View 1 Photo View 0 Videos Used Caterpillar 3406E 2-GROOVE Pulley and Mount Bracket, Part # 126-8557 / 126-8551 $350 USD USED CAT 3406E PULLEY 2 GROOVE PART# 126-8557 AND MOUNT BRACKET 126-8551 MAY FIT OTHERS CHECK PART NUMBERS, Serial#: NA ConditionUsedPart Number126-8557/ 126-8551Stock NumberP-60712 MLS Number12971736CategoryEngine 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 Used Adapter for Caterpillar 3406B/C Engines, Part # 8N-8100 Contact for price USED ADAPTER FOR CAT 3406B/C ENGINES, PART # 8N-8100, Serial#: NA ConditionUsedPart Number8N-8100Stock NumberP-60652 MLS Number12771678CategoryEngine 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 ISX Engine Part $150 USD GOOD USED ISX ECM COOLING PLATE PART# 4076946, Serial#: NA ConditionUsedPart Number4076946Stock NumberP-60647 MLS Number12748400CategoryEngine 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 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 2 Photos View 0 Videos Used Caterpillar Air Inlet Elbow, Part # 109-4203, Fits C10/C12/C15/C16/C18/3406E $150 USD USED CAT AIR INLET ELBOW PART # 109-4203 FITS CAT C10, C12, C15, C16, C18, 3406E, Serial#: NA ConditionUsedPart Number109-4203Stock NumberP-60629 MLS Number12656524CategoryEngine 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 Detroit Series 60 Main Thrust Bearing Kit, Part # 671619 / 23533688 $56.23 USD NEW MAIN THRUST BEARING KIT PART # 671619 FITS DETROIT SERIES 60 ENGINES, Serial#: NA ConditionNewPart Number671619 / 23533688Stock Number671619 MLS Number12656523CategoryEngine 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 Caterpillar 3406 Timing Cover Gasket, Part # 331399 / 1669146, Fits 3400 Series $23.15 USD NEW TIMING COVER GASKET PART # 331399 FITS CAT 3400 SERIES ENGINES, Serial#: NA ConditionNewPart Number331399 / 1669146Stock Number331399 MLS Number12655745CategoryEngine 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 Caterpillar 3208 Front Crankshaft Seal, Part # 7C-6660 $19.95 USD NEW FRONT CRANKSHAFT SEAL PART # 7C-6660 FITS CAT 3208 ENGINE, Serial#: NA ConditionNewPart Number7C-6660Stock Number7C-6660 MLS Number12655744CategoryEngine 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 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 1 Photo View 0 Videos Universal Clamp 2.69"-3.00", Part # S-20530 643553237655 $8.18 USD CLAMP Min in: 2.69" Min mm: 68.32mm Max in: 3.00" Max mm: 76.2mm, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart NumberS-20530 643553237655Stock NumberS-20530 MLS Number12580918CategoryEngine 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 Mack AMI-370 E7 ASET E-TECH Rod Bearing Set (1 Rod), Part # 62GB2396A $16.59 USD AMI 370 E7 ASET E-TECH ROD BEARING SET(1 ROD) FITS MANY MACK ENGINES PLEASE CONTACT US FOR PROPER FITMENT WITH YOUR SERIAL NUMBER., Serial#: na, Core Charge: 0, Casting#: 62GB2396A ConditionNewPart Number62GB2396A 20705743 4103-5001834855 5001834855 20706152Stock NumberEBG-8332-P1 MLS Number12557256CategoryEngine 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 Ford 7.8L/6.6L Brazilian Valve Cover Gasket, Part # E7HZ-6584-B $45 USD NEW SURPLUS 7.8 6.6 FORD BRAZILIAN VALVE COVER GASKET, Serial#: NA ConditionNewFits To Make(s)FordPart NumberE7HZ-6584-BStock NumberP-60616 MLS Number12548841CategoryEngine 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 Surplus Ford 6.6/7.8 Zerostart Block Heater, Part # 3500048 $75 USD NEW SURPLUS FORD 6.6 AND 7.8 BLOCK HEATER ZEROSTART PART# 3500048, Serial#: NA ConditionNewPart Number3500048Stock Number3500048 MLS Number12548840CategoryEngine 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 New Surplus Alternator V Groove Pulley Part# 24-1504 DBL PLY 7/8B 1/2G 3.00OD $75 USD NEW SURPLUS ALTERNATOR V GROOVE PULLEY PART# 24-1504 DBL PLY 7/8B 1/2G 3.00OD, Serial#: NA ConditionNewPart Number24-1504Stock NumberP-60597 MLS Number12486619CategoryEngine 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 New Surplus Alternator V Groove Pulley Part# 24-1507 DBL PLY 7/8B 1/2G 3.36 Od $75 USD NEW SURPLUS ALTERNATOR V GROOVE PULLEY PART# 24-1507 DBL PLY 7/8B 1/2G 3.36 OD, Serial#: NA ConditionNewPart Number24-1507Stock NumberP-60596 MLS Number12486617CategoryEngine 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 Detroit DD15 Turbo Connection Pipe, Part # A4720980307 $50 USD USED DD15 TURBO CONNECTION PIPE PART# A4720980307, Serial#: NA ConditionUsedPart NumberA4720980307Stock NumberP-60574 MLS Number12408748CategoryEngine 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 Caterpillar 3406B Fuel Injection Line Retainer 20.75MM Inner Diameter, Part # 7W-2315 $20 USD 20.75MM INNER DIAMETER FUEL INJECTION LINE RETAINER PART NUMBER 7W-2315, Serial#: 7FB39680 ConditionUsedPart Number7W-2315Stock NumberP-60572 MLS Number12402974CategoryEngine 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
View 1 Photo View 0 Videos Caterpillar 3406B/C IPD Head Gasket Set, Part # 406063 $402.41 USD IPD HEAD GASKET SET, CONFIRM FITMENT WITH YOUR ENGINE SERIAL #., Serial#: 3406B/C, Core Charge: 0, Casting#: 406063 ConditionNewPart Number406063Stock Number406063 MLS Number12288593CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info