Featured Item View 9 Photos View 1 Video 1990 Caterpillar 3406B Engine $15,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1990 Caterpillar 3406B Diesel Engine with Jakes (AIR TO AIR)(Mechanical Fuel Pump), Serial # 4MG86239, AR # 7E2189, 425HP @ 2100RPM, 14.6L, TEST RUN... ConditionUsedCPL/ARR7E2189Horse Power425 HPPart Number7E2189Stock Number0067889 MLS Number14261288CategoryEngines Last Updated3/24/2026 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406B Turbocharger / Supercharger Newly Listed Contact for price Pullout, Shaft Spins Freely, No Visible Oil On Turbine ConditionUsedHorse Power425 HPStock Number31232 MLS Number14283919CategoryTurbochargers / Superchargers Last Updated4/3/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Caterpillar 3406B Turbocharger / Supercharger for a Unmarked Recently Updated $500 USD Caterpillar 3406B Turbocharger Center Housing, P/N 0R-5370. No Compressor Housing, No Turbine Housing. ConditionUsedFits To Make(s)UnmarkedStock Number4540183 MLS Number13895363CategoryTurbochargers / Superchargers Last Updated4/3/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1987 Caterpillar 3406B Turbocharger / Supercharger for a Kenworth T800 Newly Listed Contact for price Pullout, Shaft Spins Freely, No Signs Of Oil. ConditionUsedHorse Power276 HPFits To Make(s)KENWORTHFits To Model(s)T800Stock Number4315-23 MLS Number14278593CategoryTurbochargers / Superchargers Last Updated4/1/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Valve Cover for a CAT 3406B Recently Updated $125 USD CAT 3406B Valve Rocker Arm Cover, P/N 4N-4537 replaced by 7E-0330 This part is located at our Scranton, PA facility. ConditionUsedFits To Make(s)CATFits To Model(s)3406BStock Number4N-4537 MLS Number13801115CategoryValve Covers Last Updated4/1/2026 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Valve Cover for a CAT 3406B Recently Updated $125 USD CAT 3406B Valve Rocker Arm Cover, P/N 4N-4536 replaced by 7E-0330 This part is located at our Scranton, PA facility ConditionUsedFits To Make(s)CATFits To Model(s)3406BStock Number4N-4536 MLS Number13801114CategoryValve Covers Last Updated4/1/2026 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 1 Video 1991 Used Caterpillar 3406B Engine $11,000 USD Used 3406B Engine, AR/CPL #: 4P-1069 ConditionUsedFits To Make(s)FordFits To Model(s)LTAWill Fit Year(s)1991Part Number3ZJ01841Stock Number500-19206 MLS Number13656008CategoryEngines Last Updated3/20/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406B Fuel Injector for a CAT 3406B $133.50 USD INJ CAT 7000 SERIES PENCIL 3406B ENG ConditionNewFits To Make(s)CATFits To Model(s)3406BStock NumberDWD 147-012-0015 MLS Number14246999CategoryFuel Injectors Last Updated3/15/2026 LocationLansing, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406B Fuel Injector for a CAT 3406B $133.79 USD INJ CAT 7000 SERIES 3406B 3208 ENG ConditionNewFits To Make(s)CATFits To Model(s)3406BStock NumberDWD 147-012-0003 MLS Number14246998CategoryFuel Injectors Last Updated3/15/2026 LocationLansing, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406B Cylinder Head Fuel Nozzle Adapter, Part # 100-6920 $49.99 USD Cat Cylinder Head Fuel Nozzle Adapter 100-6920 Compatible Models for part number 100-6920 PUMPER SPS342 HT400 SPT342 SCT673 GENERATOR SR500 SR4 WEG SR4B TRUCK ENGINE 3406C 3406B 3408B... ConditionNewFits To Make(s)CatFits To Model(s)3406BStock Number173450 MLS Number14243330CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cat Reman Cylinder Pack OR-3782 for 3406B/3406C Truck Engine $650 USD Cat Reman Cylinder Pack OR-3782 Truck Engine 3406C, 3406B $650 with a $150 core charge ., Core Charge: 150.00 ConditionUsedFits To Make(s)CatFits To Model(s)3406BStock Number173214 MLS Number14243302CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar Oil Pressure Sensor Kit 122-1649 for 3406C/3406B Truck Engine $269 USD Cat oil pressure sensor kit 122-1649 Truck Engine 3406C 3406B, Core Charge: 0.00 ConditionNewFits To Make(s)CatFits To Model(s)3406BStock Number172349 MLS Number14243205CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 100-2849 Plat for SR4/SR4B Generator Set and 3406B/3406C Engine $112 USD Cat plat 100-2849 GENERATOR SR4 SR4B GENERATOR SET 3406C TRUCK ENGINE 3406C 3406B WHEEL TRACTOR 627F WHEEL-TYPE LOADER 980G II 980C 980G 980F 980F II RECLAIMER MIXER RM-250C RM-350B ... ConditionNewFits To Make(s)CatFits To Model(s)3406BPart Number100-2849Stock Number172055 MLS Number14243152CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 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 Updated3/21/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2002 Caterpillar 3406B Rocker Housing for a CAT 3406B-ATAAC $150 USD CAT 3406B/C ROCKER HOUSING 4N4535 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAACStock Number2617803 MLS Number14240089CategoryRocker Housings Last Updated3/12/2026 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Timing Cover for a CAT 3406B-ATAAC ABOVE 400 HP $95 USD CAT 3406 B REAR TIMING COVER 4W9082 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2616177 MLS Number14233381CategoryTiming Covers Last Updated3/19/2026 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Valve Cover for a CAT 3406B-ATAAC ABOVE 400 HP $75 USD CAT 3406B VALVE COVER NO CENT OR FILL TUBE 4N4536 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2616171 MLS Number14233380CategoryValve Covers Last Updated3/10/2026 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Valve Cover for a CAT 3406B-ATAAC ABOVE 400 HP $100 USD CAT 3406B VALVE COVER HAS VENT TUBE AND FILL TUBE 4N4536, #1 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2616165 MLS Number14233379CategoryValve Covers Last Updated3/10/2026 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1991 Caterpillar 3406B Valve Cover for a CAT 3406B-ATAAC ABOVE 400 HP $75 USD CAT 3406B ATAAC VALVE COVER 7E0331 HAS THE FILL SPOUT / BREATHER PORT ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2616162 MLS Number14233378CategoryValve Covers Last Updated3/10/2026 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Rebuilt Caterpillar 3406B Engine Block $4,500 USD Rebuilt 3406B Engine Block Quantity2ConditionRemanufacturedPart Number8N9265Stock Number501-12273 MLS Number13047017CategoryEngine Blocks / Cylinder Blocks Last Updated3/7/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Used Caterpillar 3406B Outer Front Cover $299.99 USD Used 3406B Outer Front Cover, Type: Outer Front Cover Quantity2ConditionUsedPart Number7C4449Stock Number507-17319 MLS Number14220655CategoryEngine Covers Last Updated3/3/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1986 Caterpillar 3406B Front Engine Cover for a CAT 3406B-ATAAC ABOVE 400 HP $40 USD FRONT TIMING COVER CAT 3406B 2W3939 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2234844 MLS Number14214683CategoryFront Engine Covers Last Updated3/2/2026 LocationAntioch, TN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1986 Caterpillar 3406B Engine Oil Pickup Tube for a CAT 3406B-ATAAC ABOVE 400 HP $100 USD TURBO DRAIN BACK TUBE ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2232015 MLS Number14214675CategoryEngine Oil Pickup Tubes Last Updated3/2/2026 LocationAntioch, TN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1986 Caterpillar 3406B Valve Cover for a CAT 3406B-ATAAC ABOVE 400 HP $100 USD VALVE COVER 7C9668 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2232013 MLS Number14214674CategoryValve Covers Last Updated3/2/2026 LocationAntioch, TN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1986 Caterpillar 3406B Valve Cover for a CAT 3406B-ATAAC ABOVE 400 HP $100 USD VALVE COVER 7E0331 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2232012 MLS Number14214673CategoryValve Covers Last Updated3/2/2026 LocationAntioch, TN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info