Specifications
| Fuel | Gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 15 kW |
| Standby kVA | 18 |
| Oil capacity | 2.36 L |
Maintenance & consumables
for the GT-990| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 0C8127 | Amazon eBay $28.00 PartsGeek | |||
| Fuel filter | — | find | |||
| Oil filter | — | find | |||
| Belt | — | find | |||
| Coolant | — | ||||
| Oil | — |
Common questions
What is the power rating of the Generac Guardian 15 kW?
The Generac Guardian 15 kW is rated 15 kW standby (18.75 kVA).
What engine does the Generac Guardian 15 kW use?
The Generac Guardian 15 kW is powered by the GT-990 engine.
What fuel does the Generac Guardian 15 kW use?
The Generac Guardian 15 kW runs on Gasoline.
What is the oil capacity of the Generac Guardian 15 kW?
The None GT-990 engine in the Generac Guardian 15 kW has an oil capacity of 2.36 liters.
Parts
52| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 070185 | Oil Filter | 1 | Oil filter | Amazon eBay $19.97 PartsGeek |
| 070185F | Part # 070185F | Oil filter | Amazon eBay $14.99 PartsGeek | |
| 0C3008 | SEAL, 38 I.D. CRANKSHAFT | 1 | Seal | PartsGeek |
| 0C7065 | PANEL, ALTERNATOR DIVIDER | 1 | Alternator | PartsGeek |
| 0C7065A | PANEL, ALTERNATOR DIVIDER (7KW) | 1 | Alternator | PartsGeek |
| 0C8127 | Part # 0C8127 | 1 | Air filter | Amazon eBay $28.00 PartsGeek |
| 100-025 | Air cleaner cover | 1 | Air filter | PartsGeek |
| 100-030 | Fuel inlet hose | 1 | Hose | PartsGeek |
| 021533 | SET, PISTON RING 90MM | 2 | Service part / kit | PartsGeek |
| 098290 | Motor stepper assembly | 1 | Service part / kit | PartsGeek |
| 098941A | Governor connector housing | 1 | Service part / kit | PartsGeek |
| 098958A | Connector interface assembly | 1 | Service part / kit | PartsGeek |
| 0A7568 | Door weldment 1.5EPS | 2 | Service part / kit | PartsGeek |
| 0C2983 | SHAFT, GOVERNOR | 1 | Service part / kit | PartsGeek |
| 0C5372 | ASSEMBLY, BREATHER | 1 | Service part / kit | PartsGeek |
| 0C5729 | ASSEMBLY, CRANKCASE HOUSING WITH SLEEVE | 1 | Service part / kit | PartsGeek |
| 0C6140 | ASSEMBLY, ENCLOSURE BASE | 1 | Service part / kit | PartsGeek |
| 0C6735 | SUPPORT, ROOF FOLDING | 2 | Service part / kit | PartsGeek |
| 0C7061 | ENCLOSURE, FRONT | 1 | Service part / kit | PartsGeek |
| 0C7062 | ENCLOSURE, EXHAUST SIDE | 1 | Service part / kit | PartsGeek |
| 0C7062A | ENCLOSURE, EXHAUST SIDE (7KW) | 1 | Service part / kit | PartsGeek |
| 0C7063 | ENCLOSURE, SIDE & BACK | 1 | Service part / kit | PartsGeek |
| 0C7063A | ENCLOSURE, SIDE & BACK (7KW) | 1 | Service part / kit | PartsGeek |
| 0C7064 | ENCLOSURE, ROOF | 1 | Service part / kit | PartsGeek |
| 0C8101A | PANEL, MUFFLER BOX SIDE | 1 | Service part / kit | PartsGeek |
| 0C8101B | COVER, MUFFLER BOX | 1 | Service part / kit | PartsGeek |
| 0C8861 | PANEL, MUFFLER BOX SIDE (7KW) | 1 | Service part / kit | PartsGeek |
| 0C8862 | COVER, MUFFLER BOX (7KW) | 1 | Service part / kit | PartsGeek |
| 0D1901 | ASSEMBLY, ENCLOSURE BASE (7KW) | 1 | Service part / kit | PartsGeek |
| 0D4041 | ASSEMBLY, CAMSHAFT & GEAR | 1 | Service part / kit | PartsGeek |
| 0D4042 | ASSEMBLY, GOVERNOR GEAR | 1 | Service part / kit | PartsGeek |
| 0D8656 | Mounting base 1.5L standard & acoustic | 1 | Service part / kit | PartsGeek |
| 0D8657 | Radiator support 1.5L Mitsubishi | 1 | Service part / kit | PartsGeek |
| 0D8660 | Side brace 1.5L Mitsubishi | 2 | Service part / kit | PartsGeek |
| 0D8664 | Duct acoustic & standard compartment 1.5L | 1 | Service part / kit | PartsGeek |
| 0D8666 | Roof acoustic & standard compartment 1.5L | 1 | Service part / kit | PartsGeek |
| 0E1466 | PIN PISTON | 2 | Service part / kit | PartsGeek |
| 0E2985 | PISTON, HC | 2 | Service part / kit | PartsGeek |
| 0E3372B | SEPARATOR, OIL BREATHER | 3 | Service part / kit | PartsGeek |
| 0E7886A | CIRCUIT BREAKER 30A X 2P 240V (7KW) | 1 | Service part / kit | PartsGeek |
| 0E7886C | CIRCUIT BREAKER 40A X 2P 240V (8.5KW) | 1 | Service part / kit | PartsGeek |
| 0E7886D | CIRCUIT BREAKER 45A X 2P 240V (11KW) | 1 | Service part / kit | PartsGeek |
| 0E7886E | CIRCUIT BREAKER 50A X 2P 240V (12KW) | 1 | Service part / kit | PartsGeek |
| 0E7886G | CIRCUIT BREAKER 70A X 2P 240V (15KW) | 1 | Service part / kit | PartsGeek |
| 0E7889 | 12 CIRCUIT LOAD CENTER 125A/240V | 1 | Service part / kit | PartsGeek |
| 0E7889A | 8 CIRCUIT LOAD CENTER 125A/240V | 1 | Service part / kit | PartsGeek |
| A07360 | Service Valve | Service part / kit | PartsGeek | |
| A07361 | Manifold Gage | Service part / kit | PartsGeek | |
| A07371 | Hole Diameter Chart | Service part / kit | PartsGeek | |
| A12434 | Remote Control (Size 09-24) | Service part / kit | PartsGeek | |
| A95424 | Deep Vacuum Graph | Service part / kit | PartsGeek | |
| A95425 | Triple Evacuation Method | Service part / kit | PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Parts manual — 4389-2 (Generac)Parts manual — E1151Rev0 Sec8a (Generac)Parts manual — E1151Rev0 Sec8c (Generac)