View 2 Photos View 0 Videos Caterpillar Fuel Priming Pump Adaptor, Part # 9L-6378 Newly Listed $50 USD CAT FUEL PRIMING PUMP ADAPTOR #9L-6378 FITS MANY MODELS C-10 C-12 3406E 3406C 3406B C-15 C-16 C11 C13 C15 3406, Serial#: 9L-6378 ConditionUsedPart Number9L-6378Stock NumberP-61027 MLS Number14315453CategoryEngine Miscellaneous Parts Last Updated4/16/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Caterpillar Rocker Arm Shaft for 3406E/C15/C15 ACERT, Part # 6I0901 307-8322 3078322 Recently Updated $143.42 USD NEW ROCKER ARM SHAFT. FITS CAT 3406E ,C15 C15 ACERT. CHECK WITH PART #., Serial#: 6I0901, Core Charge: 0, Casting#: 6I0901 ConditionNewPart Number6I0901 307-8322 3078322Stock Number392130 MLS Number11521828CategoryEngine Miscellaneous Parts Last Updated4/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar Head Bolt Kit for C15/C15 ACERT/3406E, Part # 340099 $384.70 USD NEW HEAD BOLT KIT, FITS C15 C15 ACERT AND 3406E. 1241855,1241854, 224-5126, Serial#: 340099, Core Charge: 0, Casting#: 340099 ConditionNewPart Number340099Stock Number340099 MLS Number14301673CategoryEngine Miscellaneous Parts Last Updated4/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Caterpillar 3126 Connecting Rod Bearing, Part # 224-6638 $13.78 USD NEW CONNECTING ROD BEARING. FITS 3126 MODELS. CHECK AGAINST OE OR SERIAL NUMBER. **ENGINE TAKES A QUANTITY OF 6. SOLD EACH**, Serial#: 224-6638, Core Charge: 0, Casting#: 224-6638 ConditionNewPart Number224-6638 370055 7W9415 1765743Stock Number370055 224-6638 MLS Number9911462CategoryEngine Miscellaneous Parts Last Updated4/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Caterpillar Liner O-Ring Set for 3406E/C15/C15 ACERT/C16, Part # 321351 $19.77 USD NEW LINER O-RING SET. EACH SET DOES 1 LINER. UPDATED STYLE WITH 2) CLEVICE SEAL TYPE O-RINGS AND 2) REGULAR 3406E, C15, C15 ACERT, C16, Serial#: 321351, Core Charge: 0, Casting#: 321351 ConditionNewPart Number321351Stock Number321351 MLS Number14286619CategoryEngine Miscellaneous Parts Last Updated4/4/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar Block Dipstick Hole Plug for 3406B/C/3406E/C15/C16/C18, Part # 165-6170 $10.38 USD NEW BLOCK DIPSTICK HOLE PLUG. FITS 3406B C 3406E C15 C16 C18, Serial#: NA, Core Charge: 0, Casting#: 342154 ConditionNewPart Number165-6170Stock Number342154 MLS Number14272593CategoryEngine Miscellaneous Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Caterpillar Thermostat Housing Gasket for 3406E/C15/C16/C18, Part # 139-3550 $3.95 USD THERMOSTAT HOUSING GASKET. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. REPLACES CAT 139-3550, Serial#: 139-3550, Core Charge: 0, Casting#: 139-3550 ConditionNewPart Number139-3550Stock Number331347 MLS Number14236521CategoryEngine 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 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 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 Caterpillar 3406E/C15 Front Structure Gasket Kit $244.74 USD NEW 3406E AND C15 CATERPILLAR FRONT STRUCTURE GASKET KIT. 121250 3073966 O-RING 1 331384 1036045 ACCESSORY COVER SEAL 1 321316 1075769 O-RING 2 331415 1100004 COMPRESSOR SEAL 1... ConditionNewPart Number2336984 233-6984 1439609 1582839 1655145 1774347 1895133Stock Number331422 MLS Number10223384CategoryEngine 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 Caterpillar 3406E/C15 Rear Flywheel Housing Gasket, Part # 1555619 1085891 $38.87 USD NEW 3406E AND C15 CATERPILLAR REAR FLYWHEEL HOUSING GASKET FOR C15 PRE 04 AND ALSO 3406E. 1555619 1085891, Serial#: 1555619, Casting#: 1555619 Quantity2ConditionNewEngine ModelCaterpillar C15Part Number1555619 1085891 331398Stock Number331398 MLS Number9004804CategoryEngine 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 Caterpillar C15 Turbo Connection Pipe, Part # 231-0346 $395 USD CAT C15 TURBO CONNECTION PIPE. #231-0346, Serial#: NA ConditionUsedPart Number231-0346Stock NumberP-60987 MLS Number14119641CategoryEngine 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 Caterpillar C15 Turbo Connection Pipe, Part # 2306328 $100 USD CAT C15 TURBO CONNECTION PIPE, Serial#: NA ConditionUsedPart Number2306328Stock NumberP-60986 MLS Number14119640CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar C13 Accessory Bracket, Serial # LEE14973 $195 USD CAT C13 ACCESSORY BRACKET, Serial#: LEE14973 ConditionUsedStock NumberP-60954 MLS Number14055679CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar C13 Engine Brake Spacer Plate, Serial # LEE14973 $395 USD CAT C13 ENGINE BRAKE SPACER PLATE, Serial#: LEE14973 ConditionUsedStock NumberP-60953 MLS Number14055678CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar C13 Front Gear Cover Assembly, Part # 251-4314 $295 USD CAT C13 FRONT GEAR COVER ASSY, Serial#: LEE14973 ConditionUsedPart Number251-4314Stock NumberP-60952 MLS Number14055677CategoryEngine 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 Caterpillar C13 Front Cover, Serial # LEE14973 $125 USD CAT C13 FRONT COVER, Serial#: LEE14973 ConditionUsedStock NumberP-60949 MLS Number14053075CategoryEngine 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 Caterpillar 3406E Thermostat, Part # 201737 2R2911 4N2212 4W4794 $19.99 USD NEW THERMOSTAT. FITS MULTIPLE APPLICATIONS. 180%, Serial#: ....., Core Charge: 0, Casting#: ..... ConditionNewPart Number201737 2R2911 4N2212 4W4794 6I4954 9N3711 5N6242Stock Number181830 MLS Number10748709CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3406E Fuel Filter Base, Part # 136-5017 $130 USD USED CAT FUEL FILTER BASE CAST# 136-5017, Serial#: NA ConditionUsedPart Number136-5017Stock NumberP-60930 MLS Number13963178CategoryEngine 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 Caterpillar Fuel Primer Hand Primer Pump for 3300/3400/3208 Series, Part # 380150 $42.95 USD Primer Pump FUEL PRIMER Hand Caterpillar 3300 3400 3208 Series application, Serial#: 380150 1052508 105-2508, Core Charge: 0, Casting#: 380150 1052508 105-2508 ConditionNewPart Number380150 1052508 105-2508 1W4999 1W5014 4N2511 4W0788 6N6800 8N6800 9S8617 1052508 105-2508Stock Number380150 MLS Number10122492CategoryEngine 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 Exhaust Manifold Gasket Fits Caterpillar 3406A/B/C, Part # 129-9452 $3.99 USD NEW EXHAUST MANIFOLD GASKET. FITS CATERPILLAR 3406 A /B /C. TAKES 6 TO DO COMPLETE INSTALLATION., Serial#: 129-9452, Core Charge: 0, Casting#: 129-9452 ConditionNewPart Number129-9452 1052873 7W5978 7W9108 9Y4582Stock Number331291 MLS Number9915505CategoryEngine 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 Caterpillar Primer Pump Hand, 3300 Series Application, Part # 380151 137-5541 380151-100 331269 $45.31 USD Primer Pump Hand Caterpillar 3300 Series application, Serial#: 380151 137-5541 380151-100 331269, Core Charge: 0, Casting#: 380151 137-5541 380151-100 331269 ConditionNewPart Number380151 137-5541 380151-100 331269Stock Number380151 MLS Number10122493CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3208 Air Compressor Engine Mount Bracket, Part # D7HT-2A962-AA Contact for price USED AIR COMPRESSOR ENGINE MOUNT / BRACKET OFF CAT 3208 ENGINE, Serial#: N/A ConditionUsedPart NumberD7HT-2A962-AAStock NumberP-60889 MLS Number13662149CategoryEngine 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 Caterpillar Exhaust Stud Kit, Manifold to Head, Fits 3406/C15/C16/C18, Part # ESK3406 $121.23 USD CATERPILLAR EXHAUST STUD KIT. MANIFOLD TO HEAD. FITS 3406 C15 C16 C18. 12) 1061792 STUDS 12) 2N2766 NUT, Serial#: 340107, Core Charge: 0, Casting#: 340107 ConditionNewPart Number340107 1061792 2N2766 ESK3406Stock Number340107 MLS Number10223385CategoryEngine 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 Caterpillar C10/C12 Head Gasket Set, Part # 219-7004 $343.24 USD NEW HEAD GASKET SET. FITS MULTIPLE C12 AND C10 APPLICATIONS. PLEASE CONFIRM FITMENT WITH YOUR ENGINE SERIAL #, Serial#: 3164416, Core Charge: 0, Casting#: 3164416 ConditionNewPart Number219-7004 219-7005-316-4416 193-3324Stock Number331410 MLS Number13225823CategoryEngine 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 Caterpillar C12 Rear Structure Kit, Part # 331453 226-6620 2266620 $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 Updated3/25/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info