Featured Item View 9 Photos View 0 Videos 2014 Cummins ISX15 550HP Engine – TESTED – GOOD RUNNER – USED $20,000 USD 2014 Cummins ISX15 Diesel Engine – 550HP – Run Tested, This listing represents a 2014 Cummins ISX15 engine rated at approximately 550HP. This is a used engine that has been run tested and... Warranty ConditionUsedHorse Power550 HPStock Number2172 MLS Number14274685CategoryEngines Last Updated4/20/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2006 Mack AC-427 Engine Recently Updated $13,500 USD 2006 MACK AC-460 ENGINE 460 HP USED AC-460 MACK EGR VALVE ENGINE, ENGINE BRAKE, 460 HP, ENGINE COMPLETE AND TESTED RUNNING GOOD, ConditionUsedStock Number32658 MLS Number11092596CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1997 Mack E7 Engine Recently Updated $13,500 USD GOOD RUNNER ENGINE YEAR:1997, 350HP, 4 VALVE, 60 DAYS WARRANTY, BLOCK, CRANKSHAFT AND CYLINDER HEAD. PARTS ONLY. Warranty Quantity9ConditionUsedHorse Power350 HPStock Number7894 MLS Number11092641CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2000 Mack E7 Engine Recently Updated $13,500 USD Warranty ConditionUsedUsage350 MilesHorse Power350 HPWeight2700Stock Number569874 MLS Number11162507CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1991 Mack E7 Engine Manual Recently Updated $13,500 USD Warranty ConditionUsedHorse Power350 HPStock Number963214 MLS Number11186754CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1999 Mack E7 Engine Electronic / PASSENGER SIDE MOUNTED ECM Recently Updated $13,500 USD CORE EXCHANGE NEEDED,(GOOD USED) 1999 Mack EM7-355-380, HOLE SPEED650 Diesel Engine For Sale, PASSENGER SIDE MOUNTED ECM, Quantity2ConditionUsedUsage225 MilesHorse Power355 HPPart NumberXMKX11.9E54Stock Number96547 MLS Number11204995CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Mack E7 Engine / DRIVER SIDE MOUNTED ECM Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty Quantity2ConditionUsedHorse Power250 HPWeight2800Stock Number13547 MLS Number11272636CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2007 Mack MP8 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedUsage373 MilesHorse Power425 HPWeight2800Stock Number9487 MLS Number11286238CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1990 Mack E6 Mechanical Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power350 HPPart NumberAMR7780Stock Number4031 MLS Number11379264CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2007 Mack Vision CXN612 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE HP:380-410 Warranty Quantity2ConditionUsedHorse Power380 HPPart Number1589243Weight2800Stock Number9713 MLS Number11379299CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2006 Mack Vision CXN612 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power380 HPPart Number1502405Weight2800Stock Number9127 MLS Number11379307CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2001 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power330 HPStock Number1143 MLS Number11407231CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power355 HPStock Number1140 MLS Number11407236CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1998 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power350 HPStock Number1176 MLS Number11407249CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1997 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power355 HPStock Number1147 MLS Number11407251CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2005 Mack AC Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power380 HPStock Number1131 MLS Number11407259CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2001 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power350 HPStock Number1151 MLS Number11407266CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2001 Mack E7 (LH) Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power460 HPStock Number1153 MLS Number11407272CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2003 Mack E7 LH Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power300 HPStock Number1154 MLS Number11409418CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1992 Mack E7 SEMI-Mechanical Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power460 HPStock Number1157 MLS Number11409872CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2000 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionUsedHorse Power460 HPStock Number1160 MLS Number11410088CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2005 Mack ACAC-380 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionUsedHorse Power380 HPStock Number1161 MLS Number11410089CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2005 Mack AI Engine without engine brake Recently Updated $13,500 USD This engine comes without engine brake CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionUsedHorse Power460 HPStock Number1163 MLS Number11410097CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. ConditionUsedStock Number1164 MLS Number11410098CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Mack E7 Engine Recently Updated $13,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionUsedHorse Power460 HPStock Number1165 MLS Number11410121CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info