View 4 Photos View 1 Video 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 ConditionUsedUsage285 MilesCPL/ARR3939Horse Power550 HPL x W55 x 38Part NumberECEXH0912XAUWeight2964Stock Number98745 MLS Number11179993CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2013 Cummins ISX15 Engine CPL3719 / 450HP (TESTED / WARRANTY / VIDEO) $22,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3719Horse Power450 HPStock Number1257 MLS Number11564554CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 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 ConditionRemanufacturedCPL/ARR3937Horse Power450 HPPart NumberDCEXH0912XATStock Number1285 MLS Number11619108CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos REBUILT 2015 Cummins ISX15 Engine 550HP CPL4585 (TESTED / WARRANTY / VIDEO) $26,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedCPL/ARR4585Horse Power550 HPStock Number1276 MLS Number11604218CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos USED 2009 Cummins ISX15 Engine 425HP CPL2732 (TESTED / WARRANTY / VIDEO) $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. 1 NEW CRANKSHAFT Warranty ConditionUsedCPL/ARR2732Horse Power425 HPStock Number1318 MLS Number11674504CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos REBUILT 2011 - 2016 Cummins ISX15 Engine 450HP Tested Runner – Warranty $28,000 USD GOOD RUNNING ENGINE. CORE IS NEEDED Warranty Quantity5ConditionRemanufacturedHorse Power450 HPStock Number1520 MLS Number12173436CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos USED 2011 Cummins ISX15 Engine 550HP CPL3491 Tested Runner – Warranty $17,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3491Horse Power500 HPStock Number1660 MLS Number12475956CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos REBUILT 2012 Cummins ISX15 Engine 425 HP CPL3719 Tested Runner – Warranty $27,000 USD (REBUILD) 2012 CUMMISN ISX 425ST CPL:3719 used Engine Diesel Engine For Sale, @ Engine Serial#79586142, Stock# 1845, Engine is Test Run Inspected Internally. With Warranty! Many Engines in... Warranty ConditionRemanufacturedCPL/ARR3719Horse Power425 HPPart NumberCCEXH0912XAPStock Number1845 MLS Number12712955CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2015 Cummins ISX15 Engine 550HP CPL4585 Tested Runner – Warranty $18,000 USD Good Running Engine, 550HP Warranty ConditionUsedCPL/ARR4588Horse Power550 HPStock Number1848 MLS Number12734634CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos REBUILT 2015 Cummins ISX15 Engine 550HP Tested Runner – Warranty $27,000 USD (RIBUIILT) 2015 CUMMINS ISX15 SERIAL#***** 550HP used Engine Diesel @ Engine is Test Run Inspected Internally. With Warranty! Many Engines in Stock! Call 305-833-9956 Warranty ConditionRemanufacturedHorse Power550 HPStock Number1858 MLS Number12869272CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2011 Cummins ISX15 Engine 500HP CPL3491 Tested Runner – Warranty $18,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2011 Cummins ISX15 Diesel Engine 500HP,Engine Serial # 79449229, Engine CPL 3491,Service Model Name;ISX15 CM2250 - Engine Configuration: D103009BB19,... Warranty ConditionUsedCPL/ARR3491Horse Power500 HPPart NumberEPA MODEL; ACEXH0912XAQStock Number1870 MLS Number13063411CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2015 Cummins ISX15 Engine 550HP CPL4584 Tested Runner – Warranty $18,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2015 Cummins ISX15 Diesel Engine 550HP,Engine Serial # 79886282, Engine CPL 4584,Service Model Name;ISX15 CM2350 X101- Engine Configuration:... Warranty ConditionUsedCPL/ARR4584Horse Power550 HPPart NumberFCEXH0912XAUStock Number1871 MLS Number13063468CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2015 Cummins ISX15 Engine 550HP Tested Runner – Warranty $19,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2008 MLS Number13351967CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video 2015 Cummins ISX15 Engine -USED-550HP Tested Runner – Warranty $19,500 USD GOOD USED RUNNING ENGINE Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2015 MLS Number13381721CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2015 Cummins ISX15 Engine 550HP Tested Runner – Warranty $21,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2034 MLS Number13553072CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 3937 Serial#: 79778847 Horsepower: 450 ConditionUsedAssembly Number3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25547001 MLS Number12458137CategoryEngines Last Updated6/15/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2017 Cummins ISX15 Engine for a Kenworth T680 $9,155 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 4586 Serial#: 79924668 Horsepower: 400 EMISSION SYSTEM NEEDS FURTHER INSPECTED ConditionUsedAssembly Number4586Fits To Make(s)KenworthFits To Model(s)T680Stock Number25528842 MLS Number12401047CategoryEngines Last Updated6/14/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins ISX15 Engine - 450 HP, ARR/CPL 3719 $12,000 USD #25612722. ISX15 SOHC. GOOD RUNNER. Turns. Missing: clutch. Damaged: valve cover. - HP: 450;CPL/ARR#: 3719;Build Date: 2012, Core Charge: 3000.00 ConditionUsedCPL/ARR3719Horse Power450 HPStock Number171672 MLS Number12966380CategoryEngines Last Updated6/13/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Cummins ISX15 Engine for a 2013 Freightliner CASCADIA PX125064S T $12,500 USD RUNNER, Serial#: 79568809, Core Charge: 0, Horse Power: 500 HP @ 1800 RPM, ARR/CPL: 3491 CM2250 EPA10 ConditionUsedCPL/ARR3491 CM2250 EPA10Fits To Make(s)FREIGHTLINERFits To Model(s)CASCADIA PX125064S TWill Fit Year(s)2013Stock Number1A1E56496 MLS Number13737895CategoryEngines Last Updated6/13/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2016 Cummins ISX15 Engine for a International Prostar $12,205 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL4583 Serial#: 79846953 Horsepower: 450 ConditionUsedAssembly NumberCPL4583Fits To Make(s)InternationalFits To Model(s)PROSTARStock Number25657909 MLS Number12915000CategoryEngines Last Updated6/12/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2016 Cummins ISX15 Engine for a Cummins ISX15 4583 $8,500.44 USD ConditionUsedCPL/ARRCPL:4583Fits To Make(s)CUMMINSFits To Model(s)ISX15 4583Stock Number2627893 MLS Number14419605CategoryEngines Last Updated6/11/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2012 Cummins ISX15 Engine for a Cummins ISX15 3719 $8,500.15 USD ConditionUsedUsage913,477 MilesCPL/ARR3719Horse Power450 HPFits To Make(s)CUMMINSFits To Model(s)ISX15 3719Stock Number2585930 MLS Number14021514CategoryEngines Last Updated6/9/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Cummins ISX15 4583 $15,000.45 USD Runs great replaced the rods, and mains, resealed the timing covers, resealed the fylwheel housing, front and rear main seal. Ran to check for leaks powerwashed and painted. Has new dry... ConditionUsedUsage676,764 MilesCPL/ARR4583Horse Power450 HPFits To Make(s)CUMMINSFits To Model(s)ISX15 4583Stock Number2347331 MLS Number13366775CategoryEngines Last Updated6/9/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Cummins ISX15 4583 $15,000.45 USD Runs great. Replaced rods and mains, flywheel housing gasket, front and rear main seal, resealed the timing cover and ran the overhead. Has new dry filters BEARING/SEALED 10/21/22, STARTED... ConditionUsedUsage787,526 MilesCPL/ARR4583Horse Power415 HPFits To Make(s)CUMMINSFits To Model(s)ISX15 4583Stock Number2144705 MLS Number11677675CategoryEngines Last Updated6/9/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 4583 Serial#: 79864908 Horsepower: 450 ConditionUsedAssembly Number4583Fits To Make(s)KenworthFits To Model(s)T680Stock Number25445101 MLS Number12118316CategoryEngines Last Updated6/7/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info