Featured Item 4 0 2004 Caterpillar C12 Engine Rebuilt $23,000 USD GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power430 HPStock Number2020 MLS Number13395829CategoryEngines Last Updated9/5/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2004 Caterpillar C12 2KS Engine $14,000 USD 60 DAYS WARRANTY IN BLOCK, CYLINDER HEAD, CRANK SHAFT, PARTS ONLY GOOG RUNNING ENGINE !!! ConditionUsedStock Number65984 MLS Number11092623CategoryEngines Last Updated7/2/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 1999 Caterpillar C12 2KS Engine $14,000 USD NEW CYLINDER HEAD, BLOCK CHANGED CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE, NEW CYLINDER HEAD. Warranty ConditionUsedHorse Power430 HPStock Number1150 MLS Number11407264CategoryEngines Last Updated7/2/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2002 Caterpillar C12 Engine $14,000 USD CORE EXCHANGE IS NEEDED. GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power430 HPStock Number2023 MLS Number12616371CategoryEngines Last Updated7/2/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2002 Caterpillar C12 Engine $14,000 USD GOOD RUNNING ENGINE, CORE EXCHANGE NEEDED Warranty ConditionUsedHorse Power430 HPPart Number5001522Stock Number1523 MLS Number12231279CategoryEngines Last Updated7/2/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2000 Caterpillar C12 Engine $14,000 USD (USED) Caterpillar C12Diesel Engine For Sale 2KS***, (70-PIN ECM CONNECTOR PLUGS)410HP@ 1800RPM, AR # 171-4073, MAX HP RATING 425HP, Engine Serial # 2KS***4, Stock # 1876 Warranty ConditionUsedHorse Power410 HPPart Number179-4073Stock Number1876 MLS Number13070601CategoryEngines Last Updated7/2/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
6 0 Caterpillar C12 Engine USED $14,000 USD GOOD RUNNING ENGINE/ CORE AR @165-0614 AR No.171-5150 Warranty ConditionUsedHorse Power317 HPStock Number2021 MLS Number13396844CategoryEngines Last Updated7/2/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2000 Caterpillar C12 2KS Engine $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionUsedHorse Power410 HPStock Number1172 MLS Number11410144CategoryEngines Last Updated7/2/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2002 Caterpillar C12 Engine Rebuilt $23,000 USD REBUILT / RUN TESTED/ FULLY INSPECTED) 2002 Caterpillar C12 Diesel Engine NO Jake Brakes (70PIN), Serial # 2KS***, 455HP, Visit OPTIMUM TRUCK PARTS for more information on this engine or any... Warranty ConditionRemanufacturedHorse Power455 HPStock Number1869 MLS Number13063279CategoryEngines Last Updated8/21/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2002 Caterpillar C12 Engine $12,000 USD GOOD RUNNING ENGINE N Warranty ConditionUsedHorse Power445 HPPart Number2CPXH0729EBXStock Number1836 MLS Number12691416CategoryEngines Last Updated3/12/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2002 Caterpillar C12 Engine $12,500 USD GOOD RUNNING ENGINE, CORE EXCHANGED IS NEEDED Warranty ConditionUsedHorse Power430 HPStock Number1882 MLS Number12638665CategoryEngines Last Updated2/19/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 1999 Caterpillar C12 2KS Engine $14,000 USD NEW INFRAME KIT CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionRemanufacturedHorse Power430 HPStock Number1171 MLS Number11410143CategoryEngines Last Updated3/23/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2001 Caterpillar C12 Engine $16,000 USD NEW INFRAME KIT, NEW WATER PUMP COMES WITH JAKES, CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power355 HPStock Number1144 MLS Number11407242CategoryEngines Last Updated3/23/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 1999 Caterpillar C12 2KS Engine $16,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE, NEW HEAD, NEW TURBO Warranty ConditionRemanufacturedHorse Power430 HPStock Number1175 MLS Number11407265CategoryEngines Last Updated3/23/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2000 Caterpillar C12 2KS Engine $16,000 USD NEW INFRAME KIT, NEW CYLINDER HEAD. CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionRemanufacturedHorse Power340 HPStock Number1152 MLS Number11407269CategoryEngines Last Updated3/23/2023 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2000 Caterpillar C12 2KS Engine $16,000 USD NEW INFRAME KIT CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionRemanufacturedHorse Power380 HPStock Number1170 MLS Number11410141CategoryEngines Last Updated9/29/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2001 Caterpillar C12 2KS Engine $16,000 USD NEW INFRAME KIT, REBUILT CYLINDER HEAD, NEW TURBO/NO JAKE CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionUsedHorse Power410 HPStock Number1173 MLS Number11410145CategoryEngines Last Updated8/23/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2000 Caterpillar C12 2KS Engine $16,000 USD CATERPILLAR ENGINE C-12, NEW IN-FRAME KIT, REBUILT CYLINDER HEAD, NEW TURBO COMES WITH JAKES CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power430 HPStock Number1176 MLS Number11411438CategoryEngines Last Updated8/23/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2001 Caterpillar C12 Engine $16,000 USD GOOD RUNNING ENGINE, NEW INFRAME KIT, NEW CYLINDER HEAD Warranty ConditionUsedHorse Power430 HPStock Number1190 MLS Number11428678CategoryEngines Last Updated8/23/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2003 Caterpillar C12 MBL Engine $15,500 USD NEW INFRAME KIT CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power380 HPStock Number1149 MLS Number11407261CategoryEngines Last Updated5/23/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2003 Caterpillar C12 MBL Engine $12,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionUsedHorse Power410 HPStock Number1167 MLS Number11410132CategoryEngines Last Updated5/23/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2003 Caterpillar C12 MBL Engine $15,500 USD NEW INFRAME KIT CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power410 HPStock Number1158 MLS Number11410024CategoryEngines Last Updated5/23/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 1998 Caterpillar C12 (40 PIN) 9NS Engine $9,500 USD Core Exchange needed, Good Running engine Warranty ConditionUsedHorse Power430 HPL x W59 x 45Weight2750Stock Number965287 MLS Number11213795CategoryEngines Last Updated5/16/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 1999 Caterpillar C12 1YN Engine (40 pines) $9,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedUsage215 MilesHorse Power430 HPWeight2750Stock Number9647 MLS Number11277014CategoryEngines Last Updated5/10/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 1999 Caterpillar C12 Engine MBL 70 pins $9,500 USD CORE EXCHANGE NEEDED, 1999 Caterpillar C12 Diesel Engine (70PINECMCONNECTOR), MBL, AR# 225-9944. 1999 Caterpillar C12 Diesel Engine for sale,MBL. Model: C12. Warranty ConditionUsedAssembly NumberC01-00045-006Horse Power380 HPPart Number225-9944Stock Number964587 MLS Number11208751CategoryEngines Last Updated3/23/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info