View 2 Photos View 0 Videos New Caterpillar Injector Cup O-Ring for 3406E/C15/C16/C18, Part # 166-2904 321269 $2.99 USD INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 5., Serial#: 166-2904, Core Charge: 0, Casting#: 9X7430 ConditionNewPart Number166-2904 321269Stock Number321269 MLS Number14545330CategoryEngine Miscellaneous Parts Last Updated9/18/2026 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 O-Ring for 3406E/C15/C16/C18, Part # 9X7430 $2.99 USD INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 7., Serial#: 321266, Core Charge: 0, Casting#: 9X7430 ConditionNewPart Number9X7430 321266Stock Number321266 MLS Number14545329CategoryEngine Miscellaneous Parts Last Updated9/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Caterpillar C15/3406E Head Bolt 3/4-16 x 7-5/8, Grade 8, Part # 340004 / 124-1855 / 9X8904 $9.97 USD NEW C15 / 3406E HEAD BOLT 3/4-16 x 7-5/8, 12 pt., Grade 8. Engines use (16) 340004 and (10) 340003, Serial#: 340004 124-1855 9X8904, Core Charge: 0, Casting#: 340004 124-1855 9X8904 ConditionNewPart Number340004 124-1855 9X8904Stock Number340004 MLS Number10628297CategoryEngine Miscellaneous Parts Last Updated9/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar OEM Gear, Part # 1075808 $79.99 USD CAT 1075808 Gear OEM ConditionUsedStock Number148743 MLS Number14555617CategoryEngine Miscellaneous Parts Last Updated9/17/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Caterpillar Upper End Head Set for 3406E & C15 Non-ACERT, Part # C15003 3406463 406463 $644.28 USD NEW UPPER END HEAD SET. SEE PICTURE FOR INCLUDED COMPONENTS. FITS MOST 3406E C15 NON ACERT APPLICATION, Serial#: NON ACERT, Core Charge: 0, Casting#: NON ACERT ConditionNewPart NumberC15003 3406463 406463Stock NumberC15003 MLS Number9915503CategoryEngine Miscellaneous Parts Last Updated9/17/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar C13 Turbo Air Intake Elbow, Part # 224-5393 $29.99 USD CAT C13 Engine 224-5393 Turbo Air Intake Elbow OEM ConditionUsedStock Number148709 MLS Number14552176CategoryEngine Miscellaneous Parts Last Updated9/16/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406 Water Pump Cover, Part # 7N1572 OEM $159.99 USD CAT 7N1572 3406 Water Pump Cover OEM ConditionUsedStock Number148705 MLS Number14552170CategoryEngine Miscellaneous Parts Last Updated9/16/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar C15 Oil Filter Housing Adapter, Part # 200-4246 $99.99 USD CAT C15 Engine 200-4246 Oil Filter Housing Adapter OEM ConditionUsedStock Number148696 MLS Number14552159CategoryEngine Miscellaneous Parts Last Updated9/15/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar C12 Air Intake Elbow, Part # 126-0073 $49.99 USD CAT C12 Engine 126-0073 Air Intake Elbow OEM ConditionUsedStock Number148692 MLS Number14548991CategoryEngine Miscellaneous Parts Last Updated9/15/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar Air Intake Elbow, Part # 203-0351 $59.99 USD CAT 203-0351 Air Intake Elbow OEM ConditionUsedStock Number148683 MLS Number14548982CategoryEngine Miscellaneous Parts Last Updated9/15/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406B/C/E/C15 Water Pump Housing Cover, Part # 7N1572 $95 USD Used, Cat 3406 B/ C / E / C15 Water Pump Housing Cover, P/N 7N-1572, Core Charge: 0.00 ConditionUsedPart Number7N1572Stock Number180491 MLS Number14600986CategoryEngine Miscellaneous Parts Last Updated9/19/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 100 Degree Elbow, Part # 7W5774, for 3406B/C/E C15 C16 $85 USD Used, Cat 3406 B / C / E / C15 / C16 App, 100 Degree Elbow P/N 7W-5774, Core Charge: 0.00 ConditionUsedPart Number7W5774Stock Number180490 MLS Number14600985CategoryEngine Miscellaneous Parts Last Updated9/19/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar C12 Water Pump Inlet Elbow, Part # 128-0321 $70 USD Used, Cat C12 Water Pump Inlet Elbow P/N 128-0321, Core Charge: 0.00 ConditionUsedPart Number1280321Stock Number180488 MLS Number14600984CategoryEngine Miscellaneous Parts Last Updated9/19/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar C10 Fan Clutch Mounting Bracket, Part # F7HT-8B624-FB $119.99 USD CAT C10 Engine F7HT-8B624-FB Fan Clutch Mounting Bracket OEM ConditionUsedStock Number148664 MLS Number14548962CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3126 Manifold Oil Valve, Part # 118-4329 $49.99 USD CAT 3126 Engine 118-4329 Manifold Oil Valve OEM ConditionUsedStock Number148644 MLS Number14545924CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar 3208 Engine Bracket and Pulley, Part # 7N7608 $74.99 USD CAT 3208 Engine 7N7608 Engine Bracket and Pulley OEM ConditionUsedStock Number148643 MLS Number14545923CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3406E Oil Filter Base, Part # 119-9001 $124.99 USD CAT 3406E Engine 119-9001 Oil Filter Base OEM Quantity2ConditionUsedStock Number148622 MLS Number14543962CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar C7 Oil Pressure Manifold, Part # 228-8696 $49.99 USD CAT C7 Engine 228-8696 Oil Pressure Manifold OEM ConditionUsedStock Number148621 MLS Number14543961CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar C7 Thermostat Housing, Part # 200-4518 $59.99 USD CAT C7 Engine 200-4518 Thermostat Housing OEM ConditionUsedStock Number148620 MLS Number14543960CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar C7 Fuel Filter Base with Primer, Part # 197-3342 $124.99 USD CAT C7 Engine 197-3342 Fuel Filter Base with Primer OEM ConditionUsedStock Number148618 MLS Number14543958CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar C15 Oil Cooler Bonnet, Part # 170-4860 $174.99 USD CAT C15 Engine 170-4860 Oil Cooler Bonnet OEM ConditionUsedStock Number148617 MLS Number14543957CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar C12 Fuel Filter Base Head, Part # 129-2878 $74.99 USD CAT C12 Engine 129-2878 Fuel Filter Base Head OEM ConditionUsedStock Number148616 MLS Number14543956CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3406 Oil Cooler Bonnet, Part # 7C8567 $74.99 USD CAT 3406 Engine 7C8567 Oil Cooler Bonnet OEM Quantity2ConditionUsedStock Number148614 MLS Number14543955CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3306B Turbo Drain Support, Part # 2W4732 $74.99 USD CAT 3306B Engine 2W4732 Turbo Drain Support OEM ConditionUsedStock Number148602 MLS Number14543945CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar C7 Thermostat Housing, Part # 133-3730 $49.99 USD CAT C7 Engine 133-3730 Thermostat Housing OEM Quantity2ConditionUsedStock Number148600 MLS Number14543943CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info