Service parts for the YK4500
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredBelts
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 | 4 kW |
| Standby kVA | 4 |
| Oil capacity | 2.8 L |
| Voltage options | 12 V |
| Power factor | 1.0 |
| Battery voltage | 12 V |
| Coolant capacity | 2.8 L |
Engine
| Oil capacity | 2.8 L |
|---|---|
| Coolant capacity | 2.8 L |
| Aspiration | Naturally aspirated |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan MCE| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | 35 hr | |||
| Oil filter | 518-0347 | Amazon eBay | |||
| Battery | cleaning, checking specific gravity, checking electrolyte level | — | 100 hr | ||
| Belt | M-1823 | Amazon eBay | |||
| Coolant | 50/50 ethylene glycol antifreeze and clean water | 2.8 L | — | 100 hr | |
| Oil | API SF/CD, SAE viscosity grade per ambient temperature | 2.8 L | — | 250 hr | |
| Spark plug | ES-I374 | Amazon eBay |
Common questions
What size generator is the Cummins/Onan YK4500?
The Cummins/Onan YK4500 is rated 4 kW standby (4.5 kVA).
What engine does the Cummins/Onan YK4500 use?
The Cummins/Onan YK4500 is powered by the Cummins/Onan MCE engine.
What is the oil capacity of the Cummins/Onan YK4500?
The Cummins/Onan MCE engine in the Cummins/Onan YK4500 has an oil capacity of 2.8 liters.
Which oil filter part number does the Cummins/Onan YK4500 take?
The Cummins/Onan YK4500 uses oil filter part number 518-0347.
Troubleshooting
1Symptoms & remedies
| Symptom | Remedy |
|---|---|
| Engine has a number of sensors that continuously monitor it for abnormal conditions such as low oil pressure, high coolant temperature, and high exhaust temperature. | The Fault Breaker is a manual reset breaker that shuts down the engine for these conditions. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 927-01 | Oil Filter | 24 | Oil filter | Amazon eBay |
| ES-I374 | Spark plug gap check | Spark plug | Amazon eBay | |
| 0-1174 | Figure 4-6. CHECKING BRUSH WEAR | Service part / kit | Amazon eBay | |
| 518-0347 | Sealant, Thread | Service part / kit | Amazon eBay |
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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 1.3 | 5.0 |