Service parts for the GP18000EFI
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredOil system
1 requiredIgnition
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 18 kW |
| Prime power | 18 kW |
| Controller | EFI |
| Oil capacity | 2.1 L |
| Voltage options | 120/240 V |
| Phase | single |
| Rated current | 75 A |
| Circuit breaker | 50 A |
| Battery group | U1 |
| Dimensions (L×W×H) | 1485×785×928 mm |
| Dry weight | 199 kg |
| Fuel tank | 54.0 L |
| Tank runtime | 9 hr |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 014001 | 500 hr | Amazon eBay | ||
| Fuel filter | — | 200 hr | |||
| Oil filter | 014585 | 500 hr | Amazon eBay | ||
| Battery | — | 8 hr | |||
| Belt | — | ||||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | SAE 30, 10W-30, Synthetic 5W-30 | 2.1 L | — | 200 hr | |
| Spark plug | A0000244500 | 1000 hr | Amazon eBay |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What size generator is the Generac GP18000EFI?
The Generac GP18000EFI is rated 18 kW standby.
What kind of fuel does the Generac GP18000EFI run on?
The Generac GP18000EFI runs on gasoline.
What is the oil capacity of the Generac GP18000EFI?
The Generac GP18000EFI has an engine oil capacity of 2.1 liters (2.2 US quarts), per the manufacturer specification sheet.
How much does the Generac GP18000EFI weigh?
The Generac GP18000EFI has a dry weight of 199 kg (439 lb).
What size fuel tank does the Generac GP18000EFI have?
The Generac GP18000EFI has a 54 liter (14 US gallon) fuel tank, giving about 9 hours of runtime.
What voltage does the Generac GP18000EFI produce?
The Generac GP18000EFI is offered in 120/240 V, single-phase.
What oil filter fits the Generac GP18000EFI?
The Generac GP18000EFI uses oil filter part number 014585.
Which air filter part number does the Generac GP18000EFI take?
The Generac GP18000EFI uses air filter part number 014001.
Troubleshooting
6Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| 6-1 | MIL is brightly illuminated and flashing. | See Trouble-shooting. |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine will not start; or starts and runs rough. | 1. Dirty air filter. 2. Out of fuel. 3. Stale fuel. 4. Spark plug wire not connected to spark plug. 5. Bad spark plug. 6. Water in fuel. 7. Low oil level. 8. Excessive rich fuel mixture. 9. Excessive lean fuel mixture. 10. Intake valve stuck open or closed. 11. Engine lost compression. 12. Engine fault code present. | 1. Clean or replace air filter. 2. Fill fuel tank. 3. Drain fuel tank and fill with fresh fuel. 4. Connect wire to spark plug. 5. Replace spark plug. 6. Drain fuel tank; fill with fresh fuel. 7. Fill crankcase to correct level. 8. Contact IASD. 9. Contact IASD. 10.Contact IASD. 11. Contact IASD. 12.See Fault Code Example or contact IASD. |
| Engine shuts down during operation. | 1. Out of fuel. 2. Low oil level. 3. Engine fault code present. | 1. Fill fuel tank. 2. Fill crankcase to correct level. 3. See Fault Code Example or contact IASD. |
| Engine lacks power. | 1. Load is too high. 2. Dirty air filter. 3. Engine needs to be serviced. | 1. Reduce load (see Know Generator Limits). 2. Clean or replace air filter. 3. Contact IASD. |
| No battery charge DC output. | 1. Battery posts corroded. 2. Bad battery cable. 3. Defective battery. 4. Bad receptacle. | 1. Clean battery posts. 2. Replace cable. 3. Check battery condition. Replace if defective. 4. Contact IASD. |
| MIL codes are flashing. | 1. Multiple. | See Fault Code Example or contact IASD. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Generac GP18000EFI troubleshooting guide (16 entries) →
Parts
13model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 013788 | Air Filter Assembly | 1 | Air filter | Amazon eBay |
| 014001 | Filtre à air | 1 | Air filter | Amazon eBay |
| 011360 | Insigne d’instruction | 1 | Service part / kit | Amazon eBay |
| 014065 | COsense® Sistema de detección y corte de monóxido de carbono (si está equipado) | 1 | Service part / kit | Amazon eBay |
| 014585 | Figura 2-16. Agregue combustible recomendado | 1 | Service part / kit | Amazon eBay |
| 0H0116B | Calcomanía de advertencia de Escape caliente | 1 | Service part / kit | Amazon eBay |
| 0H4635C | PGMA Safety Label | Service part / kit | Amazon eBay | |
| 0H8250B | Calcomanía de advertencia de CO | Service part / kit | Amazon eBay | |
| 0H8251B | CO Warning Label | Service part / kit | Amazon eBay | |
| 10000003425 | Calcomanía del nivel de llenado de combustible | 1 | Service part / kit | Amazon eBay |
| 10000033027 | Etiqueta de acción del usuario, dirección de escape | Service part / kit | Amazon eBay | |
| A0000244500 | Mod. A | 1 | Service part / kit | Amazon eBay |
| A0001642218 | Tecnología COsense® | Service part / kit | Amazon eBay |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
This page was generated from the 5 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.