESTED / WARRANTY / VIDEO)

$22,000 USD

CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE

Warranty

Condition	Used
CPL/ARR	3719
Horse Power	450 HP
Stock Number	1257
MLS Number	11564554
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

REBUILT 2014 Cummins ISX15 Engine 450HP CPL3937 (TESTED / WARRANTY / VIDEO)

$29,850 USD

CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. NEW CYLINDER HEAD, INFRAME KIT, BLOCK IS CUT

Warranty

Condition	Remanufactured
CPL/ARR	3937
Horse Power	450 HP
Part Number	DCEXH0912XAT
Stock Number	1285
MLS Number	11619108
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

REBUILT 2015 Cummins ISX15 Engine 550HP CPL4585 (TESTED / WARRANTY / VIDEO)

$26,000 USD

CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE

Warranty

Condition	Remanufactured
CPL/ARR	4585
Horse Power	550 HP
Stock Number	1276
MLS Number	11604218
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

USED 2009 Cummins ISX15 Engine 425HP CPL2732 (TESTED / WARRANTY / VIDEO)

$14,000 USD

CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. 1 NEW CRANKSHAFT

Warranty

Condition	Used
CPL/ARR	2732
Horse Power	425 HP
Stock Number	1318
MLS Number	11674504
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

REBUILT 2011 - 2016 Cummins ISX15 Engine 450HP Tested Runner – Warranty

$28,000 USD

GOOD RUNNING ENGINE. CORE IS NEEDED

Warranty

Quantity	5
Condition	Remanufactured
Horse Power	450 HP
Stock Number	1520
MLS Number	12173436
Category	Engines
Last Updated	6/16/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC