View 2 Photos View 0 Videos New Caterpillar Injector Cup O-Ring for 3406E/C15/C16/C18, Part # 166-2903 Recently Updated $2.99 USD INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 5., Serial#: 166-2903, Core Charge: 0, Casting#: 166-2903 ConditionNewPart Number166-2903 321268Stock Number321268 MLS Number14545331CategoryEngine Miscellaneous Parts Last Updated9/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Caterpillar Injector Cup O-Ring for 3406E/C15/C16/C18, Part # 166-2904 321269 Recently Updated $2.99 USD INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 5., Serial#: 166-2904, Core Charge: 0, Casting#: 9X7430 ConditionNewPart Number166-2904 321269Stock Number321269 MLS Number14545330CategoryEngine Miscellaneous Parts Last Updated9/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar Injector Cup O-Ring for 3406E/C15/C16/C18, Part # 9X7430 Recently Updated $2.99 USD INJECTOR CUP O RING. FITS MULTIPLE CAT 3406E C15 C16 C18 MODELS. PRICE PER O-RING. PICTURE REFERENCE # 7., Serial#: 321266, Core Charge: 0, Casting#: 9X7430 ConditionNewPart Number9X7430 321266Stock Number321266 MLS Number14545329CategoryEngine Miscellaneous Parts Last Updated9/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos New Aftermarket Caterpillar 3406E Oil Pan Kit Newly Listed $859 USD New Aftermarket 3406E Oil Pan Kit, Material: Aluminum Quantity3ConditionUsedPart Number7C3236Stock Number520-16960 MLS Number14611897CategoryEngine Oil Pans Last Updated9/18/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406A Cylinder Head Recently Updated $650 USD CORE, Serial#: 1W1506 ConditionUsedPart Number1W1506,Stock Number76A1E304833 MLS Number11703140CategoryCylinder Heads Last Updated9/17/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 1994 Rebuilt Caterpillar 3406E Cylinder Head Newly Listed $3,450 USD Rebuilt 3406E Cylinder Head ConditionRemanufacturedFits To Make(s)CaterpillarFits To Model(s)3406EWill Fit Year(s)1994Part Number4P1599Stock Number504-13416 MLS Number14603271CategoryCylinder Heads Last Updated9/15/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Valve Cover 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 ConditionUsedStock Number4N-4536 MLS Number13801114CategoryValve Covers Last Updated9/15/2026 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 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. ConditionUsedStock Number4N-4537 MLS Number13801115CategoryValve Covers Last Updated9/15/2026 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406E Valve Cover Recently Updated $80 USD CAT 3406E Cover-Valve Mechanism, P/N 102-8633 This part is located at our Scranton, PA facility. ConditionUsedStock Number102-8633-2 MLS Number13801117CategoryValve Covers Last Updated9/15/2026 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406E Valve Cover Recently Updated $80 USD CAT 3406E Cover-Valve Mechanism w/o vent hole P/N 102-8633 This part is located at our Scranton, PA facility. ConditionUsedStock Number102-8633-3 MLS Number13801118CategoryValve Covers Last Updated9/15/2026 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 3406E Valve Cover Recently Updated $80 USD CAT 3406E Cover-Valve Mechanism w/o vent hole P/N 102-8633 This part is located at our Scranton, PA facility. ConditionUsedStock Number102-8633-4 MLS Number13801120CategoryValve Covers Last Updated9/15/2026 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3406E Valve Cover Recently Updated $50 USD CAT 3406E Cover-Valve Mechanism, Damaged, has a hole P/N 102-8633 This part is located at our Scranton, PA facility. ConditionUsedStock Number102-8633 MLS Number13801116CategoryValve Covers Last Updated9/15/2026 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1987 Caterpillar 3406B Turbocharger / Supercharger for a Kenworth T800 $425 USD 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 Updated9/11/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Caterpillar 3406ABC Rod Bearing Standard Grooved, Part # 9Y9497G $14.95 USD NEW ROD BEARING. FITS MANY 3406ABC MODELS. STANDARD. GROOVED STYLE. REPLACES CAT 9Y9497G, Serial#: 9Y9497G, Core Charge: 0, Casting#: 9Y9497G ConditionNewPart Number9Y9497GStock Number9Y9497G MLS Number14598626CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Caterpillar 3406 Rod Bearing Oversized +.025 Grooved, Part # 4W5702G $19.99 USD NEW ROD BEARING. FITS MANY 3406ABC MODELS. OVERSIZED +.025. GROOVED STYLE. REPLACES CAT 4W5702G, Serial#: 4W5702G, Core Charge: 0, Casting#: 4W5702G ConditionNewPart Number4W5702GStock Number4W5702G MLS Number14598623CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Surplus Mahle +0.010 Oversize Bearing for Caterpillar 3406A/B/C $14.95 USD SURPLUS MAHLE BEARING. FITS MANY 3406ABC MODELS. OVERSIZED +.010. REPLACES CAT 1W7524 6N3908 6N7436 8N5426 9N6321 9Y9497 328-5574 217-0586, Serial#: 1W7524 6N3908 6N7436 8N5426 9N6321... ConditionNewPart Number1W7524 6N3908 6N7436 8N5426 9N6321 9Y9497 328-5574 217-0586Stock NumberCB1262AL-10 MLS Number14598622CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos New Caterpillar 3406A/B/C Intake/Exhaust Valve Push Tube / Push Rod, Part # 379-0168 4N5609 4W5998 $21.43 USD NEW INTAKE OR EXHAUST VALVE PUSH TUBE / PUSH ROD. FITS MOST 3406 A BC MODELS. REPLACES CAT 379-0168 4N5609 4W5998, Serial#: 391833, Core Charge: 0, Casting#: 379-0168 4N5609 4W5998 ConditionNewPart Number379-0168 4N5609 4W5998 331833Stock Number391833 MLS Number14598621CategoryEngine Miscellaneous Parts Last Updated9/11/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos New Caterpillar 3406B & C Fuel Supply Pump, Replaces 380162 0R3008 1W1700 $216.07 USD NEW FUEL SUPPLY PUMP FOR CAT 3406B C FITS MANY APPLICATIONS. REPLACES 380162 0R3008 1W1700, Serial#: 380162, Core Charge: 0, Casting#: 380162 0R3008 1W1700 ConditionNewPart Number380162 0R3008 1W1700Stock Number380162 MLS Number14594570CategoryEngine Miscellaneous Parts Last Updated9/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos New Caterpillar 3406A/3406B/3406C Head Bolt Kit, Part # 340085 $249.17 USD NEW HEAD BOLT KIT FOR 3406 A B C ENGINES, REPLACES AND CONSISTS OF 12) 5F4899 20) 2H3750 20) 5H1504, Serial#: 340085, Core Charge: 0, Casting#: 340085 ConditionNewPart Number340085Stock Number340085 MLS Number14591918CategoryEngine Miscellaneous Parts Last Updated9/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos New Aftermarket Piston Wrist Pin for Caterpillar 3406 & C15, Part # 311004 168-7246 $24.95 USD NEW AFTERMARKET PISTON WRIST PIN. FITS MANY 3406 C15 APPLICATIONS. REPLACES CAT 1687246 524-5613 7E1749 223-1846, Serial#: 1687246, Core Charge: 0, Casting#: 1687246 311004 ConditionNewPart Number311004 168-7246Stock Number311004 MLS Number14591912CategoryEngine Miscellaneous Parts Last Updated9/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406B Cylinder Head $1,850 USD USED 3406B CYLINDER HEAD NOT CRACKED NEEDS TO BE RESURFACED CHECKED AND MAGNAFLEXED CASTING # 7W6NWP ConditionUsedStock Number58340 MLS Number12820615CategoryCylinder Heads Last Updated9/9/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Cylinder Head $1,850 USD USED CAT 3406B ENGINE CYLINDER HEAD CHECKED AND MAGNAFLUXED ConditionUsedStock Number65398 MLS Number12823840CategoryCylinder Heads Last Updated9/9/2026 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 $585 USD USED 7W3494 3406B FRONT COVER P/N: 7W3494 ConditionUsedStock Number64113 MLS Number12823321CategoryFront Engine Covers Last Updated9/9/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Caterpillar 3406B Engine Oil Pan $585 USD Used Caterpillar 3406B Engine Oil pan 4N0919, 7C1938, 1504637 ConditionUsedStock Number97860 MLS Number13235624CategoryEngine Oil Pans Last Updated9/10/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Intake Manifold $550 USD USED CAT 3406B INTAKE MANIFOLD WITH INTERNAL COOLER P/N:4N9007 ConditionUsedStock Number59498 MLS Number12821151CategoryIntake Manifolds Last Updated9/9/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info