Featured Item 4 1 2015 Cummins ISX15 Engine -USED- $19,500 USD GOOD USED RUNNING ENGINE Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2015 MLS Number13381721CategoryEngines Last Updated9/5/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2006 Cummins ISX Engine $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNINNG ENGINE Warranty ConditionUsedCPL/ARR8518Horse Power565 HPStock Number1298 MLS Number11646403CategoryEngines Last Updated9/11/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2004 Cummins ISX CM870 Engine CPL8520 $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE THIS ENGINE COMES FROM AN INTERNATIONAL TRUCK Warranty ConditionUsedCPL/ARR8520Horse Power435 HPPart Number4088507Stock Number1238 MLS Number11549129CategoryEngines Last Updated9/11/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2005 Cummins ISX 400ST Engine $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR8520Horse Power400 HPPart NumberD103004BB17Stock Number1267 MLS Number11584724CategoryEngines Last Updated9/11/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 USED- 2012 Cummins ISX12 Engine "FULLY TESTED" "W/WARRANTY" $25,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2012 Cummins ISX12 Diesel Engine (EPA10), Serial # 75010774, Service Model Name: ISX12/ISX11.9 CM2250, CPL 3438, 425HP, OPTIMUM TRUCK PARTS Warranty ConditionUsedCPL/ARR3438Horse Power425 HPStock Number2102 MLS Number13650155CategoryEngines Last Updated6/18/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2015 Cummins ISX15 Engine $21,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2034 MLS Number13553072CategoryEngines Last Updated5/1/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2015 Cummins ISX15 Engine $19,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2008 MLS Number13351967CategoryEngines Last Updated1/21/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2000 Cummins ISX Engine for 1999-2003 $16,500 USD Core exchange needed. GOOD RUNNER ENGINE Warranty ConditionUsedUsage400 MilesCPL/ARR2630Horse Power600 HPWill Fit Year(s)1999-2003Weight3500Stock Number2050 MLS Number11185397CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Cummins ISX Engine $15,000 USD Description:(GOOD USED/ RUN TESTED/ FULLY INSPECTED) for sale!!!!!, For more information contact us 305-833-9956 Warranty ConditionUsedHorse Power500 HPPart NumberEPA2008Stock Number1884 MLS Number13131539CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2015 Cummins ISX15 Engine $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 Updated8/21/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2011 Cummins ISX15 Engine $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 Updated8/21/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2012 Cummins ISX12 Engine $27,000 USD (USED) 2012 CUMMINS ISX12 SERIAL#75010774 @ 425HP @ CPL:3438 ** used Engine Diesel @ Engine is Test Run Inspected Internally. With Warranty! Many Engines in Stock! Call 305-833-9956 Warranty ConditionUsedCPL/ARR3438Horse Power425 HPStock Number1860 MLS Number12910793CategoryEngines Last Updated6/5/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2015 Cummins ISX15 Engine $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 Updated7/23/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2015 Cummins ISX15 Engine $18,000 USD Good Running Engine, 550HP Warranty ConditionUsedCPL/ARR4588Horse Power550 HPStock Number1848 MLS Number12734634CategoryEngines Last Updated3/27/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2012 Cummins ISX15 Engine $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 Updated3/19/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2008 Cummins ISX Engine $18,500 USD GOOD RUNNING ENGINE, CORE EXCHANGE IS NEEDED Warranty ConditionUsedCPL/ARR2734Horse Power550 HPStock Number1802 MLS Number12640290CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2011 Cummins ISX15 Engine $17,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3491Horse Power500 HPStock Number1660 MLS Number12475956CategoryEngines Last Updated11/30/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2012 Cummins ISX15 Engine $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 ConditionUsedUsage400 MilesCPL/ARR3719Horse Power450 HPWeight3500Stock Number26587 MLS Number11086686CategoryEngines Last Updated9/7/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2013 Cummins ISX15 Engine CPL3719 $22,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3719Horse Power450 HPStock Number1257 MLS Number11564554CategoryEngines Last Updated9/7/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2011 - 2016 Cummins ISX15 Engine $28,000 USD GOOD RUNNING ENGINE. CORE IS NEEDED Warranty Quantity5ConditionRemanufacturedHorse Power450 HPStock Number1520 MLS Number12173436CategoryEngines Last Updated7/11/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2006 Cummins ISX 8518 Engine $14,000 USD 2006 CUMMINS ISX 2009 Cummins ISx used diesel engine for sale . 565 HP, CPL 8518 Warranty ConditionUsedCPL/ARR8518Horse Power565 HPL x W50 x 17Weight3500Stock Number36589 MLS Number11086690CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2014 Cummins ISX15 Engine $27,000 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 Updated3/28/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2009 Cummins ISX15 Engine $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. 1 NEW CRANKSHAFT Warranty ConditionUsedCPL/ARR2732Horse Power425 HPStock Number1318 MLS Number11674504CategoryEngines Last Updated10/20/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2010 Cummins ISX Engine $15,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE, HP450-500 Warranty ConditionUsedCPL/ARR2733Horse Power500 HPStock Number1279 MLS Number11607541CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2008 Cummins ISX Engine CPL2732 $16,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR2732Horse Power450 HPPart Number8CEXH092XAKStock Number1276 MLS Number11605478CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info