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 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 $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 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 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 2003 Caterpillar C15 Charge Air Cooler Pipe Set, Turbo/Inlet Sides, Part # 0518769 0518771 $200 USD CHARGE AIR COOLER PIPES/ SET TURBO/ INLET SIDES, Serial#: 6NZ86558, Core Charge: NA, Casting#: 0518769 0518771 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2003Part Number0518769 0518771Stock Number122124-31 MLS Number13315658CategoryEngine 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 $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 2 Photos View 0 Videos Caterpillar 3406E/C15 Turbo Pressure Side Elbow, Part # 7W3144 $75 USD GOOD USED TURBO PRESSURE SIDE ELBOW. CAT 3406E/C15 PART# 7W3144, Serial#: NA ConditionUsedPart Number7W3144Stock NumberP-60811 MLS Number13285858CategoryEngine 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 3406E/C15 Turbo Pressure Side Elbow, Part # 7W3144 $75 USD GOOD USED TURBO PRESSURE SIDE ELBOW. CAT 3406E/C15 PART# 7W3144, Serial#: NA ConditionUsedPart Number7W3144Stock NumberP-60810 MLS Number13285857CategoryEngine 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 3406E/C15 Turbo Pressure Side Elbow, Part # 7W3144 $75 USD GOOD USED TURBO PRESSURE SIDE ELBOW. CAT 3406E/C15 PART# 7W3144, Serial#: NA ConditionUsedPart Number7W3144Stock NumberP-60779 MLS Number13146612CategoryEngine 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 2005 Caterpillar C15 ACERT Turbo Air Inlet, Part # 222-2885 $125 USD USED TURBO AIR INLET OFF C15 ACERT PART # 222-2885, Serial#: mxs06934, Casting#: NA ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Part Number222-2885Stock Number60224-19 MLS Number13112226CategoryEngine 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 Bonnet Outlet, Part # 163-9385 $225 USD Good used bonnet outlet c15. 1639385, Serial#: MBN, Core Charge: 0, Casting#: 163-9385 ConditionUsedPart Number163-9385Stock NumberP-60408 MLS Number11965843CategoryEngine 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 $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 $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 $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 $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 $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 $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 $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 $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 C15 Rocker Housing, Part # 231-2816 $450 USD GOOD USED CAT C15 ROCKER HOUSING PART# 231-2816, Serial#: NA, Casting#: NA ConditionUsedPart Number231-2816Stock NumberP-14629 MLS Number10820164CategoryEngine 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 Manifold Cone and Gasket Assembly for 3406E/C15 $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 $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 $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 $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 $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 $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