View 8 Photos View 1 Video 2017 Used Cummins X15 Engine Price Drop $11,950 USD Used X15 Engine, AR/CPL #: 4342 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Part Number79972884Stock Number500-19319 MLS Number13745292CategoryEngines Last Updated1/26/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 1 Video 2021 Used Cummins X15 Engine Price Drop $15,500 USD Used X15 Engine, AR/CPL #: 5535 ConditionUsedFits To Make(s)Peterbilt 579Will Fit Year(s)2021Part Number80346220Stock Number500-19177 MLS Number13349228CategoryEngines Last Updated1/27/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 1 Video 2018 Used Cummins X15 Engine Price Drop $14,950 USD Used X15 Engine, AR/CPL #: 4342 ConditionUsedFits To Make(s)Peterbilt 579Will Fit Year(s)2018Part Number80019777Stock Number500-18504 MLS Number12101148CategoryEngines Last Updated1/27/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2018 Cummins X15 Engine for a Peterbilt 579 Recently Updated $15,625 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: CPL 4342 Serial#: 79980666 Horsepower: 450 ConditionUsedAssembly NumberCPL 4342Fits To Make(s)PeterbiltFits To Model(s)579Stock Number25603424 MLS Number12673081CategoryEngines Last Updated1/24/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2023 Cummins X15 Engine for a Peterbilt 579 $20,000 USD X15 500HP manufacture date 10/2022. Engine has .2 hours ZERO miles. Core only for parts. Block has been disabled. WILL SELL WITH GOOD BLOCK THAT HAS BEEN MACHINED. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number10760 MLS Number14018239CategoryEngines Last Updated1/3/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2022 Cummins X15 Engine for a Peterbilt 579 $19,310 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: MCEXH0912XCA Serial#: 80364481 Horsepower: 450 ConditionUsedAssembly NumberMCEXH0912XCAFits To Make(s)PeterbiltFits To Model(s)579Stock Number25792148 MLS Number13561493CategoryEngines Last Updated12/26/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins X15 Engine for a 2020 Peterbilt 579 Contact for price X15 450HP CPL4342 CORE,HOLE IN BLOCK,LOT'S OF GOOD PARTS, Serial#: 80135103, Horse Power: 450, ARR/CPL: 4342 ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number112025-5 MLS Number14004425CategoryEngines Last Updated11/27/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2019 Cummins X15 Engine for a Peterbilt 579 $9,645 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: 4342 Serial#: 80038261 Horsepower: 450 ConditionUsedAssembly Number4342Fits To Make(s)PeterbiltFits To Model(s)579Stock Number25781241 MLS Number13515707CategoryEngines Last Updated10/30/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2022 Cummins X15 Engine for a Peterbilt 579 $23,000 USD VERY CLEAN COMPLETE WITH ECM ConditionUsedUsage391,260 MilesHorse Power500 HPFits To Make(s)PETERBILTFits To Model(s)579Stock Number11599 MLS Number13555949CategoryEngines Last Updated9/25/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 3 Photos View 0 Videos 2024 Used Cummins X-15 Pending Inspetion ! Contact for price used Cummins X-15 Pending Inspetion !, Core Charge: 0.00, Casting#: 80490117 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2024Stock Number543189 MLS Number13626476CategoryEngines Last Updated12/22/2025 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2019 Cummins X15 Engine for a Peterbilt 579 $13,500 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: 4342 Serial#: 80115163 Horsepower: 450 ConditionUsedAssembly Number4342Fits To Make(s)PeterbiltFits To Model(s)579Stock Number25734280 MLS Number13303396CategoryEngines Last Updated4/16/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2022 Cummins X15 Engine for a Peterbilt 579 $25,000 USD SOLD COMPLETE WITH ECM VERY CLEAN NO RUST ConditionUsedUsage387,915 MilesHorse Power450 HPFits To Make(s)PETERBILTFits To Model(s)579Stock Number10063 MLS Number12350597CategoryEngines Last Updated2/25/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 9 Photos View 0 Videos 2020 Cummins X15 Engine for a Peterbilt 579 $20,000 USD RAN GREAT COMES COMPLETE WITH ECM ConditionUsedUsage387,987 MilesHorse Power450 HPFits To Make(s)PETERBILTFits To Model(s)579Stock Number9124 MLS Number11993054CategoryEngines Last Updated5/2/2024 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 2 Photos View 1 Video Cummins X15 Engine for a 2020 Peterbilt 579 $24,995 USD X15 450HP CPL4342 2020 PETE,TEST RUN GOOD,BEARINGS CHECKED 6 MOS WARRANTY /////NOTES/////, Serial#: 80150502, Horse Power: 450, ARR/CPL: 4342, Casting#: 80150502 ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number61222-10 MLS Number11464381CategoryEngines Last Updated12/18/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins X15 Engine for a 2018 Peterbilt 579 $24,995 USD X15 450 LO MILE, BEARINGS CHECKED 6 MOS WARRANTY, Serial#: 79977189, Horse Power: 450, ARR/CPL: 4342, Casting#: 79977189 ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Stock Number122219-8 MLS Number10037972CategoryEngines Last Updated12/17/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2022 Cummins X15 Engine for a Peterbilt 579 $16,790 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: CPL# 5779 Serial#: 80354273 Horsepower: 450 ConditionUsedAssembly NumberCPL# 5779Fits To Make(s)PeterbiltFits To Model(s)579Stock Number25862993 MLS Number13908141CategoryEngines Last Updated1/9/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2021 Cummins X15 Engine for a Peterbilt 579 $21,465 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: CPL5348 Serial#: 80278038 Horsepower: 450 ConditionUsedAssembly NumberCPL5348Fits To Make(s)PeterbiltFits To Model(s)579Stock Number25918342 MLS Number14065281CategoryEngines Last Updated1/4/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Used, Cummins X-15, CM2350, 450HP, Cpl: 4342, Egr, Dpf, Def, Bearings Inspected, $16,500 USD Used, Cummins X-15, CM2350, 450HP, CPL: 4342, EGR, DPF, DEF, Bearings Inspected, Top End Inspected, Miles: 671,962, ESN: 80094981 brake: Yes, Core Charge: 3500.00, Horse Power: 450 HP,... ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2019Stock Number543372 MLS Number13726547CategoryEngines Last Updated12/22/2025 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2022 Cummins X15 Engine for a Peterbilt 579 $16,790 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: MCEXH0912XCA Serial#: 80384616 Horsepower: 500 ConditionUsedAssembly NumberMCEXH0912XCAFits To Make(s)PeterbiltFits To Model(s)579Stock Number25848948 MLS Number13777946CategoryEngines Last Updated11/22/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2021 Cummins X15 Engine for a Peterbilt 579 $21,465 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: 5348 Serial#: 80265416 Horsepower: 450 ConditionUsedAssembly Number5348Fits To Make(s)PeterbiltFits To Model(s)579Stock Number25866903 MLS Number13826608CategoryEngines Last Updated11/22/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2021 Cummins X15 Engine for a Peterbilt 579 $25,250 USD (USED) Cummins X15 Warranty: 180 Day Parts Only Assembly#: CPL 5348 Serial#: 80283406 Horsepower: 450 ConditionUsedAssembly NumberCPL 5348Fits To Make(s)PeterbiltFits To Model(s)579Stock Number25860260 MLS Number13860839CategoryEngines Last Updated11/9/2025 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2023 Used, Cummins X15, CM2450, 450HP, Cpl: 5881, EGR,DPF,DEF,ESN80452960 Brake: Yes $24,530 USD Used, Cummins X15, CM2450, 450HP, CPL: 5881, EGR,DPF,DEF,ESN80452960 brake: Yes, Core Charge: 0.00, Horse Power: 450 HP, ARR/CPL: 5881 ConditionUsedCPL/ARR5881Horse Power450 HPFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2023Stock Number543417 MLS Number13762195CategoryEngines Last Updated12/22/2025 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2021 Used, Cummins X15, CM2450, Cpl: 5348, Egr, Dpf, Def, New Oe Main Bearings, Miles $22,770 USD Used, Cummins X15, CM2450, CPL: 5348, EGR, DPF, DEF, New OE Main Bearings, Miles: 349,892, ESN:80242382 brake: Yes, Core Charge: 3500.00, Horse Power: 450, ARR/CPL: 5348 ConditionUsedCPL/ARR5348Horse Power450 HPFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2021Stock Number542032 MLS Number13156812CategoryEngines Last Updated12/22/2025 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info