View 1 Photo View 1 Video Cummins X15 Engine for a 2026 Kenworth T680 $39,995 USD LOW MILE TAKEOUT! ONLY 72K MILES X15 450EX ESN#80743484 CPL#6245 CM2450, PENDING INSPECTION, TEST RUNS GOOD NO BLOWBY. WILL CHECK BEARINGS IN OUR ENGINE SHOP. 180 DAY WARRANTY ON HEAD BLOCK... ConditionUsedCPL/ARR6245Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2026Stock Number31526-2 MLS Number14258014CategoryEngines Last Updated4/1/2026 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 2020 Peterbilt 389 Contact for price X15 565HP, ESN#80154869, CM2350, 4343CPL, PENDING INSPECTION, WILL TEST RUN, 180 DAY WARRANTY ON HEAD BLOCK AND CRANK. NOTES!, Serial#: 80154869, Horse Power: 565, ARR/CPL: 4343 ConditionUsedCPL/ARR4343Horse Power565 HPFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-4 MLS Number14268220CategoryEngines Last Updated3/26/2026 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 2020 International LT625 $15,995 USD X15 450HP ESN#80228984, CM2350, CPL#4342 PENDING INSPECTION, RUNS GOOD, LIGHT BLOWBY, WILL INSPECT RODS AND MAINS IN OUR ENGINE SHOP. 180 DAY WARRANTY HEAD BLOCK AND CRANK., Serial#:... ConditionUsedHorse Power450 HPFits To Make(s)InternationalFits To Model(s)LT625Will Fit Year(s)2020Stock Number21026-4 MLS Number14152839CategoryEngines Last Updated3/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X15 Engine for a 2022 Kenworth T680 $21,995 USD CUMMINS X15 450HP CM2450, ESN#80367838, CPL# 5779 RUNS GOOD VERY LIGHT BLOWBY, PENDING INSPECTION.////////NOTES, Serial#: 80367828, Horse Power: 450, ARR/CPL: 5779 ConditionUsedCPL/ARR5779Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2022Stock Number110225-7 MLS Number13992324CategoryEngines Last Updated2/28/2026 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 2023 Kenworth T680 $21,995 USD X15 500HP CPL5881 CM2450 LOW MILE 166K,TEST RUN,BEARINGS CHECKED 6MOS WARRANTY BLOCK HEAD CRANK (FLYWHEEL HOUSING BROKE/ BROKEN BLOCK RH SIDE FRONT/ TURBOCHARGER NEEDS REPAIRED), Serial#:... ConditionUsedCPL/ARR5881Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2023Part NumberCM2450Stock Number102925-4 MLS Number13968632CategoryEngines Last Updated12/23/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins X15 Engine for a 2024 Kenworth T680 $28,995 USD X15 5881 CM2450 RUNS GREAT, WILL CHECK ROD MAINS, WILL INSPECT CAMSHAFT. 85755 MILES 2269 ENGINE HRS 180 DAY WARRANTY, Serial#: 80596192, Horse Power: 450 ConditionUsedHorse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2024Stock Number61425-1 MLS Number13695478CategoryEngines Last Updated7/19/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X15 Engine for a 2022 International LT625 $21,995 USD X15 450HP CPL5779 CM2450 RUNS GOOD NO BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80345079, Horse Power: 450, ARR/CPL: 5779 ConditionUsedCPL/ARR5779Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LT625Will Fit Year(s)2022Part NumberCM2450Stock Number41225-1 MLS Number13526254CategoryEngines Last Updated6/27/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 1 Video Cummins X15 Engine for a 2021 Kenworth T680 $22,995 USD X15 450HP CPL5348 CM2450 RUNS GOOD NO BLOWBY, WILL CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80275181, Horse Power: 450, ARR/CPL: 5348 ConditionUsedCPL/ARR5348Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Part NumberCM2450Stock Number70122-1 MLS Number13458334CategoryEngines Last Updated3/21/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video Cummins X15 Engine for a 2023 Kenworth T680 $24,995 USD X15 450HP CPL5881 CM2450 RUNS GOOD VERY LITTLE BLOWBY, WILL CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK/ NOTES, Serial#: 80434605, Horse Power: 450, ARR/CPL: 5881 ConditionUsedCPL/ARR5881Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2023Part NumberCM2450Stock Number92624-1 MLS Number13165851CategoryEngines Last Updated10/9/2024 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 2019 International LT625 $17,995 USD X15 450HP CPL4342 CM2350, WILL TEST RUN, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80100937, Horse Power: 450, ARR/CPL: 4342 ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LT625Will Fit Year(s)2019Part NumberCM2350Stock Number90624-1 MLS Number13134545CategoryEngines Last Updated9/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins X15 Engine for a 2018 Kenworth T680 $16,995 USD X15 450HP CPL4342, RUNS GOOD NO BLOWBY, BEARINGS CHECKED 6 MOS PARTS WARRANTY, Serial#: 79988396, Horse Power: 450, ARR/CPL: 4342 ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2018Part NumberCM2350Stock Number91424-7 MLS Number13128575CategoryEngines Last Updated9/26/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins X15 Engine for a 2022 Kenworth T680 $18,995 USD X15 450HP WILL GO TO 500HP, CM2450 RUNS OK LIGHT BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80318640, Horse Power: 450, ARR/CPL: 5535 ConditionUsedCPL/ARR5535Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2022Part NumberCM2450Stock Number82424-1 MLS Number13096357CategoryEngines Last Updated3/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 1 Video Cummins X15 Engine for a 2022 Peterbilt 389 $29,995 USD X15 565HP CM2450, 2050LBS TORQUE, RUNS GOOD NO BLOWBY, WILL CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY, Serial#: 80305925, Horse Power: 565, ARR/CPL: 5479 ConditionUsedCPL/ARR5479Horse Power565 HPFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2022Part NumberCM2450Stock Number80224-1 MLS Number13070716CategoryEngines Last Updated8/30/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins X15 Engine for a 2023 International LT625 $21,995 USD X15 450HP CM2450 RUNS GOOD NO BLOWBY, ROD AND MAIN BEARINGS LOOK GOOD, CAM AND TURBO LOOK GOOD, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80480560, Horse Power: 450, ARR/CPL: 5881 ConditionUsedCPL/ARR5881Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LT625Will Fit Year(s)2023Part NumberCM2450Stock Number80924-1 MLS Number13064991CategoryEngines Last Updated4/1/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video Cummins X15 Engine for a 2019 Kenworth T800 $17,995 USD X15 500HP CM2350 WILL TEST RUN, NEW RODS, MAINS, CAM TURBO OK. 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80102096, Horse Power: 500HP, ARR/CPL: 4342 ConditionUsedCPL/ARR4342Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2019Part NumberCM2350Stock Number61624-1 MLS Number12957050CategoryEngines Last Updated7/3/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X15 Engine for a 2024 International LT62F $24,995 USD X15 450HP CHECKED ROD AND MAIN BEARINGS/ LOW MILE ENGINE ASSEMBLY. RUNS GOOD NO BLOWBY. 180 DAY HEAD BLOCK AND CRANK WARRANTY. NOTES, Serial#: 80498879, Core Charge: 5000.00, Horse Power:... ConditionUsedCPL/ARR5881Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LT62FWill Fit Year(s)2024Part NumberISX15 CM2450Stock Number42824-3 MLS Number12865796CategoryEngines Last Updated5/24/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video Cummins X15 Engine for a 2017 International LONESTAR $8,995 USD INSPECTED TAKEOUT ENGINE ASSEMBLY RUNS OK BUT HAS MODERATE BLOWBY, WILL CHECK ROD AND MAIN BEARINGS. CAM AND ROCKERS WILL BE CHECKED. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK... NO WARRANTY... ConditionUsedCPL/ARR4583Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LONESTARWill Fit Year(s)2017Part NumberISX15Stock Number11724-4 MLS Number12628642CategoryEngines Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins X15 Engine for a 2016 Kenworth T680 $21,995 USD X15 450HP CPL4583, 45 DAYS ON OVERHAUL,RUNS GOOD, NO BLOWBY,BEARINGS CHECKED 6 MOS WARRANTY BLOCK HEAD CRANK, Serial#: 79822344, Horse Power: 450, ARR/CPL: 4583 ConditionUsedCPL/ARR4583Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberCM2350Stock Number122122-10 MLS Number11795839CategoryEngines Last Updated2/28/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins X15 Engine for a 2017 Kenworth T680 $16,995 USD ISX15 450HP CPL4586,WILL BE TEST RUN BEARINGS CHECKED 6 MOS WARRANTY ////NOTES////, Serial#: 79909348, Horse Power: 450, ARR/CPL: 4586, Casting#: 79909348 ConditionUsedCPL/ARR4586Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2017Part NumberCM2350Stock Number120522-10 MLS Number11764790CategoryEngines Last Updated2/28/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video Cummins X15 Engine for a 2022 International LT625 $21,995 USD X15 450HP CM2450 RUNS GOOD NO BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80340387, Horse Power: 450, ARR/CPL: CPL5779 ConditionUsedCPL/ARRCPL5779Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LT625Will Fit Year(s)2022Part NumberCM2450Stock Number20724-1 MLS Number12644235CategoryEngines Last Updated2/19/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins X15 Engine for a 2019 Kenworth T680 $15,995 USD PENDING INSPECTION. ISX15 500HP RUNS GOOD NO BLOWBY, 180 DAY HEAD,BLOCK AND CRANK WARRANTY. ROD AND MAIN BEARINGS WILL BE INSPECTED., Serial#: 80065430, Core Charge: 4500.00, Horse Power:... ConditionUsedCPL/ARR4342Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2019Part NumberCM2350Stock Number1424-6 MLS Number12583503CategoryEngines Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video Cummins X15 Engine for a 2021 Kenworth T680 $26,995 USD X15 500HP RUNS GOOD, CHECKED ROD AND BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK X15 CM2450 X124B, Serial#: 80293046, Horse Power: 500, ARR/CPL: CPL5348 ConditionUsedCPL/ARRCPL5348Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Stock Number113023-29 MLS Number12483947CategoryEngines Last Updated6/17/2025 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 2023 International LT625 $26,995 USD X15 CUMMINS RUNS GOOD NO BLOWBY, WILL CHECK ROD AND BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80391996, Horse Power: 450, ARR/CPL: CPL5779 ConditionUsedCPL/ARRCPL5779Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LT625Will Fit Year(s)2023Stock Number100323-26 MLS Number12361764CategoryEngines Last Updated12/18/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins X15 Engine for a 2013 International PROSTAR $16,995 USD ISX15 450HP RUNS GOOD,NO BLOW BY,NEW ROD AND MAIN BEARINGS, CAM AND TURBO LOOK GOOD. 180 DAY WARRANTY ////NOTES///, Serial#: 79623664, Horse Power: 450, ARR/CPL: CPL3937 ConditionUsedCPL/ARRCPL3937Horse Power450 HPFits To Make(s)InternationalFits To Model(s)PROSTARWill Fit Year(s)2013Stock Number90823-1 MLS Number12315881CategoryEngines Last Updated3/24/2026 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 International LT625 $18,995 USD PENDING INSPECTION // X15 450 HP CPL4342 79989043 WILL BE TEST RUN, BEARINGS CHECKED, 6 MONTH WARRANTY BLOCK HEAD CRANK. NOTES, Serial#: 79989043, Horse Power: 450, ARR/CPL: CPL4342 ConditionUsedCPL/ARRCPL4342Horse Power450 HPFits To Make(s)InternationalFits To Model(s)LT625Will Fit Year(s)2018Stock Number72523-1 MLS Number12226490CategoryEngines Last Updated12/18/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info