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 Updated3/21/2026 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 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 Updated3/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar Alternator Mounting Bracket for C-15/C-16/3406E, Part # 233-6138 $550 USD Caterpillar Alternator Mounting Bracket *Fits CAT C-15, C-16, and 3406E Part# 233-6138, Serial#: N/A ConditionUsedPart Number233-6138Stock Number976664 MLS Number14231447CategoryEngine Miscellaneous Parts Last Updated3/21/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Used Idler Gear For Caterpillar 3406E Contact for price USED IDLER GEAR FOR CATERPILLAR 3406E, Core Charge: 0.00, Casting#: 6I-4578 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number52949 MLS Number10273791CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Used Idler Gear For Caterpillar 3406E Contact for price USED IDLER GEAR FOR CATERPILLAR 3406E, Core Charge: 0.00, Casting#: 6I-4579 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number52944 MLS Number10273705CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Used Intake Elbow For A Caterpillar 3406E $60 USD USED INTAKE ELBOW FOR A CATERPILLAR 3406E, Core Charge: 0.00, Casting#: N/A ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number14042 MLS Number10273164CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3406E Oil Cooler Bonnet Contact for price CATERPILLAR 3406E OIL COOLER BONNET., Core Charge: 0.00, Casting#: 7C-8567 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number11435 MLS Number10272967CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Intake Manifold Elbow From A Caterpillar 3406E Engine Contact for price INTAKE MANIFOLD ELBOW FROM A CATERPILLAR 3406E ENGINE., Core Charge: 0.00, Casting#: R01-22293-000 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number11438 MLS Number10272886CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos CAT 3406E Oil Cooler Elbow Contact for price CAT 3406E OIL COOLER ELBOW., Core Charge: 0.00, Casting#: 7C8567 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number10732 MLS Number10272870CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos CAT 3406E Fuel Filter Base With Bracket And Seperate Fuel Filter Housing Contact for price CAT 3406E FUEL FILTER BASE WITH BRACKET AND SEPERATE FUEL FILTER HOUSING ATTACHED., Core Charge: 0.00, Casting#: 103-4656 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number7458 MLS Number10272816CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406E 14.6L Engine Oil Filter Base Contact for price CATERPILLAR 3406E 14.6L ENGINE OIL FILTER BASE., Core Charge: 0.00, Casting#: 109-9001 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number7615 MLS Number10272806CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Good Clean And Inspected CAT 3406 Oil Filter Housing $80 USD GOOD CLEAN AND INSPECTED CAT 3406 OIL FILTER HOUSING, Core Charge: 0.00, Casting#: 0 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number2125 MLS Number10272436CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Good Clean And Inspected CAT 3406E Breather And Tube $100 USD GOOD CLEAN AND INSPECTED CAT 3406E BREATHER AND TUBE, Core Charge: 0.00, Casting#: 136-1602 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number1341 MLS Number10272425CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Good Clean And Inspected CAT 3406E Oil Filter Housing $175 USD GOOD CLEAN AND INSPECTED CAT 3406E OIL FILTER HOUSING, Core Charge: 0.00, Casting#: 0 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406EStock Number1042 MLS Number10272421CategoryEngine Miscellaneous Parts Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Thermostat, Part # 201737 2R2911 4N2212 4W4794 $19.99 USD NEW THERMOSTAT. FITS MULTIPLE APPLICATIONS. 180%, Serial#: ....., Core Charge: 0, Casting#: ..... ConditionNewPart Number201737 2R2911 4N2212 4W4794 6I4954 9N3711 5N6242Stock Number181830 MLS Number10748709CategoryEngine Miscellaneous Parts Last Updated3/22/2026 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 Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Thermostat Housing Gasket $6.89 USD 3406E THERMOSTAT HOUSING GASKET Quantity2ConditionNewStock Number1048585 MLS Number13212938CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ 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 Updated3/22/2026 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 Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Used Caterpillar 3406E Main Caps $103 USD Used 3406E Main Caps, Type: Caterpillar 3406E Main Caps. ConditionUsedPart Number4N0795Stock Number549-10023 MLS Number10075074CategoryEngine Miscellaneous Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ 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 Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Intercooler Pressure Hose / Air to Air Piping for 2000 Freightliner Classic $45 USD INTERCOOLER PRESSURE HOSE/AIR TO AIR PIPING, Serial#: 1LW, Casting#: 1LW ConditionUsedEngine ModelCaterpillar 3406EFits To Make(s)FreightlinerFits To Model(s)CLASSICWill Fit Year(s)2000Stock NumberP-87 MLS Number9005110CategoryEngine Miscellaneous Parts Last Updated3/25/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Air to Air Tubing / Intercooler Piping Hose, Part # 03-21262 0C TS848 $25 USD AIR TO AIR TUBING/INTERCOOLER PIPING HOSE, Serial#: 1LW, Casting#: 1LW ConditionUsedEngine ModelCaterpillar 3406EFits To Make(s)FreightlinerFits To Model(s)CLASSICWill Fit Year(s)2000Part Number03-21262 0C TS848Stock NumberP-86 MLS Number9005109CategoryEngine Miscellaneous Parts Last Updated3/25/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Injector Rocker Arm for Caterpillar 3406E/C15, Part # 20R3322 $155.85 USD NEW AFTERMARKET INJECTOR ROCKER ARM. FITS MULTIPLE CAT 3406E AND C15 ENGINE MODELS. THESE ARE THE NEWER STYLES WHEN CHANGING FROM THE OLDER STYLE YOU MUST INCLUDE THE NEW STYLE ADJUSTER,... ConditionNewPart Number20R3322 2781365 1032051 10R-1136 10R1180 10R4707 192-8215 218-2741 278-1365 207-5248Stock NumberS-28405 MLS Number11182143CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406E Rocker Arm, Part # 6I-0899 $85 USD Used Cat 3406E rocker arm P/N: 6I-0899 ConditionUsedStock Number94370 MLS Number12877394CategoryEngine Miscellaneous Parts Last Updated3/22/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info