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 Updated6/25/2026 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 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 Updated6/17/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ 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 8 Photos View 0 Videos Caterpillar Turbo Outer Elbow Duct for 3406B/3406C/3406E/C15/C16, Part # 7W5774/7W-5774 $150 USD Caterpillar Turbo Outer Elbow Duct *Fits Caterpillar 3406B, 3406C, 3406E, C15 And C16 Engines Part# 7W5774, 7W-5774, Serial#: 7W5774 ConditionUsedPart Number7W5774, 7W-5774Stock Number976955 MLS Number14423638CategoryEngine 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 Injector Cup Replacement Kit for 3406E C15 C16 C18, Part # 392091 $20.31 USD INJECTOR CUP REPLACEMENT KIT. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER INJECTOR CUP, NEED 6 PER ENGINE. PICTURE REFERENCE # 10 392087 CUP ONLY INJECTOR SLEEVE, Serial#:... ConditionNewPart Number392091 2634920 9X7430 1662904Stock Number392091 MLS Number10183138CategoryEngine Miscellaneous Parts Last Updated6/16/2026 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 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 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 Updated5/15/2026 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 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 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 1 Photo View 0 Videos Caterpillar Fuel Injection O-Ring Kit for 3406E/C15/C16/C18 Engines, Part # 331241-150 $145.77 USD FUEL INJECTION O-RING KIT 331241-150 Caterpillar 3406E / C15 / C16 / C18 Series engine application, Serial#: NA ConditionNewPart Number331241-150Stock Number331241-150 MLS Number13311514CategoryEngine 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 1995 Caterpillar 3406C Upright A/C Compressor Mount, Part # 4W0074 $100 USD good used upright compressor mount/ air conditioning compressor mount., Serial#: NA, Core Charge: NA ConditionUsedFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)1995Part Number4w0074Stock Number70624-33 MLS Number13190941CategoryEngine 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 3406C A/C Mounting Bracket, Part # 101-3861 for 1995 Kenworth W900 $250 USD GOOD USED CATERPILLAR A/C MOUNTING BRACKET, Serial#: NA, Core Charge: NA ConditionUsedFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)1995Part Number101-3861Stock Number70624-28 MLS Number13112218CategoryEngine 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 Gear Train Steel Plate / Structure Plate, Part # 122-2227 $250 USD USED GEAR TRAIN STEEL PLATE/ STRUCTURE PLATE, Serial#: NA, Core Charge: NA, Casting#: 122-2227 ConditionUsedPart Number122-2227Stock Number102-2227 MLS Number13015977CategoryEngine 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 Used Caterpillar 3406E 2-GROOVE Pulley and Mount Bracket, Part # 126-8557 / 126-8551 $350 USD USED CAT 3406E PULLEY 2 GROOVE PART# 126-8557 AND MOUNT BRACKET 126-8551 MAY FIT OTHERS CHECK PART NUMBERS, Serial#: NA ConditionUsedPart Number126-8557/ 126-8551Stock NumberP-60712 MLS Number12971736CategoryEngine Miscellaneous Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info