View 5 Photos View 0 Videos USED- 2016 Cummins ISX15 (CPL4585) Diesel Engine, Fully/Tested / Warranty $19,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2140 MLS Number14153942CategoryEngines Last Updated2/19/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED - 2016 Cummins ISX15 Diesel Engine | Fully Tested | Warranty $19,000 USD good running engine Warranty ConditionUsedCPL/ARR4588Horse Power600 HPStock Number2139 MLS Number14149947CategoryEngines Last Updated2/18/2026 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 (CPL3939) $19,000 USD USED GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2131 MLS Number14117086CategoryEngines Last Updated1/29/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED- 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
View 3 Photos View 0 Videos 2009 Cummins ISX-435ST Engine $14,000 USD ISX, 435 HP, JAKES BREAK, ECM:AV10137, USED; ,Engine Assembly#: CPL 2732; Serial#: 79394839; Horsepower: 450;90 Day Warranties: Block, Crankshaft and Cylinder head, PARTS ONLY. CORE EXCHANGE... Warranty ConditionUsedUsage400 MilesCPL/ARR2732Assembly Number9CEXH0912XAKHorse Power450 HPPart Number4921640Weight3500Stock Number4438 MLS Number11097380CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos USED 1999 Cummins ISX CM570 Engine CPL2628 / 400HP Tested Runner – Warranty $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE /ISX CM570 Warranty ConditionUsedCPL/ARR2628Horse Power400 HPPart NumberD103001BX03Stock Number1227 MLS Number11534418CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos USED 2011 Cummins ISX15 450 Engine CPL3719 / 450HP Tested Runner – Warranty $22,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3719Horse Power450 HPPart NumberD103009BB08Stock Number1234 MLS Number11551945CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos USED 2018 Cummins ISX15 Engine 500HP CPL3938 Tested Runner – Warranty $18,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedUsage160 MilesCPL/ARR3938Horse Power500 HPStock Number1687 MLS Number12409532CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Cummins ISX Engine $14,000 USD Warranty ConditionUsedCPL/ARR8518Horse Power565 HPStock Number1907 MLS Number13252376CategoryEngines Last Updated9/11/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2008 Cummins ISX 550 Engine $18,000 USD Warranty ConditionUsedCPL/ARR2919Horse Power550 HPStock Number1901 MLS Number13196538CategoryEngines Last Updated7/14/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info