View 2 Photos View 0 Videos New Cummins ISX Rear Main Seal, Part # 4965569 $70.40 USD NEW ISX REAR MAIN SEAL. REPLACES 3680095, 4101422. 4926527. 4965569. FITS MOST ISX AND QSX ENGINES. PICTURE REFERENCE # 6, Serial#: 4965569, Casting#: 4965569 ConditionNewPart Number4965569 136131 3680095 4101422 4926527 4692603Stock Number4965569 136131 MLS Number9203880CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Oil Pan Gasket, Fits Most 1999-2010 ISX Engines, Part # 4026684 / 3769943 $82 USD NEW ISX CUMMINS OIL PAN GASKET. FITS FRONT OR REAR SUMP. FITS MOST ISX ENGINES 1999 - 2010 4026684 3769943. PICTURE REFERENCE #5, Serial#: 4026684 131656, Casting#: 4026684 131656 Quantity2ConditionNewEngine ModelCummins ISXPart Number4026684 3769943 131656Stock Number4026684 MLS Number9005036CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISX +.25 Over Main Bearing Set, Part # 4089845 $248.39 USD NEW +.25 OVER MAIN BEARING SET. FITS MANY ISX ENGINES. PICTURE REFERENCE # 7, 86., Serial#: 4089845, Core Charge: 0, Casting#: 4089845 ConditionNewPart Number4089845 5406111 4907151 4907153 3680202Stock Number4089845 171984 MLS Number10590505CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Engine Brake Rocker Arm, Part # 3413127 $45 USD GOOD USED ISX ENGINE BRAKE ROCKER ARM CAST # 026241 PART #3413127, Serial#: 026241, Core Charge: 0, Casting#: 026241 ConditionUsedPart Number3413127Stock Number026241 MLS Number14123552CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Rocker Arm, Part # 3680167 $75 USD GOOD USED ISX ROCKER ARM 3680167, Serial#: 3680167, Core Charge: 0, Casting#: 3680167 ConditionUsedPart Number3680167Stock Number3680167 MLS Number14123551CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Rocker Arm, Part # 4059353 $75 USD GOOD USED ISX ROCKER ARM 4059353, Serial#: 4059353, Core Charge: 0, Casting#: 4059353 ConditionUsedPart Number4059353Stock Number4059353 MLS Number14123550CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Rocker Arm, Part # 4059351 $75 USD GOOD USED ISX ROCKER ARM 4059351, Serial#: 4059351, Core Charge: 0, Casting#: 4059351 ConditionUsedPart Number4059351Stock Number4059351 MLS Number14123549CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISX15 Copper Injector Seal, Part # 192143 $6 USD CUMMINS INJECTOR SEALS #192143, OE # 2872057 2872717 4955133. PRICE PER SEAL. NOZZLE SEAL, TIP SEAL. COPPER INJECTOR SEAL., Serial#: 192143, Core Charge: 0, Casting#: 2872057 2872717... ConditionNewPart Number2872057 2872717 4955133Stock Number192143 MLS Number14108162CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISX Main Bearing Set Standard Bore, Fits 1999-2011 ISX Engines $241.32 USD NEW ISX MAIN BEARING SET. STANDARD BORE, KIT INCLUDES 3678555 3678556 3680202. FITS MOST ISX ENGINES FROM 1999-2011. CONFIRM WITH ORIGINAL ENGINE SERIAL #. PICTURE REFERENCE# 7,8,9, Serial#... Quantity3ConditionNewEngine ModelCummins ISXPart Number3800298 171980 5406110Stock Number171980 5406110 MLS Number9004426CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISX15 Cylinder Head Bolt Kit, Part # 3678506 / 3678804 $352.58 USD NEW CYLINDER HEAD BOLT KIT. INCLUDES 22) 3678506 4) 3678804, Serial#: NA, Core Charge: 0, Casting#: 3678506 3678804 ConditionNewFits To Make(s)UniversalPart Number3678506 3678804 040116Stock Number040116 MLS Number13905278CategoryEngine Miscellaneous Parts Last Updated3/25/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISX Intake Manifold Gasket, Part # 3678770 $9.92 USD NEW ISX INTAKE MANIFOLD GASKET. FITS MAY ISX APPLICATIONS. PICTURE REFERENCE #1, Serial#: 3678770, Core Charge: 0, Casting#: 3678770 ConditionNewPart Number3678770Stock Number131644 MLS Number9915522CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Cummins ISX Standard Rod Bearing Set, Part # 4089405 4059447 4925971 $123.12 USD NEW ISX STANDARD ROD BEARING SET. FOR USE WITH LATE STYLE ROD. HAS OIL LUBE HOLE. FULL SET (6) PAIR. 4059447 4925971 4089405. PICTURE REFERENCE 5 6 (4059447 3682166), Serial#: 4089405,... Quantity3ConditionNewEngine ModelCummins ISXPart Number4089405 171990 4059447 4925971 171990Stock Number4089405 MLS Number9004794CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Cummins ISX +0.25 Over Rod Bearing Set, Part # 4090016 / 4925972 / 4925976 $123.12 USD NEW +.25 OVER ROD BEARING SET. FITS MANY ISX ENGINES. PICTURE REFERENCE # 56, Serial#: 4090016, Core Charge: 0, Casting#: 4090016 ConditionNewPart Number4090016 4925972 4925976Stock Number171992 MLS Number9915518CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISX Valve Cover Gasket, Part # 4026507 $119.97 USD NEW VALVE COVER GASKET. FITS MOST ISX CUMMINS APPLICATIONS. PART # 4026507 #1 ON PICTURE REFERENCE., Serial#: 4026507, Core Charge: 0, Casting#: 4026507 ConditionNewPart Number4026507 131338Stock Number4026507 131668 MLS Number9915509CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Cummins Thermostat, Part # 4318947 $32.27 USD NEW THERMOSTAT 180% FITS MULTIPLE CUMMINS APPLICATIONS., Serial#: 4318947, Core Charge: 0, Casting#: 4318947 ConditionNewPart Number4318947 181887Stock Number4318947 181930 MLS Number9915516CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISX Flywheel Housing Gasket, Part # 4965688 / 4026695 / 3680373 $51.32 USD NEW ISX FLYWHEEL HOUSING GASKET. PICTURE REFERENCE #4 FITS MOST ISX APPLICATIONS. REPLACES 4965688 4026695 3680373. CONFIRM WITH, Serial#: 4965688, Core Charge: 0, Casting#: 4965688 Quantity4ConditionNewEngine ModelCummins ISXPart Number4965688 4026695 3680373Stock Number4965688 / 131657 MLS Number9004795CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISX15 Rod Bearing Set, Part # 2882087/3686435 $205.44 USD NEW ROD BEARING SET. FITS ISX15 MODELS. SET # 2882087/3686435. REPLACES 368435 3686436. COMES AS A KIT TO DO 6 PISTON RODS. PICTURE REFERENCE #'S 45, Serial#: 2882087, Core Charge: 0,... ConditionNewPart Number2882087 3686435Stock Number172045 MLS Number9915517CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISX15 Crank Case Breather, Part # 3683917 3683918 $200 USD USED CRANK CASE BREATHER OFF ISX15 ENGINE PART # 3683917, Serial#: 79633485 ConditionUsedPart Number3683917 3683918Stock Number79633485-2 MLS Number13371821CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Engine Part $410.12 USD NEW ISX UPPER ENGINE HEAD GASKET KIT. FITS ISX EGR MODELS 2003-2007 CONFIRM WITH ESN#. KIT INCLUDES 3033247 3052586 3101268 3102314 31004229 3104230 3330537 3330538 3347937 3347939 3627695... ConditionNewEngine ModelCummins ISXPart Number4955596 4089169 4352145 131638 132058131638EStock Number132058E MLS Number9005037CategoryEngine Miscellaneous Parts Last Updated7/14/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Engine Part $0.99 USD CUMMINS WATER PIPE O-RING, FITS ISX, BIG CAM, 8.3, ISC, ISL AND MANY OTHER ENGINES., Serial#: 121228, Core Charge: 0, Casting#: 121228 3049221 ConditionNewPart Number121228 3049221Stock Number121228 MLS Number13206177CategoryEngine Miscellaneous Parts Last Updated7/14/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX15/X15 Front Cover O-Ring, Part # 3687007 3686589 131853 $29.95 USD NEW ISX15 X15 FRONT COVER O-RING. FITS MULTIPLE ISX15 X15 APPLICATIONS SEE PICTURE REFERENCE # 1, Serial#: 3687007, Core Charge: 0, Casting#: 3687007 ConditionNewPart Number3687007 3686589 131853Stock Number3687007 131853 MLS Number9915532CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Engine Part $4.99 USD NEW CUMMINS ISX LINER O-RING. FITS MULTIPLE ISX ENGINES. 1 ORING DOES 1 LINER. SOLD EACH PAI BRAND, Serial#: NA, Core Charge: 0, Casting#: NA ConditionNewPart Number121311 3678738Stock Number121311 MLS Number13152180CategoryEngine Miscellaneous Parts Last Updated7/14/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISX Engine Part $60.13 USD NEW ISX OIL COOLER HOUSING GASKET. FITS MANY ISX MODELS. USE WITH NEW STYLE COOLER ONLY. PICTURE REFERENCE # 1, Serial#: 4955592, Core Charge: 0, Casting#: 4955592 ConditionNewPart Number4955592 4376196 4089197 4089102Stock Number4955592 131654 MLS Number9915520CategoryEngine Miscellaneous Parts Last Updated7/14/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Engine Part $75 USD GOOD USED ISX ROCKER ARM 4059353, Serial#: 4059353, Core Charge: 0, Casting#: 4059353 ConditionUsedPart Number4059353Stock Number4059353 MLS Number10225799CategoryEngine Miscellaneous Parts Last Updated7/14/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX Engine Part $55.29 USD NEW ISX FRONT MAIN SEAL. FITS MULTIPLE ISX APPLICATIONS SEE PICTURE REFERENCE # 4, Serial#: 4955383, Core Charge: 0, Casting#: 4955383 ConditionNewPart Number4955383 3104263 136130Stock Number4955383 136130 MLS Number9915527CategoryEngine Miscellaneous Parts Last Updated7/14/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info