View 4 Photos View 0 Videos Used Caterpillar 3406B $27 USD Used 3406B, Type: Aftercooler Apapter ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406BPart Number4W4193Stock Number545-10122 MLS Number10509074CategoryIntercoolers 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 Used Caterpillar 3406B Adapters $27 USD Used 3406B Adapters, Type: Aftercooler Apapter ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406BPart Number4W4193Stock Number545-10121 MLS Number10509073CategoryIntercoolers 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 Used Caterpillar 3406 Fan Clutch Support $162 USD Used 3406 Fan Clutch Support, Type: Fan Clutch Bracket, Material: Steel Quantity3ConditionUsedPart NumberF7HT-8B624-GAStock Number502-13326 MLS Number8935703CategoryEngine Brackets Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Used Caterpillar 3406B Engine Gear $49.99 USD Used 3406B Engine Gear, Type: Water Pump Gear ConditionUsedPart Number4N0350Stock Number513-10100 MLS Number8918380CategoryEngine 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 Caterpillar 3406B Valve Cover $50 USD Good used, cleaned and inspected Caterpillar 3406B valve cover. Part number: 4N4536, 7E-0330 Quantity2ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406BPart Number4N4536Stock NumberRyd 4N4536 MLS Number11452864CategoryValve Covers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406B Valve Cover $50 USD Good used, cleaned and inspected Caterpillar 3406B Valve Cover. Part Number: 7C-9667, 7E-0330 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3406BPart Number7C9667Stock NumberRyd 7C9667 MLS Number10770403CategoryValve Covers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Used Caterpillar 3406B/C After Cooler Elbow $38 USD Used 3406B/C After Cooler Elbow, Type: After Cooler Elbow ConditionUsedPart Number4N7807Stock Number545-10011 MLS Number8950544CategoryAftercoolers Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 26 Photos View 0 Videos Caterpillar 3406B Engine Brake Front Housing Part # 17770, Rear Housing Part # 17771 $2,950 USD (GOOD USED / SOLD AS SET) Caterpillar 3406B Engine Brakes 346D W/Housing Bolts For Sale, Model: 346D, Housing P/N Front: 17770 Rear: 17771, Rear HSG 346D 12VDC, Serial # C178186, Front HSG... ConditionUsedStock Number9867 MLS Number14050227CategoryEngine Brakes / Jake Brakes Last Updated12/18/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406B Front Engine Cover $375 USD Caterpillar 3406B Aluminum Front Cover, P/N 7C4449 ConditionUsedStock Number4540146 MLS Number13895222CategoryFront Engine Covers Last Updated10/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406B Front Engine Cover $375 USD Caterpillar 3406B Aluminum Front Cover, P/N 7C4449 ConditionUsedStock Number4540144 MLS Number13895220CategoryFront Engine Covers Last Updated10/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar 3406B Front Engine Cover $375 USD Caterpillar 3406B/C Aluminum Front Cover, P/N 7W3494 ConditionUsedStock Number4540142 MLS Number13895218CategoryFront Engine Covers Last Updated10/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 32 Photos View 0 Videos Caterpillar 3406B Engine Brake Front Housing Part # 17770, Rear Housing Part # 17771 Contact for price (GOOD USED) Caterpillar 3406B Engine Brakes 346D W/Housing Bolts For Sale, Model: 346D, Housing P/N Front: 17770 Rear: 17771, Rear HSG 346D 12VDC C192972, WF5, 3H04, 005610K, Front HSG 346D... ConditionUsedPart Number17770, 17771Stock Number8768 MLS Number13435414CategoryEngine Brakes / Jake Brakes Last Updated10/10/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Front Engine Cover for a CAT 3406B-ATAAC ABOVE 400 HP $275 USD OUTER COVER ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2456663 MLS Number13862157CategoryFront Engine Covers Last Updated10/2/2025 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Caterpillar 3406B Crankshaft for a CAT 3406B-ATAAC ABOVE 400 HP $1,350 USD NEEDS POLISHED ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2456558 MLS Number13862154CategoryCrankshafts Last Updated10/2/2025 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Caterpillar 3406B Engine Block / Cylinder Block for a CAT 3406B-ATAAC ABOVE 400 HP $1,250 USD 4MG12902, 9Y2534 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2456546 MLS Number13862151CategoryEngine Blocks / Cylinder Blocks Last Updated10/2/2025 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406B Engine Oil Pan Contact for price used cat oil pan 3406B, C/N 7C1938 applications: 3406B, Core Charge: 0.00 ConditionUsedPart Number7C1938Stock Number176237 MLS Number13843511CategoryEngine Oil Pans Last Updated12/26/2025 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Valve Cover for a CAT 3406B $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 Updated9/9/2025 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 $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 Updated9/9/2025 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 42 Photos View 0 Videos Caterpillar 3406B Engine Brake Front Housing Part # 17770, Rear Housing Part # 17771 Contact for price (GOOD USED / SOLD AS SET) Caterpillar 3406B Engine Brakes 346D W/Housing Bolts For Sale, Model: 346D, Housing P/N Front: 17770 Rear: 17771, Rear HSG 346D 12VDC C205308, Front HSG 346D 12VDC... ConditionUsedPart Number17770, 17771Stock Number8843 MLS Number13421666CategoryEngine Brakes / Jake Brakes Last Updated9/8/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Engine Part $2,995 USD Complete caterpillar 3406B engine with transmission ConditionUsed MLS Number13771745CategoryEngine Parts Last Updated8/21/2025 LocationFranklin, NJ, US Sold ByBig Iron Equipment LLC (833) 909-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Used Caterpillar 3406B Oil Cooler $100 USD Used 3406B Oil Cooler, Type: Oil Cooler ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406BPart Number4N6972Stock Number506-13231 MLS Number13740059CategoryEngine Oil Coolers 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 1991 Used Caterpillar 3406B Alternator Bracket Spacer $20 USD Used 3406B Alternator Bracket Spacer, Type: Alternator Bracket, Material: Steel ConditionUsedFits To Make(s)CaterpillarFits To Model(s)3406BWill Fit Year(s)1991Part Number9Y-1603Stock Number502-18512 MLS Number13656039CategoryEngine Brackets 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 Caterpillar 3406B Front Engine Cover $585 USD USED 7W3494 3406B FRONT COVER P/N: 7W3494 ConditionUsedStock Number64113 MLS Number12823321CategoryFront Engine Covers Last Updated6/14/2025 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406B Front Engine Cover for a CAT 3406B-ATAAC ABOVE 400 HP $400 USD INNER TIMING PLATE ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2456601 MLS Number13236421CategoryFront Engine Covers Last Updated6/2/2025 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Engine Oil Pickup Tube for a CAT 3406B-ATAAC ABOVE 400 HP $250 USD CAT 3406 B REAR SUMP SUCTION TUBE ASSEMBLY FOR A RETARDER, BOX 16 ConditionUsedFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock Number2017917 MLS Number12274173CategoryEngine Oil Pickup Tubes Last Updated6/3/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info