Featured Item View 9 Photos View 0 Videos 2001 USED CAT C15 6NZ 550HP Engine – Strong Runner – Warranty $27,500 USD Caterpillar C15 6NZ Diesel Engine – 550HP – Used – Strong Runner – Warranty, Reliable Caterpillar C15 6NZ diesel engine removed from a running unit and verified as a strong running takeout... Warranty ConditionUsedHorse Power550 HPStock Number2177 MLS Number14303657CategoryEngines Last Updated4/20/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 11 Photos View 0 Videos 2005 Caterpillar C15 Engine $20,000 USD (LIKE NEW) 2005 Caterpillar C15 ACERT Diesel Engine (EPA04), Miles: 31,985, Hours: 1651, Serial # MXS59135, AR # 261-5366, Fam # 5CPXH0928EBK, 475HP RATED, 625HP Max Rating, Long Block #... ConditionNewUsage1,651 HoursPart NumberAR # 261-5366Stock Number006820 MLS Number14300749CategoryEngines Last Updated4/9/2026 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 4 Photos View 1 Video REMANUFACTURED - 2001 Caterpillar C15 6NZ REBUILT Engine $35,000 USD Rebuilt 2001 Caterpillar C15 6NZ Diesel Engine For Sale with Jake Brakes, 550HP, SINGLE TURBO, 6 Cylinders, 15.2L, 70-PIN, Engine Serial# 6NZ***, Stock# 2424 Warranty ConditionRemanufacturedHorse Power550 HPStock Number2029 MLS Number13506484CategoryEngines Last Updated4/20/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 7 Photos View 0 Videos Caterpillar C15 Engine - NEW REMANUFACTURED LONG BLOCK Contact for price We offer a variety of both, over the road truck and industrial replacement engines for the Caterpillar C15 ACERT and NON-ACERT Models. Our remanufactured CAT C15 engines come as a 3/4 long... Warranty Quantity9ConditionRemanufacturedHorse Power625 HPFits To EquipmentTractor Trailers, Day Cabs, Sleeper Cabs, Articulated Dump Trucks, Execavators, Drill Rigs, Logging Equipment, Pump EquipmentFits To Make(s)Peterbilt, Freightliner, Kenworth, International, Western StarFits To Model(s)Peterbilt - 279, 357, 359, 362, 378, 379, 386, 387, 388, 389 Freightliner - FLD120, Classic XL, Century, Cascadia, Columbia, Argosy Kenworth - T404, T600, T658, T680, T690, T800, T880, T2000, W900, K104, K108 International - 5900i, 9200i, 9400i, 9900i Western Star - 4800, 4900, 4964, 6964Will Fit Year(s)1999-2007Stock NumberBBENG53 MLS Number13095269CategoryEngines Last Updated4/1/2026 LocationParker, CO, US Sold ByBig Bear Engine Company (844) 332-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 1 Photo View 0 Videos Caterpillar C15 Engine Contact for price ROUND TRIP FREIGHT INCLUDED, PRICE MATCH GUARANTEE, CALL TODAY FOR A QUOTE, 254-3835, 202-7585, 184-2818, 230-2043, 365-3722, 364-4037, 264-0765, 254-3835, 202-7585, 184-2818, 230-2043,... Warranty ConditionRemanufacturedFits To Make(s)CaterpillarFits To Model(s)C15 MLS Number11433539CategoryEngines Last Updated4/1/2026 LocationMinneapolis, MN, US Sold ByPilot Engines (844) 909-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 5 Photos View 0 Videos CAT C15 Engine ESN - 6NZ $17,800 USD New Reman Long Block is 3/4 Engine and includes: - Block - Cylinder Head - Camshaft - Followers/Lifters - Pistons - Liners - Rings - Connecting Rods - Intermediate Cover - Timed Front Gear... Warranty ConditionRemanufactured MLS Number9592936CategoryEngines Last Updated4/24/2026 LocationParker, CO, US Sold ByCapital Reman (844) 562-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar C15 Engine Recently Updated $34,995 USD REMANUFACTURED 6NZ TRUCK and MBN, SPD, ALL OTHER TRUCK APPLICATION, COMPLETE REBUILT TO YOUR SERIAL#, START $34995.00 EXCHANGE WITH ONE YEAR LIMITED WARRANTY PLUS $10,000.00 REFUNDABLE... ConditionRemanufacturedStock Number30687 MLS Number13353249CategoryEngines Last Updated4/25/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar C15 Engine Recently Updated $16,095 USD 6NZ, MBN, SPD, MSX, ANY C-15 BASIC LONG BLOCK REMANUFACTURED ENGINES STARTING AT $16,095.00 EXCHANGE WITH ONE YEAR OR 2,000 HRS WHICHEVER OCCURS FIRST, FACTORY PARTS LABOR WARRANTY PLUS... Quantity2ConditionRemanufacturedStock Number67291 MLS Number13353167CategoryEngines Last Updated4/25/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2004 Caterpillar C15 Engine for a Freightliner C120 Century Recently Updated $12,350 USD (USED) CAT C15 Warranty: 180 Day Parts Only Assembly#: 235-9193 Serial#: BXS03546 Horsepower: 435 ConditionUsedAssembly Number235-9193Fits To Make(s)FreightlinerFits To Model(s)C120 CENTURYStock Number25678931 MLS Number13029289CategoryEngines Last Updated4/24/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar C15 Engine Recently Updated $44,995 USD OFF ROAD LHX, JRE, BEM OTHERS STARTING AT $44,995.00 FOR EGR ENGINES ADD $10,000, PREMIUM REMANUFACTURED CATERPILLAR C-15 COMPLETE ENGINE EXCHANGE WITH ONE YEAR OR 2,000 hrs. whichever... Quantity2ConditionRemanufacturedStock Number29463 MLS Number13353385CategoryEngines Last Updated4/25/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2024 Caterpillar C15 Engine Recently Updated $74,995 USD COMPLETE SURPLUS NEW ENGINE, NEVER USED Caterpillar C15 WITH LIMITED PARTS WARRANTY. ConditionNewStock Number70361 MLS Number13424216CategoryEngines Last Updated4/25/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2024 Caterpillar C15 Engine Recently Updated $74,995 USD COMPLETE SURPLUS NEW ENGINE, NEVER USED Caterpillar C15 WITH LIMITED PARTS WARRANTY SN#MCW19536, AR#359-2103, 540 HP. ConditionNewStock Number70362 MLS Number13424215CategoryEngines Last Updated4/25/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2006 Caterpillar C15 Engine Recently Updated $15,995 USD 100 DAY PARTS WARRANTY STARTING AT $15995.00 GOOD USED TEASTED, WITH $5000.00 CORE CHARGE. NXS, BXS, MXS, 6NZ, SPD MBN,, AR# 220-7844, 475HP Quantity2ConditionUsedStock Number7234 MLS Number13354200CategoryEngines Last Updated4/25/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2004 Caterpillar C15 ACERT Engine for 2004-2007 $16,999 USD Fully Remanufactured C15 Acert – Stage 3 Cylinder Head, This longblock is built from the ground up with all new components throughout. Here's exactly what's included:, Inframe Kit – Brand... Warranty ConditionRemanufacturedL x W42 x 18Fits To Make(s)CATERPILLARWill Fit Year(s)2004-2007Weight1800lbs MLS Number14308736CategoryEngines Last Updated4/14/2026 LocationHouston, TX, US Sold ByM&Y Machine Shop (713) 637-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 1 Video 2006 Caterpillar C15 Engine, MXS $16,500 USD (GOOD USED TEST RUN INTERNALLY INSPECTED) 2006 Caterpillar C15 ACERT Diesel Engine For Sale, DUAL TURBO, MXS, 43HP @ 2100RPM, AR# 269-4596, 248-5533, Head Part# 274-1953, Block: 223-9252,... ConditionUsedCPL/ARR269-4596Horse Power435 HPStock Number10030 MLS Number14303729CategoryEngines Last Updated4/10/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2006 Caterpillar C15 ACERT Engine for a Peterbilt 378 $9,000 USD OUT OF TRUCK WITH ELECTRICAL FIRE ON CAB AND BURNED WIRES TO THE ECM AND PART OF ECM. ENGINE IS COMPLETE WITH TURBOS. NO CORE CHARGE ConditionUsedHorse Power475 HPFits To Make(s)PETERBILTFits To Model(s)378Stock Number12469 MLS Number14268882CategoryEngines Last Updated3/31/2026 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 12 Photos View 0 Videos 2005 Caterpillar C15 ACERT Engine $12,890 USD Used 2005 Caterpillar C15 Acert Engine Assembly, , Removed from 2005 Kenworth, , Manufacturer: Caterpillar, , Model: C15 Acert, , Adv. HP:466 , Max... ConditionUsedUsage506,002 Miles MLS Number13518332CategoryEngines Last Updated3/24/2026 LocationMineral, VA, US Sold ByInside Auto Parts (888) 693-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2001 CAT C15 6NZ 550HP Engine – USED– New Turbo & Manifold – Warranty $30,000 USD Caterpillar C15 6NZ – 550HP – Semi-Rebuilt – Fully Tested – Warranty, Reliable Caterpillar C15 6NZ diesel engine professionally USED and fully inspected prior to sale. This engine is known... Warranty ConditionUsedHorse Power550 HPStock Number2163 MLS Number14250384CategoryEngines Last Updated3/20/2026 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 $30,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty Quantity2ConditionUsedHorse Power550 HPStock Number1262 MLS Number11574388CategoryEngines Last Updated3/19/2026 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 $30,000 USD Warranty ConditionUsedHorse Power550 HPStock Number1426 MLS Number11975027CategoryEngines Last Updated3/19/2026 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 $30,000 USD GOOD USED ENGINE, CALL FOR INFO. Warranty ConditionUsedHorse Power550 HPStock Number2017 MLS Number13388948CategoryEngines Last Updated3/19/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED - 2001 Caterpillar C15 6NZ Engine $30,000 USD Good running engine Warranty Quantity2ConditionUsedHorse Power550 HPStock Number2129 MLS Number13978405CategoryEngines Last Updated3/19/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2007 Caterpillar C15 Engine for a International 9400i $9,500 USD C 15 ACERT CAT MXS 91943 435HP GREAT RUNNER, 596312.7 MILES ConditionUsedHorse Power435 HPFits To Make(s)INTERNATIONALFits To Model(s)9400iStock Number28352 MLS Number14164211CategoryEngines Last Updated3/19/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 1 Video 2007 Caterpillar C15 Engine $16,500 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2007 Caterpillar C15 ACERT Diesel Engine (EPA07), 15.2L, Serial # SDP10631, AR # 317-0241, Family # 7CPXH0928E1K, Short Block # 10R9173, Emission... ConditionUsedCPL/ARR317-0241Horse Power475 HPPart NumberAR # 317-0241Stock Number006693 MLS Number14023927CategoryEngines Last Updated4/19/2026 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar C15 Engine for a 2004 Kenworth T800 Contact for price CAT C15 435-500HP, ESN#MBN26492. CORE ENGINE ASSY, WILL INSPECT FURTHER, POSSIBLE USABLE BLOCK., Serial#: MBN26492, Horse Power: 435 ConditionUsedHorse Power435 HPFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2004Stock Number30926-5 MLS Number14232955CategoryEngines Last Updated3/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info