View 1 Photo View 0 Videos New Caterpillar Liner O-Ring Set for 3406E/C15/C15 ACERT/C16, Part # 321351 Recently Updated $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 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 Caterpillar Block Dipstick Hole Plug for 3406B/C/3406E/C15/C16/C18, Part # 165-6170 Recently Updated $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 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 C15 Valve Cover Gasket Kit, Part # 331165-154 Recently Updated $95.37 USD VALVE COVER GASKET KIT 331165-154 Caterpillar C15 application, Serial#: NA ConditionNewPart Number331165-154Stock Number331165-154 MLS Number13311515CategoryEngine 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 Turbo Install Kit for Caterpillar 3406E/C15, Part # 381192 Recently Updated $39.52 USD NEW TURBO INSTALL KIT. FITS CAT 3406E C15 NON MODELS. KIT INCLUDES 1S4295 1142687 1262702 1986068 MOUNTING STUDS, Serial#: 381192, Core Charge: 0, Casting#: 381192 ConditionNewPart Number381192 4588201Stock Number381192 MLS Number11683137CategoryEngine 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 C15 ACERT Turbo Install Kit, Part # 331567 290-3986 Recently Updated $96.91 USD NEW TURBO INSTALL KIT. FITS CAT C15 ACERT MODELS. KIT CONSISTS OF THE FOLLOWING. 1978418 1975419 2109246 2253102 2338014 2746851 3D2824 6V6353 3040817, Serial#: 331567 290-3986, Core... ConditionNewPart Number331567 290-3986Stock Number331567 MLS Number11683133CategoryEngine 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 Turbo Mounting Gasket and O-Rings for 3406E/C15/C16/C18 Non-ACERT Recently Updated $13.28 USD TURBO MOUNTING GASKET AND O -RINGS. FITS 3406E C15 C16 C18 NON ACERT., Serial#: 331393, Core Charge: 0, Casting#: 331393 ConditionNewPart Number331393 1142687 6J2245 3032787 3040817 1S4295Stock Number331393 MLS Number11683130CategoryEngine 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 Out of Frame Gasket Kit for C15/E Engines, Part # 331137 Recently Updated $1,057.59 USD NEW OUT OF FRAME GASKET KIT. FITS C15/E ENGINES., Serial#: 331137, Core Charge: 0, Casting#: 331137 ConditionNewPart Number331137Stock Number331137 MLS Number11651911CategoryEngine 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 C15 Timing Cover Gasket, Part # 331396 102-2226 124-6014 166-9144 Recently Updated $36.23 USD NEW TIMING COVER GASKET. BETWEEN METAL INTERMEDIATE PLATE AND ALUMINUM TIMING COVER., Serial#: 331396 102-2226 124-6014 166-9144, Core Charge: 0, Casting#: 331396 102-2226 124-6014 166-9144 ConditionNewPart Number331396 102-2226 124-6014 166-9144Stock Number331396 MLS Number11640476CategoryEngine 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 Front Cover to Block 3406E, Part # 166-9142 1669142 Recently Updated $14.56 USD FRONT COVER TO BLOCK 3406E, Serial#: 166-9142 1669142, Core Charge: 0, Casting#: 166-9142 1669142 ConditionNewPart Number166-9142 1669142 123-3756 140-3130 1N3017 4N0867 4W6857 6I3899Stock Number331397 MLS Number11541785CategoryEngine 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 C15 Front Cover to Block, Part # 155-9524 Recently Updated $75.50 USD FRONT COVER TO BLOCK C15 155-9524, Serial#: 155-9524 155-9524, Core Charge: 0, Casting#: 155-9524 155-9524 ConditionNewPart Number155-9524 1559524Stock Number331471 MLS Number11541784CategoryEngine 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 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 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 Exhaust Manifold Cone and Gasket Assembly for 3406E/C15 Recently Updated $20.92 USD EXHAUST MANIFOLD CONE AND GASKET ASSEMBLY. FITS 3406E/C15. PRICE EACH, Serial#: C15 NON ACERT 3406E, Core Charge: 0, Casting#: C15 NON ACERT 3406E ConditionNewStock Number331374 MLS Number10792743CategoryEngine 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 Caterpillar 3406E and C15 Non ACERT Head Gasket Set Recently Updated $519.56 USD NEW 3406E AND C15 NON ACERT HEAD GASKET SET. FITS MOST APPLICATIONS. COMES WITH HEAD GASKET AND CORRESPONDING GASKETS TO REPLACE CYLINDER HEAD. KIT DOES NOT INCLUDE EXHAUST MANIFOLD... ConditionNewPart Number222-6727 225-0339 248-6740 248-6744 248-740 248-6744Stock Number331165E MLS Number10792742CategoryEngine 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 Caterpillar C15 Head Spacer Plate Gasket, Part # 133-9827 Recently Updated $36.64 USD NEW HEAD SPACER PLATE GASKET. BETWEEN BLOCK AND SPACER PLATE PICTURE REFERENCE #9, Serial#: ACERT, Core Charge: 0, Casting#: ACERT ConditionNewPart Number133-9827 135-7413 180-5734 6I4422 227-1204Stock Number331272 MLS Number10720045CategoryEngine 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 Caterpillar C15 / 3406E Head Bolt 3/4" x 16 x 8.5", Part # 340003 124-1854 7N1691 Recently Updated $12.86 USD NEW C15 / 3406E HEAD BOLT 3/4 "X16 X 8.5" Engines use (10) 340003 and (16) 340004, Serial#: 340003 124-1854 7N1691, Core Charge: 0, Casting#: 340003 124-1854 7N1691 ConditionNewPart Number340003 124-1854 7N1691Stock Number340003 MLS Number10628296CategoryEngine 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 Caterpillar C15/3406E Injector O-Ring Kit, Part # 2481394 C15009 189-5390 Recently Updated $8.40 USD NEW C15 3406E INJECTOR O-RING KIT. KIT INCLUDES ENOUGH O-RINGS TO REPLACE ALL 1 INJECTOR 2481394 C15009, Serial#: 2481394 189-5390, Core Charge: 0, Casting#: 2481394 189-5390 ConditionNewPart Number2481394 C15009 189-5390Stock Number248-1394 321285 MLS Number10628294CategoryEngine 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 Caterpillar C15/3406E to C15 ACERT Fitting Conversion Kit, Part # 340091 Recently Updated $46.50 USD C15/3406E TO C15 ACERT FITTING CONVERSION KIT. TO CHANGE TO A ACERT HEAD FROM NON, Serial#: 340091, Core Charge: 0, Casting#: 340091 ConditionNewPart Number340091Stock Number340091 MLS Number10550515CategoryEngine 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 Caterpillar Front Main Crankshaft Seal, Fits 3406E and C15 Applications, Part # 1425867 Recently Updated $43.26 USD NEW FRONT MAIN CRANK SHAFT SEAL. FITS MOST 3406E AND C15 APPLICATIONS., Serial#: 1425867 336013, Core Charge: 0, Casting#: 1425867 336013 ConditionNewPart Number1425867 336013 142-5867 2W1733 4P2733Stock Number1425867 336013 MLS Number10550514CategoryEngine 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 Caterpillar C15 Flywheel Housing Seal/Gasket for Cam, Part # 268-5589 Recently Updated $34.29 USD NEW FLYWHEEL HOUSING SEAL / GASKET FOR CAM. FITS CAT C15. PICTURE REFERENCE # 18, Serial#: 268-5589, Core Charge: 0, Casting#: 268-5589 ConditionNewPart Number268-5589 2685589 331426Stock Number331426 MLS Number10468653CategoryEngine 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 Caterpillar C15 Flywheel Housing Seal/Gasket, Part # 331425 2685582 268-5582 Recently Updated $24.12 USD NEW FLYWHEEL HOUSING SEAL / GASKET FITS CAT C15. PICTURE REFERENCE # 17, Serial#: 2685582, Core Charge: 0, Casting#: 2685582 ConditionNewPart Number331425 2685582 268-5582Stock Number331425 MLS Number10468640CategoryEngine 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 Caterpillar Exhaust Stud Kit, Manifold to Head, Fits 3406/C15/C16/C18, Part # ESK3406 Recently Updated $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 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 Caterpillar 3406E/C15 Front Structure Gasket Kit Recently Updated $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 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 Caterpillar C15 Engine Part Recently Updated $347.45 USD FITS C15 AND 3406E SINGLE TURBO COME WITH EXHAUST STUDS, BOLTS SLEEVES GASKETS CONES AND TURBO FLANGE GASKET, Serial#: EMSK3406E/C15, Core Charge: 0, Casting#: EMSK3406E/C15 ConditionNewPart NumberEMSK3406E/C15 340094Stock Number340094 MLS Number9915506CategoryEngine 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 Caterpillar 3406E/C15 Non Acert Head Gasket Set, Part # 3406463 Recently Updated $405 USD NEW 3406E AND C15 NON ACERT HEAD GASKET SET. FITS MOST APPLICATIONS. COMES WITH HEAD GASKET AND CORRESPONDING GASKETS TO REPLACE CYLINDER HEAD. KIT DOES NOT INCLUDE INJECTOR O-RING KIT. ... ConditionNewEngine ModelCaterpillar C15Part Number3406463Stock Number3406463 MLS Number9005039CategoryEngine 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 Caterpillar C15 Oil Pan Gasket, Part # 168-5248 Recently Updated $151.70 USD NEW OIL PAN GASKET. FITS C15 AND C15 ACERT. RUBBER REUSABLE STYLE. 168-5248, Serial#: 1685248, Core Charge: 0, Casting#: 1685248 Quantity4ConditionNewEngine ModelCaterpillar C15Part Number168-5248 331218Stock Number1685248 MLS Number9004807CategoryEngine Miscellaneous Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info