View 9 Photos View 0 Videos Used Caterpillar 3406B Fuel Injector Connector, Part # P-1014458 Newly Listed $40 USD Good used Fuel Injector connector from a Caterpillar 3406B engine. The Fuel injector connector has been visually inspected and is in good condition. The Fuel injector connector has corrosion... ConditionUsedPart NumberP-1014458Stock NumberP-1014458 MLS Number14444008CategoryEngine Miscellaneous Parts Last Updated6/23/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Caterpillar 3406B Rocker Housing Cover, Used, Part # P-1014455 Newly Listed $165 USD Good used Rocker housing cover from a Caterpillar 3406B engine. The Rocker housing cover has been visually inspected and is in good condition. The Rocker arm housing has no visible damage.... ConditionUsedPart NumberP-1014455Stock NumberP-1014455 MLS Number14444006CategoryEngine Miscellaneous Parts Last Updated6/23/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Used Caterpillar 3406B Coolant Conditioner Filter Base, Part # P-1014452 Newly Listed $75 USD Good used Coolant conditioner filter base from a Caterpillar 3406B engine. The Coolant conditioner filter base has been visually inspected and is in good condition. The filter base has... ConditionUsedPart NumberP-1014452Stock NumberP-1014452 MLS Number14444004CategoryEngine Miscellaneous Parts Last Updated6/23/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos Caterpillar 3406B Thermostat Housing, Part # P-1014449 Newly Listed $135 USD Good used Thermostat housing from a Caterpillar 3406B engine. The Thermostat housing has been visually inspected and is in good condition. The Housing has corrosion, the fitting has damage,... ConditionUsedPart NumberP-1014449Stock NumberP-1014449 MLS Number14444003CategoryEngine Miscellaneous Parts Last Updated6/23/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Caterpillar 3406B Thermostat Housing, Casting # 9Y2586, Part # P-1014446 Newly Listed $135 USD Good used Thermostat housing from a Caterpillar 3406B engine. The Thermostat housing has been visually inspected and is in good condition. The Thermostat housing has corrosion and rust. The... ConditionUsedPart NumberP-1014446Stock NumberP-1014446 MLS Number14444001CategoryEngine Miscellaneous Parts Last Updated6/23/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Caterpillar 3406B Valve Crosshead, Part # P-1014461 $25 USD Good used Valve crosshead from a Caterpillar 3406B engine. The Valve crosshead has been visually inspected and is in good condition. The valve crosshead has minor rust, please refer to... ConditionUsedPart NumberP-1014461Stock NumberP-1014461 MLS Number14425894CategoryEngine Miscellaneous Parts Last Updated6/24/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Caterpillar 3406B Fuel Injector Hold Down Clamp, Part # P-1014460 $25 USD Good used Fuel injector hold down clamp from a Caterpillar 3406B engine. The Fuel injector hold down clamp has been visually inspected and is in good condition. The clamp has minor rust,... ConditionUsedPart NumberP-1014460Stock NumberP-1014460 MLS Number14425893CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos Caterpillar 3406B Oil Filter Base with Attachments, Part # P-1014454 $125 USD Good used Oil filter base with attachments from a Caterpillar 3406B engine. The Oil filter base with attachments has been visually inspected and is in good condition. The oil filter base has... ConditionUsedPart NumberP-1014454Stock NumberP-1014454 MLS Number14425854CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Caterpillar 3406B Oil Cooler Connector, Part # P-1014451 $50 USD The Oil cooler connector from a Caterpillar 3406B engine. The Oil cooler connector has been visually inspected and is in good condition. The Oil cooler connector has corrosion and rust. The... ConditionUsedPart NumberP-1014451Stock NumberP-1014451 MLS Number14425853CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406B Water Pump Cover, Part # P-1014450 $50 USD Good used Water pump cover from a Caterpillar 3406B. The Water pump cover has been visually inspected and is in good condition. The Water pump cover has corrosion and rust. All bolt holes... ConditionUsedPart NumberP-1014450Stock NumberP-1014450 MLS Number14425852CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Caterpillar 3406B Intake Elbow, Part # P-1014441 $55 USD Good used Intake elbow from a Caterpillar 3406B engine. The Intake elbow has been visually inspected and is in good condition. The Intake elbow has damage on the fitting, please refer to... ConditionUsedPart NumberP-1014441Stock NumberP-1014441 MLS Number14425845CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Caterpillar 3406B Oil Cooler Connector, Casting # 4N640, Part # P-1014440 $75 USD Good used Oil cooler connector from a Caterpillar 3406Bengine. The Oil cooler connector has been visually inspected and is in good condition. The Oil cooler connector has rust and corrosion.... ConditionUsedPart NumberP-1014440Stock NumberP-1014440 MLS Number14425844CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Caterpillar Water Regulator Housing Cover 3406B/3406C/3406E, Part # 9Y2586 $375 USD Water Regulator Housing Cover *Fits Caterpillar 3406B, 3406C, 3406E Engines And R2900 Load Haul Trucks Part# 9Y2586, Serial#: 9Y2586 ConditionUsedPart Number9Y2586Stock Number976974 MLS Number14423658CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406B Rocker / Engine Brake Housing, Part # 7C0061 $200 USD USED ROCKER / ENGINE BRAKE HOUSING OFF CAT 3406B PART #7C0061, Serial#: N/A ConditionUsedPart Number7C0061Stock NumberP-60845 MLS Number13422928CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Used Adapter for Caterpillar 3406B/C Engines, Part # 8N-8100 Contact for price USED ADAPTER FOR CAT 3406B/C ENGINES, PART # 8N-8100, Serial#: NA ConditionUsedPart Number8N-8100Stock NumberP-60652 MLS Number12771678CategoryEngine 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 3406B Fuel Injection Line Retainer 20.75MM Inner Diameter, Part # 7W-2315 $20 USD 20.75MM INNER DIAMETER FUEL INJECTION LINE RETAINER PART NUMBER 7W-2315, Serial#: 7FB39680 ConditionUsedPart Number7W-2315Stock NumberP-60572 MLS Number12402974CategoryEngine 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 3406B/3406C Front Structure Gasket Kit, Part # 331409 $164.28 USD NEW FRONT STRUCTURE GASKET KIT. FITS MOST 3406B AND 3406C ENGINES. INCLUDES THE FOLLOWING 1006178 2W0459 446GC1109 1090078 4H6145 9H8872 1425867 4N0699 9L1633 146142 4N0933 1223772 4B2695... ConditionNewPart Number331409Stock Number331409 MLS Number11683131CategoryEngine 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 Main Engine Crankshaft Bearing, Part # 4W-5701 $49.99 USD Genuine Cat Main Engine Crankshaft Bearing p/n 4W-5701, 4W5701 Compatible Models for part number 4W-5701 GENERATOR WEG SR4B SR500 XQP500 SR4 SR5 TRUCK ENGINE 3408B 3406E 3406C 3406B C16... ConditionNewStock Number176733 MLS Number14242470CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 16 Photos View 0 Videos Caterpillar 3406B Engine Fuel Injection Pump, Part # 7E5888-00 for 1991 Kenworth K100E $2,249.99 USD (Used) 1991 Caterpillar 3406B, ENGINE FUEL INJECTION PUMP- Part Number: 7E5888-00, Serial Number: 30383, Reference images for condition, For more information about this item, give us a call... ConditionUsedFits To Make(s)KenworthFits To Model(s)K100EWill Fit Year(s)1991Part Number7E5888-00Stock NumberP-85771 MLS Number13033728CategoryEngine Miscellaneous Parts Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Used Caterpillar 3406B Engine Oil Filter Base, Part # 7N3451 for 1991 Kenworth K100E Contact for price (Used) Caterpillar 3406B, ENGINE OIL FILTER BASE- Part Number: 7N3451, Material: Steel, Reference images for condition, For more information about this item, give us a call. We ship... ConditionUsedFits To Make(s)KenworthFits To Model(s)K100EWill Fit Year(s)1991Part Number7N3451Stock NumberP-85773 MLS Number13033729CategoryEngine Miscellaneous Parts Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1991 Caterpillar C15 Engine Oil Cooler, Part # 0R5601 Contact for price (Used) 2006 Caterpillar C15, ENGINE OIL COOLER- Part Number: 0R5601, Serial Number: 01UUNE Reference images for condition, For more information about this item, give us a call. We ship... ConditionUsedFits To Make(s)KenworthFits To Model(s)K100EWill Fit Year(s)1991Part Number0R5601Stock NumberP-85774 MLS Number13033730CategoryEngine Miscellaneous Parts Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Used Caterpillar 3406B Fuel Transfer Pump, Part # 1W1698 for 1991 Kenworth K100E Contact for price (Used) Caterpillar 3406B, FUEL TRANSFER PUMP- Part Number: 1W1698, 0R3008, 3406B, 3306, 3304, Make: Caterpillar, Reference images for condition, For more information about this item, give... ConditionUsedFits To Make(s)KenworthFits To Model(s)K100EWill Fit Year(s)1991Part Number1W1698Stock NumberP-85775 MLS Number13033731CategoryEngine Miscellaneous Parts Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Used Caterpillar 3406B Hydraulic Power Steering Pump, Part # F3W20F, for 1991 Kenworth K100E Contact for price (Used) Caterpillar 3406B, HYDRAULIC POWER STEERING PUMP- Part Number: F3W20F, 38C4H, J900LS, Reference images for condition, For more information about this item, give us a call. We ship... ConditionUsedFits To Make(s)KenworthFits To Model(s)K100EWill Fit Year(s)1991Part NumberF3W20FStock NumberP-85779 MLS Number13033734CategoryEngine Miscellaneous Parts Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 1991 Used Caterpillar 3406B Water Pump Full Assembly, Part # 9N5034 Contact for price (Used) 1991 Caterpillar 3406B, WATER PUMP FULL ASSEMBLY- PUMP- Part Number: 9N5034, GEAR- Part Number: 2P3696, COVER- Part Number: 9Y2585, Reference images for condition, For more... ConditionUsedFits To Make(s)KenworthFits To Model(s)K100EWill Fit Year(s)1991Part Number9N5034Stock NumberP-85762 MLS Number13033722CategoryEngine Miscellaneous Parts Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Caterpillar 3406B Engine Fuel Injection Pump Cover for 1991 Kenworth K100E, Part # 2W3625 Contact for price (Used) Caterpillar 3406B, ENGINE FUEL INJECTION PUMP COVER- Part Number: 2W3625, Make: Caterpillar, Reference images for condition, For more information about this item, give us a call. We... ConditionUsedFits To Make(s)KenworthFits To Model(s)K100EWill Fit Year(s)1991Part Number2W3625Stock NumberP-85764 MLS Number13033723CategoryEngine Miscellaneous Parts Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info