View 4 Photos View 0 Videos USED -Caterpillar 3406C Diesel Engine, | Fully Tested | Warranty $18,000 USD GOOD RUNNING USED ENGINE Warranty ConditionUsedHorse Power425 HPWill Fit Year(s)1990-1998Stock Number2138 MLS Number14149942CategoryEngines Last Updated2/18/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Engine for a Kenworth $12,995 USD PENDING INSPECTION. ENGINE RUNS GOOD, NEW ROD AND MAIN BEARINGS.CAMSHAFT/ROCKERS LOOK GOOD. TURBO LOOKS OK, RUNS GOOD NO BLOWBY. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK WILL FIT 40 PIN... ConditionUsedHorse Power475 HPFits To Make(s)KenworthPart Number3406E 40 PINStock Number6TS15354 MLS Number14146892CategoryEngines Last Updated3/17/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos 1981 Caterpillar 3406 Generator $24,500 USD Auto Start, Battery Charger, Battery Set, Cat Brand Genset, Circuit Breaker, Control Panel - Other, Engine Type - Diesel, Frequency - 60 Hz, Generator, Jacket Water Heater, No Enclosure,... ConditionUsedUsage447 HoursStock NumberEU00183 MLS Number14099064CategoryGenerator Sets Last Updated2/14/2026 LocationKnoxville, TN, US Sold ByStowers Power Systems (866) 619-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406E Engine for a 1996 Volvo AUTOCAR ACL64 $24,995 USD 3406E 435HP 5EK63620 PENDING INSPECTION, WILL TEST RUN AND INSPECT IN OUR ENGINE SHOP., Serial#: 5EK63620, Horse Power: 435 ConditionUsedHorse Power435 HPFits To Make(s)VolvoFits To Model(s)AUTOCAR ACL64Will Fit Year(s)1996Stock Number20626-5 MLS Number14142156CategoryEngines Last Updated2/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406B Engine Thermostat Housing for a CAT 3406B-ATAAC $290 USD HSG THEMROSTAT ConditionNewFits To Make(s)CATFits To Model(s)3406B-ATAACStock NumberRTC 9Y0117 MLS Number14139817CategoryEngine Thermostat Housings Last Updated2/12/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos New Aftermarket Caterpillar 3406E Flywheel Housing $1,178 USD New Aftermarket 3406E Flywheel Housing, Material: Aluminum Quantity5ConditionUsedPart Number1302802Stock Number512-15337 MLS Number14080536CategoryFlywheel Housings Last Updated2/12/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos New Aftermarket Caterpillar 3406E Oil Pan Kit $842.67 USD New Aftermarket 3406E Oil Pan Kit, Material: Aluminum Quantity3ConditionUsedPart Number7C3236Stock Number520-16661 MLS Number13964510CategoryEngine Oil Pans Last Updated2/12/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Exhaust Manifold for a CAT 3406E 15.8 $567.45 USD EXHAUST MANIFOLD CAT 3406E REPLACED AK-3406EEM ConditionNewFits To Make(s)CATFits To Model(s)3406E 15.8Stock NumberAKM AK-4P5007 MLS Number11812910CategoryExhaust Manifolds Last Updated2/11/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Caterpillar 3406E Engine for a 2015 Kenworth T800 $18,995 USD 3406E 550HP 5EK RUNS GOOD VERY LIGHT BLOWBY/ VIDEO 5-21. OWNER STATES AROUND 50K MILES ON OVERHAUL. NO PAPERS. WILL PULL PAN AND CHECK ROD AND MAIN BEARINGS/ INSPECT CAMSHAFT. 180 DAY... ConditionUsedHorse Power550 HPFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2015Part Number3406EStock Number52124-1 MLS Number12889873CategoryEngines Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406B Engine - 425 HP, ARR/CPL 9Y2448 Contact for price Caterpillar 3406B, 425 HP, AR No. 9Y2448, S/N 4MG81156, Core Engine, Locked Up. CORE UNIT SOLD AS IS. ConditionUsedCPL/ARR9Y2448Horse Power425 HPStock Number29307 MLS Number14120325CategoryEngines Last Updated2/3/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Caterpillar 3406 Engine for a 1999 Freightliner FLD120 Contact for price CAT 3406E 375 HP,1LW PENDING INSPECTION WILL TEST RUN AND CHECK BEARINGS. ECM CAN BE FLASHED TO 450 HP WITHOUT HARDWARE CHANGES, ABOVE 450HP WOULD REQUIRE INJECTORS, TURBO AND POSSIBLE... ConditionUsedHorse Power375 HPFits To Make(s)FreightlinerFits To Model(s)FLD120Will Fit Year(s)1999Stock Number12826-3 MLS Number14119627CategoryEngines Last Updated2/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 1995 Rebuilt Caterpillar 3406E Cylinder Block $4,495 USD Rebuilt 3406E Cylinder Block ConditionRemanufacturedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1995Part Number4P5401Stock Number501-12442 MLS Number13312548CategoryEngine Blocks / Cylinder Blocks Last Updated2/28/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 1998 Caterpillar 3406C Generator $49,500 USD Online Owner's Manual, ConditionUsedUsage772 HoursStock NumberEE23236 MLS Number14055101CategoryGenerator Sets Last Updated1/28/2026 LocationHenderson, NV, US Sold ByEmpire Machinery (855) 927-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 1 Video 1999 Caterpillar 3406E Engine with Jake Brakes, 2WS $20,000 USD (GOOD USED TEST RUN INTERNALLY INSPECTED) 1999 Caterpillar 3406E Diesel Engine with Jake Brake For Sale, 70-PIN,AR# 171-8353, Freightliner, 475HP @ 2100RPM, 14.6L, 550HP MAX, Engine... Warranty ConditionUsedCPL/ARR171-8353Horse Power475 HPStock Number9862 MLS Number14107536CategoryEngines Last Updated1/23/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Used Caterpillar 3406E Cam Speed Sensor $50 USD Used 3406E Cam Speed Sensor, Type: Camshaft Position Sensor ConditionUsedWill Fit Year(s)1994-1999Part Number522-1641Stock Number535-11129 MLS Number13878374CategoryEngine Sensors Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1999 Used Caterpillar 3406E Engine Gear $200 USD Used 3406E Engine Gear, Type: Idler Gear ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part Number6I4579Stock Number513-27247 MLS Number13740079CategoryEngine Gears Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1999 Used Caterpillar 3406E Thrust Plate $16 USD Used 3406E Thrust Plate, Type: Idler Gear Mounting Spacer ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part Number1129217Stock Number513-27246 MLS Number13740078CategoryEngine Gears Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Used Caterpillar 3406E Gear Hub $80 USD Used 3406E Gear Hub, Type: Idler Hub ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part Number1583416Stock Number513-27245 MLS Number13740077CategoryEngine Gears Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1999 Used Caterpillar 3406E Block Plate $18 USD Used 3406E Block Plate, Type: Block Plate, Material: Steel ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part Number9L1937Stock Number538-10363 MLS Number13742350CategoryEngine Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1999 Used Caterpillar 3406E Engine Gear $150 USD Used 3406E Engine Gear, Type: Idler Gear ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part Number1304700Stock Number513-27244 MLS Number13740076CategoryEngine Gears Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 1999 Used Caterpillar 3406E Engine Mount $320 USD Used 3406E Engine Mount, Position: Front, Type: Engine Mount, Material: Cast Iron ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part Number4W5176Stock Number548-13396 MLS Number13742349CategoryEngine Mounts 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 New Aftermarket Caterpillar 3406 Exhaust Stud $11 USD New Aftermarket 3406 Exhaust Stud, Type: 3/8in-16 x 3/8in-16 Threads x 3 15/16 in Long ConditionUsedPart Number1061792Stock Number541-12141 MLS Number13645278CategoryEngine Head Bolts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1999 Used Caterpillar 3406E Bracket $51 USD Used 3406E Bracket, Type: Engine Bracket, Material: Cast Iron ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part NumberF0HT10089BAStock Number502-18390 MLS Number13534833CategoryEngine Brackets Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1999 Used Caterpillar 3406E Front Mount $215 USD Used 3406E Front Mount, Position: Front, Type: Engine Mount, Material: Aluminum ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part Number4HT6028AAStock Number548-13343 MLS Number13530238CategoryEngine Mounts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Used Caterpillar 3406E Charge Air Connection $100 USD Used 3406E Charge Air Connection, Type: Air Charge Elbow, Material: Aluminum ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1999Part NumberE8HT6K853DAStock Number524-13326 MLS Number13567150CategoryTurbo Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info