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 Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins ISX15 Water Pump $549 USD NEW ISX 15 WATER PUMP. 12 RIB AND 6 RIB PULLEY. COMES WITH O-RING., Serial#: NA, Core Charge: 0, Casting#: 181997 ConditionNewPart Number5406046 6305089 5405807 3692583Stock Number181997 MLS Number13905276CategoryWater Pumps Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins Big Cam Head Gasket Set for 3 Cylinder Heads, Part # 131316 $120 USD NEW AFTERMARKET HEAD SET, HEAD GASKET SET. FITS MULTIPLE CUMMINS BIG CAM APPLICATIONS. CONFIRM WITH ENGINE SERIAL NUMBER. DOES NOT INCLUDE JAKE GASKETS. KIT DOES 3 CYLINDER HEADS, Serial#... ConditionNewPart Number131316 3036205 3099122 3801348 4024945Stock Number131316 MLS Number13766214CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins X15 Cylinder Head $4,199 USD NEW ISX SINGLE CAM HEAD WITH INCONEL INTAKE VALVES, 1 YEAR WARRANTY. NEW NO CORE. 3686432 -3686434 -3686660 -3686660 -3686774 -3686880 -3686881 -3687607 -3688761, -3688800 -4298235 -4298236 ... ConditionNewPart Number4374091Stock NumberNEW IS CUMMINS SINGLE CAM HEAD MLS Number13626586CategoryCylinder Heads Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISC/ISL 8.3 Air Comp Gasket, Part # 131704 3940245 $9.18 USD AIR COMP GASKET ISC, ISL, 8.3 131704, Serial#: 131704, Core Charge: 0, Casting#: 131704 3940245 ConditionNewPart Number131704 3940245Stock Number131704 MLS Number13536712CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins L10 Exhaust Manifold Gasket, Part # 3328948 3026155 3102804 3819760 $3.37 USD NEW L10 CUMMINS EXHAUST MANIFOLD GASKET. PRICE PER GASKET., Serial#: 3328948, Casting#: 3328948 ConditionNewPart Number3328948 3026155 3102804 3819760Stock Number131452 MLS Number13536711CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins N14 Injector O-Ring for N14 Celect / Celect Plus $3.80 USD NEW N14 INJECTOR PASS O-RING. FITS N14 CELECT N14 CELECT PLUS, Serial#: 3824010, Core Charge: 0, Casting#: 3824010 ConditionNewPart Number6J2245 7L2177 8M4438 8T7291 3928624 3088-20225 20225 4984152Stock Number321249 MLS Number13536710CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins M11/ISM Lower Out of Frame Gasket Kit, Replaces 4089479 4089998 $362.51 USD NEW LOWER OUT OF FRAME GASKET KIT. FITS MULTIPLE M11/ISM CUMMINS ENGINES. REPLACES CUMMINS 4089479 4089998, Serial#: 131597, Core Charge: 0, Casting#: 131597 ConditionNewPart Number131597 4089479 4089998Stock Number131597 MLS Number13513841CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins N14 Lower Gasket Kit, Part # 3800618 38004635 4025068 $225 USD NEW N14 LOWER GASKET KIT. INCLUDES: 67946 WASHER 446GC1225 O-RING 157551 SUCTION GASKET 215705 SEAL 3006737 SEAL 3014778 GASKET 3029874 O-RING 3034412 O-RING 3034986 SEAL 3037537 O-RING... ConditionNewPart Number3800618 38004635 4025068Stock Number131539 MLS Number13483107CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins ISX15 Water Pump $564.82 USD NEW ISX X15 WATER PUMP ASSEMBLY. FITS FOR MANY YEARS. PLEASE CONFIRM WITH ENGINE SERIAL NUMBER. 1 YEAR WARRANTY, Serial#: 181973, Core Charge: 0, Casting#: 181973 ConditionNewPart Number5406048R 5406048RX 6305090R 6305090RXStock Number181973 MLS Number13417072CategoryWater Pumps Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins N14 12V Fuel Shut Off Valve, Part # 3054608 $29.95 USD NEW 12V FUEL SHUT OFF VALVE. N14 CUMMINS APPLICATIONS ////NOTES/////, Serial#: NA ConditionNewPart Number3054608Stock Number3054608 MLS Number13281980CategoryEngine Miscellaneous Parts Last Updated5/15/2026 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 $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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISX15 Water Pump $161.45 USD ISX 15 Water Pump W/O Volute Housing (12 Rib Pulley) Pump Assembly with housing. Includes mounting o-ring., Serial#: 3684450 181929 3683651, Core Charge: 0, Casting#: 3684450 ConditionNewPart Number3684450 3683651 4386576 181929Stock Number181929 MLS Number13165846CategoryWater Pumps Last Updated5/15/2026 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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB New Piston Kit (STD), Part # 111621 / 224-3732 $92.43 USD NEW PISTON KIT (STD) PART # 111621 FITS CUMMINS ISB ENGINES, Serial#: NA ConditionNewPart Number111621 / 224-3732Stock Number111621 MLS Number12656530CategoryPistons & Rod Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Piston Ring Set for Cummins ISB, 4B, 6B Engines, Part # 505160 $27.22 USD NEW PISTON RING SET PART # 505160 FITS CUMMINS ISB, 4B, 6B ENGINES, Serial#: NA ConditionNewPart Number505160 / 4955251 / 4955169 / S42140 / 4955366Stock Number505160 MLS Number12656529CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISB Valve Cover Gasket, Part # 131691 / 3954324 $23.79 USD NEW VALVE COVER GASKET PART # 131691 FITS CUMMINS ISB ENGINE, Serial#: NA ConditionNewPart Number131691 / 3954324Stock Number131691 MLS Number12656528CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISB Valve Cover Gasket, Part # 131791 $28.08 USD NEW VALVE COVER GASKET PART # 131791 FITS CUMMINS ISB ENGINES, Serial#: NA ConditionNewPart Number131791 / 4897569 / 4899226 / 5272479 / 5309255Stock Number131791 MLS Number12656527CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Cummins ISB Injector Seal Set, Part # 136145 / 3976371 $6.64 USD NEW INJECTOR SEAL SET PART # 136145 FITS CUMMINS ISB ENGINE, Serial#: NA ConditionNewPart Number136145 / 3976371Stock Number136145 MLS Number12656526CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins 6B Engine Oil Cooler $94.26 USD NEW CUMMINS 6B OIL COOLER PART #141419, Serial#: NA ConditionNewPart Number141419Stock Number141419 MLS Number12655742CategoryEngine Oil Coolers Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins Front Main Seal for 8.3 6CT ISL ISC, Part # 3353977/3908139/3908141/3921927 $14.88 USD NEW FRONT MAIN SEAL, FITS 8.3 6CT ISL ISC CHECK CROSS REFERENCE FOR FITMENT, Serial#: 3353977 3908139 3908141 3921927, Core Charge: 0, Casting#: 3353977 3908139 3908141 3921927 ConditionNewPart Number3353977 3908139 3908141 3921927Stock Number136024 MLS Number12588806CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Cummins ISB Oil Pick Up Tube to Block Gasket, Fits ISB Engines with Offset Bolt Pattern $0.99 USD NEW OIL PICK UP TUBE TO BLOCK GASKET. FITS ISB CUMMINS ENGINES WITH OFFSET BOLT PATTERN SEE PICTURE, Serial#: na, Core Charge: 0, Casting#: 131698 3949562 ConditionNewStock Number131698 MLS Number12583525CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Cummins ISB/QSB Valve Stem Seal Top Hat Style, Part # 3955393 $2.61 USD NEW Valve Stem Seal Top Hat Style 0.240in Valve Seal I.D. x 0.488in Guide Install Diameter x 1.122in Spring Seat Diameter x 0.625in Height 6.10mm Valve Seal I.D. x 0.488mm Guide Install... ConditionNewPart Number3955393Stock Number192108 MLS Number12388189CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB EGR Cooler Gasket, Part # 3979769 $3.18 USD NEW EGR COOLER GASKET., Serial#: na, Core Charge: 0, Casting#: 3979769 ConditionNewPart Number3979769Stock Number131761 MLS Number12388188CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISB Accessory Drive Gasket, Part # 4896897 $13.86 USD ISB / QSB ACCESSORY DRIVE GASKET., Serial#: na, Core Charge: 0, Casting#: 4896897 ConditionNewPart Number4896897Stock Number131757 MLS Number12388187CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info