View 1 Photo View 0 Videos New Caterpillar C12 Rear Structure Kit, Part # 331453 226-6620 2266620 Recently Updated $73.48 USD NEW C12 REAR STRUCTURE KIT. FITS MOST C12 APPLICATIONS. CONFIRM WITH ENGINE SERIAL #. KIT CONTAINS: 307-3966 1076280 4H7869 5P7701 5P7814 7C1583 7C1728 5D9344, Serial#: 331453, Core Charge... ConditionNewFits To Make(s)UniversalFits To Model(s)UniversalPart Number331453 226-6620 2266620Stock Number331453 MLS Number13483105CategoryEngine Miscellaneous Parts Last Updated6/19/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Viton 75 O-Ring Set, Series # -111, Part # 321287 Newly Listed $1.08 USD New O-Ring set 0.103 in C/S x 0.424 in ID 2.62 mm C/S x 10.77 mm ID Viton 75, Series # -111, Serial#: NA ConditionNewPart Number321287 / 6L9795 / 8L2777 / 3066938 / 3947540 / 3972753 / 4062328 / 4333-355966R1 / 355966 / 355966R1Stock Number321287 MLS Number14437307CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal Clamp 2-5/16" to 3-1/4", Part # S-29874 Newly Listed $5.67 USD CLAMP Min: 2-5/16" up to 3-1/4", Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart NumberCT9444TRP 03620302075 ATX29874 PPPCT9444TRP MPGS-29874 S-29874 GPOCT9444TRP ATP29874 GTPCT9444Stock NumberS-29874 MLS Number14437306CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Clamp 4"–4.5" (101.6–114.3MM) Newly Listed $9.99 USD CLAMP Min in: 4" Min mm: 101.6mm Max in: 4.5" Max mm: 114.3mm, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart Number643553239512 000901-064 03740201108 TB400 IH1517672C IH-1517-672-C S 1517-672-C 1517-672-CC8T Stock NumberS-22009 MLS Number14437305CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal Spring Loaded Clamp 3.10"-3.41" (78.7-86.6MM) Newly Listed $11.99 USD CLAMP Min in: 3.10" Min mm: 78.7mm Max in: 3.41" Max mm: 86.6mm Style: Spring Loaded, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart Number643553236511 83-AX-868 03631004084 B9224-0313 B OM83AX868 MK83AX868 MK-83-AX-868 S 83-AX-868 83Stock NumberS-9123 643553236511 MLS Number14437304CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal Spring Loaded Clamp 3.875"-4.1875", Part # 83-AX-871 Newly Listed $11.95 USD CLAMP Min in: 3.875" Min mm: 98.425mm Max in: 4.1875" Max mm: 106.36mm Style: Spring Loaded, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart Number83-AX-87103631004103 B9224-0388 B OM83AX871 MK83AX871 MK-83-AX-871 S 83-AX-871 83-AX-871C8T MPStock NumberS-9124 643553236528 MLS Number14437303CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Turbo Mounting Flange Gasket for Detroit, Cummins, Mack & Volvo Engines Recently Updated $5.72 USD NEW TURBO MOUNTING FLANGE GASKET. FITS MANY DETROIT, CUMMINS, MACK AND VOLVO APPLICATIONS., Serial#: 3171368 20784537 3709749 590GB1156 756-132040 590GB1189 8929529 206576 205396... ConditionNewPart Number3171368 20784537 3709749 590GB1156 756-132040 590GB1189 8929529 206576 205396 4103-5000810974 207845Stock Number3890-020 MLS Number11977316CategoryEngine Miscellaneous Parts Last Updated6/18/2026 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/L10 Rear Main Seal Kit, Part # 4089544 Recently Updated $53.42 USD NEW CUMMINS M11 ISM OR L10 REAR MAIN SEAL KIT SEE CROSS NUMBERS FOR REFERENCE., Serial#: 3027949 3032012 3800643 380068 3801139 381628 3803354 3883620 3821388 3883774 3049468 3031449 3803727... ConditionNewPart Number3027949 3032012 3800643 380068 3801139 381628 3803354 3883620 3821388 3883774 3049468 3031449 380372Stock Number136062 4089544 MLS Number10710347CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Belt Idler for Cummins 855 Big Cam, Part # 180902 / 3081234 / 3062931 Recently Updated $49.95 USD NEW BELT IDLER, FITS MANY CUMMINS 855 BIG CAM APPLICATIONS. PICTURE REFERENCE #15, Serial#: 3081234, Core Charge: 0, Casting#: 3081234 ConditionNewPart Number180902 3081234 3062931Stock Number180902 MLS Number10512156CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal T-Bolt Intake Clamp 4-1/16"–4-3/8", Serial # 561.230406 Recently Updated $3.74 USD T-Bolt intake Clamp Min 4-1/16 Max 4-3/8, Serial#: 561.230406, Core Charge: 0, Casting#: 561.230406 ConditionNewPart Number022626, 2260406, 30030-0406, 300300406, 32863, 46193, 561230406, B9226-0406, B92260406, BRB92260406,Stock Numberb9226-0406 MLS Number9994386CategoryEngine Miscellaneous Parts Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins Turbo Stud for BC/SC/N14 Big Cam/Small Cam, Part # 3010915 $2.99 USD 040008 TURBO STUD CU 3010915 BC, SC, N14 BIG CAM SMALL CAM, Serial#: 040008, Casting#: 3010915 ConditionNewPart Number040008, 3010915Stock Number040008 MLS Number14424812CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins Big Cam/Small CAM/N14 Turbo Stud Nuts, Part # 040009 $1.99 USD TURBO STUD NUTS 040008 3010914 BC SC N14 BIG CAM SMALL CAM N14, Serial#: 040009, Casting#: 3010914 ConditionNewPart Number040009Stock Number040009 MLS Number14424811CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins Turbo Drain Hose for Big Cam/Small CAM/N14, Part # 121055 $11.52 USD 121055, NEW BIG CAM, SMALL CAM, N14, CU# 3065062 BC, SC, TURBO DRAIN HOSE, Serial#: 121055, Casting#: 121055 ConditionNewPart Number121055Stock Number121055 MLS Number14424808CategoryEngine Miscellaneous Parts Last Updated6/13/2026 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 Front Main Seal, Part # 136118 3925343 $22.66 USD NEW FRONT MAIN SEAL. FITS CUMMINS ISC ISL ENGINES., Serial#: 3925343, Core Charge: 0, Casting#: 3925343 ConditionNewPart Number136118 3925343Stock Number136118 MLS Number14424772CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Caterpillar 3406E Front Structure Gasket Kit, Part # 234-1866 $245.77 USD NEW 3406E CATERPILLAR FRONT STRUCTURE GASKET KIT. CATERPILLAR 1127992 CATERPILLAR 125-2428 CATERPILLAR 1252428 CATERPILLAR 126-9506 CATERPILLAR 1269506 CATERPILLAR 129-0433... ConditionNewPart Number234-1866Stock Number331416 MLS Number13724799CategoryEngine Miscellaneous Parts Last Updated6/17/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Caterpillar C10/C12/C13 Rear Main Seal Kit, Part # 336016 7C1728 5332152 2264757 $44.99 USD NEW C10 C12 C13 REAR MAIN SEAL KIT., Serial#: 336016, Core Charge: 0, Casting#: 336016 ConditionNewFits To Make(s)UniversalFits To Model(s)UniversalPart Number336016 7C1728 5332152 2264757Stock Number336016 MLS Number13483106CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar C13 Upper Gasket Kit, Part # 331470 / 3612581 Price Drop $562.75 USD NEW UPPER GASKET KIT FOR CAT C13 ENGINE, Serial#: NA ConditionNewPart Number331470 / 3612581Stock Number331470 MLS Number13267917CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal Spring Clamp 4.12"-4.43" Spring Loaded, Part # 643553236535 $11.88 USD SPRING CLAMP Min: 4.12"/104.64mm Max: 4.43"/112.522mm Style: Spring Loaded, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart Number643553236535Stock NumberS-9125 MLS Number12580920CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal HD Spring Clamp 4.06"-4.38", Part # 643553237808 $14.95 USD HD SPRING CLAMP Min in: 4.06" Min mm: 103.2 Max in: 4.38" Max mm: 111.1, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart Number643553237808Stock NumberS-21952 MLS Number12580919CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal Spring Style Stainless Steel Clamp Min 2.50", Part # 643553237709 $12.50 USD CLAMP Min: 2.50" SPRING STYLE Stainless Steel, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart Number643553237709Stock NumberS-21725 MLS Number12580916CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Universal Stainless Steel Clamp 2.56"–3.5", Part # 643553237617 $7.72 USD CLAMP Min: 2.56"/ 65.0875mm Max: 3.5"/88.9mm Stainless Steel, Serial#: NOF, Core Charge: 0, Casting#: NOF ConditionNewPart Number643553237617Stock NumberS-20224 MLS Number12580915CategoryEngine Miscellaneous Parts Last Updated6/13/2026 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 $21.38 USD NEW CAMSHAFT BUSHING . FITS MOST DOHC ISX ENGINES. 3680580 PICTURE REFERENCE #23, Serial#: 3680581, Core Charge: 0, Casting#: 3680581 ConditionNewPart Number3680581 4319032Stock Number3680581 151560 MLS Number9915553CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar Injector Cup Replacement Kit for 3406E C15 C16 C18, Part # 392091 $20.31 USD INJECTOR CUP REPLACEMENT KIT. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER INJECTOR CUP, NEED 6 PER ENGINE. PICTURE REFERENCE # 10 392087 CUP ONLY INJECTOR SLEEVE, Serial#:... ConditionNewPart Number392091 2634920 9X7430 1662904Stock Number392091 MLS Number10183138CategoryEngine Miscellaneous Parts Last Updated6/16/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar C13 Air Transfer Elbow, Part # 222-2895 $125 USD USED KCB C13 AIR TRANSFER ELBOW PART# 222-2895, Serial#: KCB ConditionUsedPart Number222-2895Stock NumberP-61031 MLS Number14327743CategoryEngine 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 Universal Dipstick Assembly 1" Twist Expandable Plug End 38.5" Length, Part # 6680-00-843-6997 $14.95 USD NEW DIPSTICK ASSEMBLY/ UNIVERSAL? CAN CUT TO LENGTH? 1" TWIST EXPANDABLE PLUG END 38.5 OVERALL LENGTH, Serial#: GET ConditionNewPart NumberUNIVERSALStock Number6680-00-843-6997 MLS Number14317969CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info