View 7 Photos View 0 Videos 2012 012 Cummins ISX15 550HP Engine – CPL 3606 – Fully Tested | Warranty Newly Listed $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 ConditionUsedCPL/ARR3606Horse Power550 HPStock Number2160 MLS Number14247541CategoryEngines Last Updated3/17/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED- 2006 Cummins ISX15 Engine, FULLY TESTED, W/WARRANTY $15,000 USD Used 2006 Cummins ISX15 Diesel Engine, fully tested and ready for installation. This engine has been inspected, run-tested, and verified to be in good operating condition prior to removal.... Warranty ConditionUsedHorse Power550 HPStock Number2154 MLS Number14222450CategoryEngines Last Updated3/4/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos USED - 2007 Cummins ISM Engine for 2007-2010 FULLY TESTED, W/WARRANTY $13,000 USD Optimum Truck Parts offers this 2007 Cummins ISM diesel engine professionally inspected and run-tested prior to shipment. This engine is a strong, reliable option for heavy-duty applications... Warranty ConditionUsedCPL/ARR2727Horse Power500 HPWill Fit Year(s)2007-2010Stock Number2151 MLS Number14167626CategoryEngines Last Updated2/27/2026 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 CPL4585, FULLY TESTED, W/WARRANTY $19,000 USD USED – 2016 Cummins ISX15 550HP Diesel Engine – CPL4585 – Fully Tested, Reliable Cummins ISX15 diesel engine removed from a running unit and fully tested prior to sale. This engine is in... Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2148 MLS Number14162555CategoryEngines Last Updated2/26/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
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 - 2002 Cummins N14 CELECT / CELECT PLUS Engine $17,000 USD NEW RINGS, NEW BEARING AND INSPECT CYLINDER HEAD. GOOD RUNNING ENGINE, Warranty ConditionUsedCPL/ARR2592Horse Power525 HPStock Number2134 MLS Number14117101CategoryEngines 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 - 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 2009 Cummins ISM Engine $12,500 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR2727Horse Power500 HPStock Number2127 MLS Number13870840CategoryEngines Last Updated10/7/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos NEW 2001 Cummins 6C 8.3 Engine "FULLY TESTED" "W/WARRANTY" $20,000 USD Cummins 6CTA8.3-D(M) Engine – CPL 2833, The Cummins 6CTA8.3-D(M) is a robust, 8.3-liter, 6-cylinder diesel engine known for its durability, fuel efficiency, and reliable performance in... Warranty Quantity4ConditionUsedCPL/ARR2833Horse Power260 HPPart Number3934780Stock Number2103 MLS Number13651589CategoryEngines Last Updated9/24/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos NEW 2017 Cummins ISL9 Engine "FULLY TESTED" " W/WARRANTY" $20,000 USD Cummins ISL8.9E5-280B – EURO 5 | CPL 4379, The Cummins ISL8.9E5-280B (Service Model: ISL9 CM2150 SN) is a high-performance, electronically controlled 8.9-liter diesel engine designed to... Warranty Quantity2ConditionUsedCPL/ARR4379Horse Power280 HPPart NumberCK90052Stock Number2104 MLS Number13651594CategoryEngines Last Updated9/22/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 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
View 1 Photo View 0 Videos 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
View 2 Photos View 0 Videos 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
View 4 Photos View 0 Videos USED - 2009 Cummins ISM 500 Engine "FULLY TESTED' $12,000 USD GOOD RUNNER ENGINE Warranty ConditionUsedCPL/ARR2727Horse Power500 HPPart Number9CEXH0661MACStock Number2115 MLS Number13699627CategoryEngines Last Updated8/18/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video USED - 1994 Cummins N14 MECHANICAL Engine " FULLY TESTED" $13,000 USD GOOD USED -+ MECHANICAL N14 ENGINE. Warranty ConditionUsedCPL/ARR1405Horse Power410 HPPart NumberD093604BX03Stock Number2113 MLS Number13683883CategoryEngines Last Updated7/9/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos USED - 2001 Cummins 6BTA Engine "FULLY TESTED" $6,000 USD USED 2001 CUMMINS 6BTA 5.9 ENGINE, 180HP AT 2500RPM, CPL:856, 6BTA5.9 ESN:60216196 COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY CUMMINS ENGINES IN STOCK Warranty ConditionUsedCPL/ARR856Horse Power180 HPPart NumberDR1119RXStock Number2112 MLS Number13683839CategoryEngines Last Updated7/3/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1992 Cummins L10E Engine $10,000 USD (USED) 1992 Cummins L10 Diesel Engine (STC), Serial # 34657558, 310HP, LOW MILES. ConditionUsedStock Number98547 MLS Number11198483CategoryEngines Last Updated6/23/2025 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 4 Photos View 0 Videos 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
View 4 Photos View 0 Videos 2018 Cummins X15 Engine $23,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4343Horse Power525 HPStock Number2033 MLS Number13553063CategoryEngines Last Updated5/1/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins 6CT 8.3 Engine for 1996-1998 $8,500 USD GOOD RUNNIN ENGINE Warranty ConditionUsedHorse Power275 HPFits To Make(s)1996-1998Stock Number2016 MLS Number13384639CategoryEngines Last Updated2/6/2025 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- $19,500 USD GOOD USED RUNNING ENGINE Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2015 MLS Number13381721CategoryEngines Last Updated11/9/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2000 Cummins N14 CELECT / CELECT PLUS Engine $18,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR2592Horse Power525 HPStock Number2009 MLS Number13351994CategoryEngines Last Updated1/21/2025 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 $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