The Generac 3.0GN is a 3 L -6-cylinder naturally aspirated engine rated at 1800 rpm. It powers generator sets from Generac, including the Home Standby - 30. It holds 4.73 L (1.2 gal) of oil and 11.36 L (3.0 gal) of coolant.
Also known as: GENERAC 3.0GN
Part of the Generac 3.0L engine family — 3 variants share parts & fitment.
| Oil capacity | 4.73 L |
|---|---|
| Coolant capacity | 11.36 L |
| Displacement | 3.0 L |
| Cylinders | -6 |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
| Part # | Description | Category |
|---|---|---|
| 0D3488E | BELT SERPENTINE 71.04" | Belt |
| 048665 | GASKET THERMOSTAT | Gasket |
| 0F7695 | EGR GASKET | Gasket |
| 0F9224 | GASKET INTAKE MANIFOLD UP G3 | Gasket |
| 0F9563 | GASKET IDLE AIR CONTRL ACT CVR | Gasket |
| 0F9564 | GASKET INTAKE ADAPTER | Gasket |
| 0G0100 | GASKET EXHAUST | Gasket |
| 0G4887 | GASKET LOWER INTAKE BOTTOM | Gasket |
| 0G4888 | GASKET LOWER INTAKE TOP | Gasket |
| 050968 | HOSE COOL 3/4 ID 20R3 (22" LG) | Hose |
| 069860C | HOSE OIL DRAIN ASSY 21" | Hose |
| 0F9232 | HOSE UPPR RAD REAR | Hose |
| 0G0607 | ASSEMBLY HOSE PCV VALVE | Hose |
| 0G3791A | HOSE WATER PUMP 3.0L | Hose |
| 0D5419 | OIL FILTER, FORD V-10 ENGINE | Oil filter |
| 0G3638 | ADAPTER OIL FILTER 3.0L | Oil filter |
| 0F9228 | COIL IGNITION | Service part / kit |
| 0G4431 | RESTRICTOR PCV | Service part / kit |
| 0G3643 | WATER PUMP 3.0L | Pump |
| 0G3644 | SENSOR CRANKSHAFT SPEED 3.0L | Sensor |
| 0D34540186 | SPARK PLUG (PLATINUM) .044 GAP | Spark plug |
| 0G3245 | SPARK PLUG WIRE SET | Spark plug |
| 075885 | THERMOSTAT 195 DEG | Thermostat |
| 0A2711A | ADAPTER THERMOSTAT | Thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Generac 3.0GN engine has an oil capacity of 4.73 liters.
The Generac 3.0GN has a displacement of 3.0 liters with -6 cylinders.
The Generac 3.0GN powers 1 generator set(s), including Generac Home Standby - 30.