View 11 Photos View 0 Videos CAT C15 6NZ 550HP Rebuilt Diesel Engine 2026 – New Head – Warranty – Video $41,000 USD Caterpillar C15 6NZ 550 HP Rebuilt Diesel Engine, Professionally rebuilt Caterpillar C15 6NZ diesel engine rated at 550 HP. This engine has undergone an extensive rebuild using new internal... Warranty ConditionUsedHorse Power550 HPStock Number2036 MLS Number14612816CategoryEngines Last Updated9/18/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 1 Video Caterpillar C15 Engine for a 2005 Peterbilt 379 $18,995 USD C15 ACERT,475, #BXS35373.HAVE PAPERWORK OF OVERHAUL, RUNS GOOD NO BLOWBY, WILL INSPECT BEARINGS. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK. NOTES, Serial#: BXS35373, Horse Power: 550,... ConditionUsedHorse Power550 HPFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2005Stock Number61426-5 MLS Number14450203CategoryEngines Last Updated7/25/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos USED 2007 Caterpillar C15 MXS Engine 550HP – Tested Runner – Warranty $19,000 USD 🔧 USED 2007 Caterpillar C15 MXS Diesel Engine – 550HP – Tested Runner – Warranty, Reliable used Caterpillar C15 MXS diesel engine, tested and inspected prior to sale. This 550 HP engine is... Warranty ConditionUsedHorse Power550 HPStock Number2018 MLS Number14505270CategoryEngines Last Updated7/24/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos USED 2001 Caterpillar C15 6NZ Engine 550HP – Tested Runner – Warranty $25,000 USD 🔧 USED 2001 Caterpillar C15 6NZ Diesel Engine – 550HP – Tested Runner – Warranty, Reliable used Caterpillar C15 6NZ diesel engine, tested and inspected prior to sale. This 550 HP... Warranty ConditionUsedHorse Power550 HPStock Number2211 MLS Number14505003CategoryEngines Last Updated7/24/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos USED 2001 CAT C15 6NZ Engine 550HP – Tested Runner – Warranty $25,000 USD Contact for rental/lease prices 🔧 USED 2001 Caterpillar C15 6NZ Engine – 550HP – Tested Runner – Warranty, Reliable used Caterpillar C15 6NZ diesel engine, tested and inspected prior to sale. This engine is rated at 550... Warranty ConditionUsedHorse Power550 HPStock Number2207 MLS Number14471073CategoryEngines Last Updated7/8/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar C15 Engine for a 2003 Kenworth T800 Contact for price CORE C15 6NZ 435-550HP,HOLE IN BLOCK, Serial#: 6NZ, Horse Power: 550 ConditionUsedHorse Power550 HPFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2003Stock Number70226-3 MLS Number14470435CategoryEngines Last Updated7/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos USED 2007 Caterpillar C15 ACERT Engine 550HP Tested Runner – Warranty $17,500 USD GOOD RUNNER ENGINE 550HP, 90 DAYS WARRANTY, BLOCK, CRANKSHAFT AND CYLINDER HEAD. PARTS ONLY. Warranty ConditionUsedUsage400 MilesHorse Power550 HPStock Number9406 MLS Number11117185CategoryEngines 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 1 Video USED 2006 Caterpillar C-15 Engine Double Turbo 550HP Tested Runner – Warranty $17,500 USD GOOD RUNNER ENGINE, 90 DAYS WARRANTY, BLOCK, CRANKSHAFT AND CYLINDER HEAD. PARTS ONLY. Warranty ConditionUsedUsage400 MilesHorse Power550 HPWill Fit Year(s)2005-2007Weight3500Stock Number3659 MLS Number11121151CategoryEngines 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 2007 Caterpillar C15 TWIN TURBO Engine 550HP Tested Runner – Warranty $18,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedUsage375 MilesHorse Power550 HPL x W65 x 63Weight3500Stock Number9547 MLS Number11276403CategoryEngines 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 - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty Quantity2ConditionUsedHorse Power550 HPStock Number1262 MLS Number11574388CategoryEngines 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 2011 Caterpillar C15 ACERT Engine 550HP Tested Runner – Warranty $17,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power550 HPStock Number1329 MLS Number11715835CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty Warranty ConditionUsedHorse Power550 HPStock Number1426 MLS Number11975027CategoryEngines 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 1 Video USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD GOOD USED ENGINE, CALL FOR INFO. Warranty ConditionUsedHorse Power550 HPStock Number2017 MLS Number13388948CategoryEngines 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 - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD Good running engine Warranty Quantity2ConditionUsedHorse Power550 HPStock Number2129 MLS Number13978405CategoryEngines 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 - 2009 Caterpillar C15 SDP Engine 550HP Tested Runner – Warranty $20,000 USD NEW BEARING, NEW PISTON RINGS, NEW LINERS AND INSPECT CYLINDER HEAD. GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power550 HPStock Number2135 MLS Number14117103CategoryEngines 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 2009 Caterpillar C15 SDP Engine $39,995 USD 2009 Caterpillar C15 SDP 625 HP, FULL REBUILD!, THIS IS AN SDP MODEL REBUILT TO C15-6NZ SPECS!, ECM is Included, We have many versions and Years of C15 in Stock!, Engine will be... Warranty ConditionUsedHorse Power625 HP MLS Number14384816CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2001 Caterpillar C15 6NZ Engine $37,795 USD 2001 Caterpillar C15 6NZ REBUILT, 550HP, Serial Number 6NZ, Engine will be cleaned and painted and look like the example pictures, Listing price is per engine Please call Joe for a... Warranty ConditionUsedHorse Power550 HP MLS Number14384576CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2007 Caterpillar C15 MXS Engine $37,695 USD 2007 Caterpillar C15 MXS REBUILT!!!! 6 MONTH WARRANTY Engine Serial # - MXS***** 550 HP ECM is Included We have many versions and Years of C15 in Stock! Please call Joe for a quote! -... Warranty ConditionUsedHorse Power550 HP MLS Number14384575CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2007 Caterpillar C15 MXS Engine $37,695 USD 2007 Caterpillar C15 REBUILT!!!!, 6 MONTH WARRANTY, Engine Serial # - MXS*****, 625 HP, ECM is Included, We have many versions and Years of C15 in Stock!, Engine will be cleaned and... Warranty ConditionUsedHorse Power625 HP MLS Number14384574CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2007 Caterpillar C15 MXS Engine $35,995 USD 2007 Caterpillar C15 FULL REBUILT, 6 MONTH WARRANTY, Engine Serial # - MXS, 550 HP, Original ECM is Included, We have many versions and Years of C15 in Stock!, Engine will be cleaned... Warranty ConditionUsedHorse Power550 HP MLS Number14384572CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2001 Caterpillar C15 6NZ Engine $35,000 USD REBUILT 2001 Caterpillar C15 6NZ Truck Diesel Engine - Fully Tested, Warranty 550 HP, Turbo, Engine will be cleaned and painted and look like the example pictures, Listing price is per... Warranty ConditionUsedHorse Power550 HP MLS Number14384570CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2007 Caterpillar C15 Engine $33,995 USD 2007 Caterpillar C15 REBUILT!!!!, 12 MONTH WARRANTY, Engine Serial # - MXS*****, 550 HP, ECM is Included, We have many versions and Years of C15 in Stock! Please call Joe for a quote! ... Warranty ConditionUsedHorse Power550 HP MLS Number14384569CategoryEngines Last Updated5/22/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2007 Caterpillar C15 MXS Engine $32,495 USD 2007 Caterpillar C15 REBUILT!!!! 12 MONTH WARRANTY, Engine Serial # - MXS*****, 550 HP, ECM is Included, We have many versions and Years of C15 in Stock! Please call Joe for a quote! -... Warranty ConditionUsedHorse Power550 HP MLS Number14384568CategoryEngines 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 2001 Caterpillar C15 6NZ Engine $26,795 USD USED 2001 Caterpillar C15 6NZ Complete Diesel Engine - Fully Tested, Warranty 550 HP, Engine Brake, Turbo, Engine will be cleaned and painted and look like the example pictures, Listing... Warranty ConditionUsedUsage100,000 MilesHorse Power550 HP MLS Number14384514CategoryEngines Last Updated5/21/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2001 Caterpillar C15 6NZ Engine $26,795 USD 2001 Caterpillar C15 6NZ Engine Condition Used, Serial Number 6NZ, 550 HP, Engine will be cleaned and painted and look like the example pictures, Listing price is per engine 90 Days... Warranty ConditionUsedUsage100,000 MilesHorse Power550 HP MLS Number14375942CategoryEngines Last Updated5/21/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info