Service parts for the P2500i Inverter
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredIgnition
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 2200 kW |
| Oil capacity | 0.35 L |
| Alternator | Permanent Magnet |
| Voltage options | 120 V |
| Phase | Single phase |
| Circuit breaker | 20 A |
| Max ambient | 40 °C |
| Fuel tank | 3.8 L |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air filter | A058U954 | Amazon eBay | ||
| Fuel filter | A076L998 | 500 hr | Amazon eBay | ||
| Oil filter | Oil Filter | F100-246 | Amazon eBay | ||
| Battery | — | 1000 hr | |||
| Belt | — | ||||
| Coolant | — | 500 hr | |||
| Oil | 0.35 L | — | 24 hr | ||
| Spark plug | A064D659 | 300 hr | Amazon eBay |
Common questions
What is the power rating of the Cummins/Onan P2500i Inverter?
The Cummins/Onan P2500i Inverter is rated 2200 kW standby.
Which alternator is fitted to the Cummins/Onan P2500i Inverter?
The Cummins/Onan P2500i Inverter uses a Permanent Magnet alternator.
What oil filter does the Cummins/Onan P2500i Inverter use?
The Cummins/Onan P2500i Inverter uses oil filter part number F100-246.
What fuel filter fits the Cummins/Onan P2500i Inverter?
The Cummins/Onan P2500i Inverter uses fuel filter part number A076L998.
What air filter fits the Cummins/Onan P2500i Inverter?
The Cummins/Onan P2500i Inverter uses air filter part number A058U954.
Parts
25| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 4.3.1 | AIR CLEANER ELEMENT | Air filter | Amazon eBay | |
| A058U948 | Spark Plug E6RTC | 1 | Spark plug | Amazon eBay |
| A058U954 | Air filter | 1 | Air filter | Amazon eBay |
| A064D486 | Air filter | 1 | Air filter | Amazon eBay |
| A064D501 | Spark arrestor | 1 | Spark arrestor | Amazon eBay |
| A064D659 | Spark Plug E6RTC | 1 | Spark plug | Amazon eBay |
| A064N124 | Fuel filter | 1 | Fuel filter | Amazon eBay |
| A076L998 | Fuel filter | 1 | Fuel filter | Amazon eBay |
| F100-245 | Air Filter | 1 | Air filter | Amazon eBay |
| F100-246 | Oil Filter | 1 | Oil filter | Amazon eBay |
| F100-247 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| F100-248 | Spark Plug | 1 | Spark plug | Amazon eBay |
| 1-800-CUMMINS | Service part / kit | Amazon eBay | ||
| 3.3.1 | START PULLER | Service part / kit | Amazon eBay | |
| 9.2.1 | ECO SWITCH | Service part / kit | SinoCMP $69.00 | |
| 9.2.10 | DC OUTLET | Service part / kit | buy | |
| 9.2.11 | DUST COVER | Service part / kit | buy | |
| 9.2.2 | WATERPROOF CAP | Service part / kit | buy | |
| 9.2.3 | PARALLEL PORTS | Service part / kit | buy | |
| 9.2.4 | WATERPROOF COVER | Service part / kit | buy | |
| 9.2.5 | USB | Service part / kit | buy | |
| 9.2.6 | USB PROTECTIVE COVER | Service part / kit | buy | |
| 9.2.7 | GROUNDING BOLT | Service part / kit | buy | |
| 9.2.8 | RESET BUTTON | Service part / kit | buy | |
| 9.2.9 | LED | Service part / kit | buy |
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
Operator's manual — onan-p2500i-inverter-portable-generator-manual-11-2022 (Cummins/Onan)Operator's manual — p2500i-owners-manual (Cummins/Onan)