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 1 Photo View 0 Videos REBUILT 2006 Cummins ISX 400ST Engine CPL8520 (TESTED / WARRANTY / VIDEO) $29,850 USD Core exchange needed, Goog Running engine Rebuilt head, new pistons, new liners, new seals Warranty ConditionRemanufacturedCPL/ARR8520Horse Power400 HPPart NumberD103004BB17Stock Number1268 MLS Number11584771CategoryEngines 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 2007 Cummins ISX Engine CPL2733 / 500HP (TESTED / WARRANTY / VIDEO) $15,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE, NEW HEAD Warranty ConditionUsedCPL/ARR2733Horse Power500 HPPart NumberD103006BB10Stock Number1270 MLS Number11589932CategoryEngines 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 ISX Engine CPL3937 / 450HP (TESTED / WARRANTY / VIDEO) $18,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3937Horse Power450 HPPart NumberD103012BB18Stock Number1271 MLS Number11589934CategoryEngines 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 1 Photo View 0 Videos USED 2008 Cummins ISX Engine CPL2732 450HP (TESTED / WARRANTY / VIDEO) $16,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR2732Horse Power450 HPPart Number8CEXH092XAKStock Number1276 MLS Number11605478CategoryEngines 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 2010 Cummins ISX Engine 500HP CPL2733 (TESTED / WARRANTY / VIDEO) $15,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE, HP450-500 Warranty ConditionUsedCPL/ARR2733Horse Power500 HPStock Number1279 MLS Number11607541CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos USED 2006 Cummins ISX Engine 565HP CPL8518 (TESTED / WARRANTY / VIDEO) $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNINNG ENGINE Warranty ConditionUsedCPL/ARR8518Horse Power565 HPStock Number1298 MLS Number11646403CategoryEngines 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 4 Photos View 0 Videos USED 2008 Cummins ISX Engine 550HP CPL2734 Tested Runner – Warranty $18,500 USD GOOD RUNNING ENGINE, CORE EXCHANGE IS NEEDED Warranty ConditionUsedCPL/ARR2734Horse Power550 HPStock Number1802 MLS Number12640290CategoryEngines 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 2012 Cummins ISX12 Engine C9L3438 / 425HP Tested Runner – Warranty $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 Updated6/16/2026 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 USED Cummins ISX Engine 550HP Tested Runner – Warranty $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 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 16 Photos View 1 Video 2012 Cummins ISX12 Engine, CPL 3438 (2019 CUMMINS BUILD DATE) Contact for price (GOOD USED TEST RUN INSPECTED) 2012 Cummins ISX12 Diesel Engine For Sale, CPL 3438, (EPA10) BUILD DATE 2019, Family# CCEXH0729XAC, CM2250, Model# DR6599-RX, Fits 2010 2011 2012 2013,... Warranty ConditionUsedCPL/ARR3438Horse Power450 HPPart NumberCM2250Stock Number8257 MLS Number13327573CategoryEngines Last Updated6/5/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2012 Cummins ISX15 Engine $39,995 USD 2012/2013 Cummins ISX-15 Rebuild! CPL: 3719 - 3937 - 3938 - 3939, 100% Rebuilt to 550HP!, ECM can be set to 600 HP!, Engine has a brand new Borg Warner 800HP Detroit Turbo!, FULLY... Warranty ConditionUsedCPL/ARR3719Horse Power550 HP MLS Number14384578CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2013 Cummins ISX15 Engine $31,995 USD 2012 - 2013 - 2014 Cummins ISX-15 Rebuild! CPL: 3937, 450 HP, REBUILT, ECM is Included, We have many versions and Years of ISX-15 in Stock!, We also stock these Cummins ISX-15 Engines... Warranty ConditionUsedCPL/ARR3937Horse Power450 HP MLS Number14384567CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info