View 1 Photo View 0 Videos Cummins ISX Engine Part $9.68 USD NEW ISX ENGINE FRONT COVER O-RING. FITS MULTIPLE ISX APPLICATIONS SEE PICTURE REFERENCE # 1, Serial#: 4962721, Core Charge: 0, Casting#: 4962721 ConditionNewPart Number4962721 4059183 3679637 131660Stock Number4962721 131660 MLS Number9915531CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 to Block Seal, Part # 4393089 3685510 131959 $83.21 USD NEW ISX15 X15 FRONT COVER TO BLOCK SEAL. FITS MULTIPLE ISX15 X15 APPLICATIONS SEE PICTURE REFERENCE # 33, Serial#: 4393089, Core Charge: 0, Casting#: 4393089 ConditionNewPart Number4393089 3685510 131959Stock Number4393089 / 131959 MLS Number9915530CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Front Cover Seal Gasket, Part # 4985562 $57.96 USD NEW ISX FRONT COVER SEAL GASKET. FITS MULTIPLE ISX APPLICATIONS SEE PICTURE REFERENCE # 16, Serial#: 4985562, Casting#: 4985562 ConditionNewPart Number4985562 3680876 3681145 4026694 4101883 4089757 131655Stock Number4985562 MLS Number9915529CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Main Seal, Part # 3685173 $66.87 USD NEW ISX15 X15 FRONT MAIN SEAL. FITS MULTIPLE ISX APPLICATIONS SEE PICTURE REFERENCE # 15, Serial#: 3685173, Core Charge: 0, Casting#: 3685173 ConditionNewPart Number3685173Stock Number3685173 136139 MLS Number9915528CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 $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 Updated5/14/2026 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 $12.85 USD NEW ISX UPPER ENGINE FRONT COVER O-RING. FITS MULTIPLE ISX APPLICATIONS SEE PICTURE REFERENCE # 2, Serial#: 4962722, Casting#: 4962722 ConditionNewPart Number4962722 4059182 3679913Stock Number4962722 MLS Number9915526CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Fuel Pump Gasket, Part # 5414049 3686758 3686422 131842 $17 USD ISX15 X15 FUEL PUMP GASKET. PICTURE REFERENCE # 13, Serial#: 5414049 3686758 3686422, Core Charge: 0, Casting#: 5414049 3686758 3686422 ConditionNewPart Number5414049 3686758 3686422 131842Stock Number5414049 MLS Number9915525CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 $335.84 USD NEW ISX UPPER ENGINE HEAD GASKET KIT. FITS ISX NON EGR MODELS 1999-2004 CONFIRM WITH ESN#., Serial#: 4352144, Casting#: 4352144 ConditionNewPart Number4352144 4955595 4025300Stock Number132057 MLS Number9915524CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Updated5/14/2026 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 Updated5/14/2026 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 Updated5/14/2026 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 $6.95 USD NEW ISX OIL COOLER O-RING. FITS MANY ISX MODELS. USE WITH NEW STYLE COOLER ONLY. PRICE EACH USE (4) PER ENGINE. PICTURE REFERENCE # 21, Serial#: 4966084, Core Charge: 0, Casting#: 4966084 ConditionNewPart Number4966084 3044593Stock Number4966084 131360 MLS Number9915519CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Updated5/14/2026 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 Kit for 6 Piston Rods, 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 Number172045E MLS Number9915517CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Updated5/14/2026 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 $8.95 USD NEW THERMOSTAT HOUSING GASKET. SEE PICTURE REFERENCE #4, Serial#: 3684336, Core Charge: 0, Casting#: 3684336 ConditionNewPart Number3684336 3680601Stock Number3684336 MLS Number9915514CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Thermostat Housing Gasket, Part # 3682673 131676 $10.83 USD NEW THERMOSTAT HOUSING GASKET. SEE PICTURE REFERENCE #5, Serial#: 3682673, Core Charge: 0, Casting#: 3682673 ConditionNewPart Number3682673 131676Stock Number3682673 MLS Number9915513CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 $3.77 USD TURBO DRAIN FLANGE GASKET. PICTURE REFERENCE #1, Serial#: 3101268, Core Charge: 0, Casting#: 3101268 ConditionNewPart Number3101268Stock Number3101268 / 131670 MLS Number9915512CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 $6.79 USD TURBO FLANGE GASKET 4026884 / 3680465 NON EGR PICTURE REFERENCE #3, Serial#: 4026884, Core Charge: 0, Casting#: 4026884 ConditionNewPart Number4026884 3680465Stock Number4026884 MLS Number9915511CategoryEngine Miscellaneous Parts Last Updated5/14/2026 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 Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins N14 Rear Seal Housing, Part # 3049018 for 1994 Peterbilt 378 $35 USD GOOD USED REAR SEAL HOUSING, Serial#: 11728774, Core Charge: N/A, Casting#: 11728774 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1994Part Number3049018Stock Number61218-37 MLS Number9761352CategoryEngine Miscellaneous Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1979 Cummins Big Cam Aftercooler Assembly, Part # 214154 / 217372 $350 USD GOOD USED AFTERCOOLER ASSEMBLY. LOOKS GOOD INTERNALLY. FITS MANY SMALL/BIG CAM ENGINES CHECK P/N, Serial#: GET, Core Charge: N/A, Casting#: GET ConditionUsedWill Fit Year(s)1979Part Number214154 217372Stock NumberP-895 MLS Number9740664CategoryEngine Miscellaneous Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1982 Used Cummins Big Cam Jake Head Model 30, Serial # 10646550 $125 USD USED JAKE HEAD, Serial#: 10646550, Core Charge: NA, Casting#: 10646550 ConditionUsedWill Fit Year(s)1982Part NumberMODEL 30Stock NumberP-888 MLS Number9728895CategoryEngine Miscellaneous Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins Big Cam Rocker Box Assembly with Shafts and Rocker Arms, Part # 3007242 $200 USD GOOD USED ROCKER BOX ASSEMBLY WITH SHAFTS AND ROCKER ARMS. (NO INJECTOR ADJUSTER SCREWS), Serial#: 10646550, Core Charge: NA, Casting#: 10646550 ConditionUsedPart Number3007242Stock NumberP-887 MLS Number9728894CategoryEngine Miscellaneous Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins 5.9L Fuel Pump Gear, Part # 3915703 $100 USD GOOD USED FUEL PUMP GEAR, Serial#: 3915703, Core Charge: N/A, Casting#: 3915703 ConditionUsedPart Number3915703Stock Number5.9-7 MLS Number9681106CategoryEngine Miscellaneous Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info