Part of the Yanmar 3TNE78A engine family — 2 variants share parts & fitment.
| Displacement | 1.204 L |
|---|---|
| Cylinders | 3 |
| Aspiration | Diesel / 4-stroke |
| Rated speed | 1800 rpm |
| Gross power | 16 kW |
| Part # | Description | Category |
|---|---|---|
| 129619-12520 | Outer Element | air_filter |
| 119831-42290 | Drive Belt | belt |
| 6-1001 | Control panel | control_panel |
| 119810-55650 | Element | fuel_filter |
| 119813-12110 | Intake Manifold Gasket | gasket |
| 119813-13110 | Exhaust Manifold Gasket | gasket |
| 119818-01330 | Cylinder Head Gasket | gasket |
| 119865-11310 | Bonnet Gasket | gasket |
| 121000-13201 | Silencer Gasket | gasket |
| 124240-01883 | Gasket | gasket |
| 124465-44950 | Gasket | gasket |
| 129150-32020 | Pump Gasket | gasket |
| 129150-35041 | Gasket | gasket |
| 129150-35111 | Gasket | gasket |
| 129150-42020 | Cooling Water Pump Gasket | gasket |
| 129150-49811 | Gasket | gasket |
| 129150-77511 | Gasket | gasket |
| 129155-52020 | Gasket | gasket |
| 129795-49551 | Gasket | gasket |
| 23414-100000 | Gasket | gasket |
| 719989-92600 | Gasket Set | gasket |
| 977770-01212 | Liquid Gasket | gasket |
| 119820-44560 | Hose, Radiator Inlet | hose |
| 129619-12210 | Hose | hose |
| 171301-49010 | Hose, Radiator Inlet | hose |
| 171301-49020 | Hose, Radiator Outlet | hose |
| 41-01012 | 74" Hose 5/16" ID Push-On | hose |
| 119818-53000 | Nozzle Assembly | injector |
| 719800-53100 | Fuel Injector | injector |
| 24-07301 | Oil Filter | oil_filter |
| 22-40018 | Circuit Breaker 10 Amp | other_service |
| 22-42047 | Relay, SPDT 12 Volt 20/30 Amp | other_service |
| 119810-42001 | Coolant Pump | pump |
| 129001-32001 | Oil Pump Assembly | pump |
| 129100-52100 | Feed Pump | pump |
| 719989-51310 | Injection Pump | pump |
| 102103-55520 | O-Ring | seal |
| 104200-59170 | Sealing Washer | seal |
| 119810-01780 | Oil Seal | seal |
| 121850-51960 | O-Ring | seal |
| 124160-11340 | Valve Stem Seal | seal |
| 124950-11340 | Valve Stem Seal | seal |
| 129129-77350 | O-Ring | seal |
| 129150-42320 | O-Ring | seal |
| 129795-01800 | Oil Seal | seal |
| 15-01001 | Sealing Washer | seal |
| 22190-080002 | Seal Washer | seal |
| 22190-220002 | Seal Washer 22S | seal |
| 24311-000120 | O-Ring | seal |
| 24311-000160 | O-Ring | seal |
| 24311-000320 | O-Ring | seal |
| 24311-240100 | O-Ring | seal |
| 24341-000240 | O-Ring | seal |
| 24341-000280 | O-Ring | seal |
| 24341-000500 | O-Ring | seal |
| 719810-01650 | Rear Main Seal Assembly | seal |
| 119600-34800 | Oil Pressure Switch | sensor |
| 121250-44901 | Temperature Switch 110°C | sensor |
| 121460-39450 | Pressure Switch | sensor |
| 22-41016 | Pressure Sender 0 - 80 PSI Standard Ground | sensor |
| 22-45201 | Temperature Sender 250°F Standard Ground | sensor |
| 129155-49800 | Thermostat | thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
This engine powers 1 generator set(s) on Facts About Generators — same parts apply.
The Yanmar 3TNE78A engine powers 4 machine(s), including Caterpillar 924G, Caterpillar 924H, Caterpillar 924HZ, Caterpillar 928G.
The Yanmar 3TNE78A has a displacement of 1.204 liters.