The Caterpillar 3406C engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 1W7411 | CLEANER GP-AIR(D)(HEAVY DUTY) | air_filter |
| 8N9759 | MOUNTING GP - AIR CLEANER | air_filter |
| 50-amp | Alternator | alternator |
| 6N9294 | CHARGING ALTERNATOR 24V 35 AMP | alternator |
| 1W4878 | BELT GUARD - ALTERNATOR PULLEY | belt |
| W200-1002 | Buffer Seal | buffer_seal |
| i01329129 | Coolant | coolant_filter |
| i01359892 | Coolant | coolant_filter |
| W200-1001 | Cylinder Rod Seal - Wiper Seal | cylinder_rod_seal |
| 1R-0749 | High Efficiency Fuel Filter | fuel_filter |
| 1R-0750 | High Efficiency Fuel Filter | fuel_filter |
| 1R-0751 | High Efficiency Fuel Filter | fuel_filter |
| 1R-0755 | High Efficiency Fuel Filter | fuel_filter |
| 1R-0756 | High Efficiency Fuel Filter | fuel_filter |
| 1R-0766 | High Efficiency Fuel Filter | fuel_filter |
| 1282922CAT | Water Pump Gasket Set - 0.4 lbs/ 0.18 kgs, 5" Length, 27mm Width, 27mm Depth, 11 Application: 3400 | gasket |
| 1555619CAT | Flywheel Housing Gasket - 3406 | gasket |
| 1609874CAT | Single Cylinder Liner Gasket Set - 3406/ 3412 0.1 lbs/ 0.04 kgs | gasket |
| 2161252CAT | Single Cylinder Head Gasket Set - 3406/ 3406E | gasket |
| 3N4861 | GASKET | gasket |
| DM-3E3322 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-3E7474 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-3E7485 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-3E7495 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-6I3066 | GASKET, CYL. HD. 3406 | gasket |
| DM-8C4452 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-8C6538 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-8C6772 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-8C8490 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| DM-8C8764 | GASKET SET, FUEL SYSTEM 3406 | gasket |
| M-1282922 | Water Pump Mounting Gasket | gasket |
| M-1609874 | Gasket Set - Cylinder Liner Packing | gasket |
| M-1P436 | 1 Fuel Priming Pump Gasket | gasket |
| M-3639022 | Gasket Set - Front Structure | gasket |
| M-4N1151 | Oil Pan Gasket | gasket |
| M-4N1151-6 | Oil Pan Gasket | gasket |
| M-4N1156 | Gasket | gasket |
| M-4N7253 | Nozzle Adapter Gasket | gasket |
| M-5P5678-6 | Valve Cover Gasket | gasket |
| M-5P5678-9 | Valve Cover Gasket | gasket |
| M-7C307 | Gasket | gasket |
| MCB3406031 | Overhaul Gasket Set | gasket |
| MCB3406032 | In-Chassis Gasket Set | gasket |
| MCB3406033 | Cylinder Head Set | gasket |
| i01206414 | Standard Torque for Constant Torque Hose Clamps | hose |
| i01206505 | Standard Torque for Worm Drive Band Hose Clamps | hose |
| W200-1000 | Hydraulic Cylinder Reseal Service Kit | hydraulic_filter |
| 3N4859 | IMPELLER | impeller |
| M-1007551 | Fuel Nozzle - 7000 Series | injector |
| M-1007556 | Fuel Nozzle - 7000 Series | injector |
| M-1007557 | Fuel Nozzle - 7000 Series | injector |
| M-1007558 | Fuel Nozzle - 7000 Series | injector |
| M-1279792 | Fuel Nozzle - 7000 Series | injector |
| M-1279793 | Fuel Nozzle - 7000 Series | injector |
| M-1311243 | Fuel Nozzle - 7000 Series | injector |
| M-4W7017 | Fuel Nozzle - 7000 Series | injector |
| M-4W7018 | Fuel Nozzle - 7000 Series | injector |
| M-4W7022 | Fuel Nozzle - 7000 Series | injector |
| M-7W7026 | Fuel Nozzle - 7000 Series | injector |
| M-7W7032 | Fuel Nozzle - 7000 Series | injector |
| M-7W7037 | Fuel Nozzle - 7000 Series | injector |
| M-7W7040 | Fuel Nozzle - 7000 Series | injector |
| M-7W7041 | Fuel Nozzle - 7000 Series | injector |
| M-7W7042 | Fuel Nozzle - 7000 Series | injector |
| M-7W7043 | Fuel Nozzle - 7000 Series | injector |
| M-7W7044 | Fuel Nozzle - 7000 Series | injector |
| M-9L6884 | Fuel Nozzle - Capsule | injector |
| M-9N3246 | Fuel Nozzle - Capsule | injector |
| 0P8708 | POWER PLUS RENTL FINANCE PRGM | other_service |
| 0P9484 | 0P948401JUL98PRC PROPGM641-6 | other_service |
| 1031956 | MOUNTING GP - CONTACTOR | other_service |
| 1036101 | CONTROL GP -A | other_service |
| 1037284 | MOUNTING GP - BREAKER | other_service |
| 1047942 | FASTENER GP | other_service |
| 1048615 | BASE GP - FUEL TANK & | other_service |
| 1059710 | LINES GP - OIL DRAIN | other_service |
| 1069931 | LINES GP - DRAIN | other_service |
| 1080723 | HARNESS GP - WIRING | other_service |
| 1095264 | PANEL AR - CONTROL | other_service |
| 1114219 | MOUNTING GP - CONTROL PANEL | other_service |
| 1114421 | ACTUATOR AS - 524 GOVERNOR | other_service |
| 1117534 | MOUNTING GP - ACTUATOR | other_service |
| 117-0456 | Crankshaft Bare | other_service |
| 1172855 | TRANSFER GP | other_service |
| 1309415 | 3406 DITA/XQ350 RENTAL PKG | other_service |
| 1315455 | CONTROL AS | other_service |
| 1315544 | RADIATOR GP | other_service |
| 1N3876 | 3406 DITA ENGINE AR - BASIC | other_service |
| 249-0433 | Oxidation Catalyst Assembly - Round | other_service |
| 256-0326 | Oxidation Catalyst Assembly - Round | other_service |
| 2T8141 | 387 KW @ 1800 RPM (519 BHP) | other_service |
| 2W8198 | SOLENOID SHUTOFF - ETR 24 V | other_service |
| 3N4858 | SHAFT | other_service |
| 3N4860 | CAM LINER | other_service |
| 3N4862 | WEAR PLATE | other_service |
| 4N3093 | BLOWER FAN | other_service |
| 4N6540 | MOUNTING GP-HEATER | other_service |
| 4N9778 | UPPER RADIATOR CONNECTIONS | other_service |
| 4P3359 | COUPLING | other_service |
| 4P6247 | PICK UP GP - MAGNETIC | other_service |
| 4P7610 | PICK UP GP - MAGNETIC | other_service |
| 4P9687 | SR4 GENERATOR AR-POWER (60HZ) | other_service |
| 4W1727 | COVER GP | other_service |
| 4W5828 | AIR INLET HOOD | other_service |
| 5P2506 | LITERATURE GP - ENGLISH | other_service |
| 5P2586 | OIL - BULK - ONE LITER | other_service |
| 6I0371 | ENCLOSURE GP | other_service |
| 6L2927 | DRY ELBOW | other_service |
| 6N8878 | FUEL PRESSURE GAUGE | other_service |
| 7E5996 | Connecting rod | other_service |
| 7E6247 | JACKET WATER HEATER | other_service |
| 7N8840 | FAN DRIVE 0.800 RATIO | other_service |
| 7W1340 | MOUNTING GP - ALTERNATOR | other_service |
| 8N1726 | Connecting rod | other_service |
| 9G4231 | BATTERY - 12 VOLT | other_service |
| 9N3368 | Coolant Conditioner Element—If Equipped | other_service |
| BER0005 | BEARING | other_service |
| CAMSET0018 | CAM LINER | other_service |
| DZ111166 | (3402) (3404) (3408) (3409) (974G) | other_service |
| JSK002601 | SERVICE KIT | other_service |
| M-2485513 | 1 Regulator - 180ºC | other_service |
| P-36 | Engine Brake Housing Assembly Group Front | other_service |
| PEHP3036 | Cat Reman Short and Long Blocks | other_service |
| PEHP3036-01 | Cat Reman Short and Long Blocks | other_service |
| SHA0046 | SHAFT | other_service |
| WER0010 | WEAR PLATE | other_service |
| g00104545 | Illustration 4 | other_service |
| g00107406 | Illustration 1: Safety message for the clutch located on the clutch housing (if equipped). | other_service |
| g00107407 | Illustration 2: Safety message for rotating gears that can cause entanglement of the fingers and hands. | other_service |
| g00291056 | Illustration 20 (Electronic Overspeed Switch with Cranking Termination) | other_service |
| g00293335 | Illustration 19 (Magnetic pickup, Flywheel housing) | other_service |
| g00367054 | Engine Lifting | other_service |
| g00455028 | Improper jumper cable connections can cause an explosion resulting in personal injury. | other_service |
| g00524010 | Typical location of the batteries in the battery compartment | other_service |
| g00524148 | Lift eyes or tank can fail when lifting tank containing fluids resulting in possible personal injury. Drain tank of all fluids before lifting. | other_service |
| g00687600 | Always use a board or cardboard when you check for a leak. Leaking fluid that is under pressure can penetrate body tissue. Fluid penetration can cause serious injury and possible death. A pin hole leak can cause severe injury. If fluid is injected into your skin, you must get treatment immediately. Seek treatment from a doctor that is familiar with this type of injury. | other_service |
| g00702020 | Wear a hard hat, protective glasses, and other protective equipment, as required. | other_service |
| g00702022 | Caterpillar equipment and replacement parts that are shipped from Caterpillar are asbestos free. | other_service |
| g00704000 | Illustration 8 | other_service |
| g00706404 | Illustration 7 | other_service |
| g00722253 | Illustration 12 | other_service |
| i00061495 | Information Plate | other_service |
| i00062369 | Engine Stopping | other_service |
| i00610276 | Reference Numbers | other_service |
| i00621349 | Standard Torque for Inch Fasteners | other_service |
| i00621350 | Standard Torque for Metric Fasteners | other_service |
| i00777190 | Drain tank of all fluids before lifting. | other_service |
| i00826199 | Engine Identification | other_service |
| i01072501 | Before Starting Engine | other_service |
| i01103904 | Engine Starting | other_service |
| i01193826 | Emissions Certification Film | other_service |
| i01359622 | Mounting and Dismounting | other_service |
| i01359666 | Crushing Prevention and Cutting Prevention | other_service |
| i01359759 | General Hazard Information | other_service |
| i01368857 | Safety Signs and Labels | other_service |
| i01369271 | Model View Illustrations | other_service |
| i01369284 | Engine Description | other_service |
| i01369380 | Serial Number Plate | other_service |
| i01369505 | Gauges and Indicators | other_service |
| i01369587 | Engine Features and Controls | other_service |
| 1313533 | PUMP GP - GOVERNOR | pump |
| 5N4852 | PUMP ASSY | pump |
| JPR-CT3406 | PUMP ASSY | pump |
| M-1052508 | 1 Fuel Priming Pump | pump |
| M-1354926 | Water Pump | pump |
| M-1375541 | Fuel Priming Pump | pump |
| M-1W1700 | Fuel Transfer Pump | pump |
| M-4N733 | Oil Pump | pump |
| 3N4863 | OIL SEAL | seal |
| 3N5632 | M-SEAL | seal |
| M-1090077 | Seal O-Ring | seal |
| M-1425867 | Front Crankshaft Seal | seal |
| M-1425868 | Rear Crankshaft Seal | seal |
| M-1632478 | 6 6 Valve Stem Seal - Exhaust | seal |
| M-2S2251 | Nozzle Adapter Seal Ring | seal |
| M-3S9643 | Regulator Seal | seal |
| M-5H7153 | Nozzle Adapter Seal Ring | seal |
| M-5S2106 | Fan Hub Seal | seal |
| M-7F2122 | Fan Hub O-Ring Seal | seal |
| M-8M5249 | Nozzle Adapter Seal Ring | seal |
| MCBKT7000 | Nozzle Seal Kit - 7000 Series | seal |
| MCSSET0007 | M-SEAL(WITH SNAP-RING) | seal |
| ESD5526 | Speed Controller | speed_controller |
| 4N1062 | ELECTRIC STARTING MOTOR LH 24V | starter |
| M-1209453 | Regulator - 170° | thermostat |
| M-2477133 | Regulator - 190° | thermostat |
| W200-1003 | U-cup Seal | u_cup_seal |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.