Service parts for the 350 IDIFIN
Grouped by system, with how many of each the parts manual calls for.
Cooling system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 350 kW |
| Voltage options | 480 V, 208 V |
| Phase | 3 |
| Power factor | 0.8 |
| Battery group | BCI |
| Battery cranking | 975 CCA |
| Battery voltage | 12 V |
| Battery quantity | 2 |
Maintenance & consumables
for the Cummins/Onan KTA-1150-G| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1200 hr | |||
| Fuel filter | FS-1304 | — | 500 hr | ||
| Oil filter | FS-1386 | — | 1200 hr | ||
| Battery | — | 500 hr | |||
| Belt | — | 1200 hr | |||
| Coolant | — | 500 hr | |||
| Coolant filter | spin-on type corrosion filter | CS8-1131 | Amazon eBay | ||
| Oil | — | 8 hr | |||
| Spark plug | — | 1200 hr |
Common questions
How many kW is the Cummins/Onan 350 IDIFIN?
The Cummins/Onan 350 IDIFIN is rated 350 kW standby.
What engine does the Cummins/Onan 350 IDIFIN use?
The Cummins/Onan 350 IDIFIN is powered by the Cummins/Onan KTA-1150-G engine.
What kind of fuel does the Cummins/Onan 350 IDIFIN run on?
The Cummins/Onan 350 IDIFIN runs on Diesel.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine stops cranking and fault lamp lights, after cranking approximately 75 seconds. | Check for empty fuel tank, fuel system leaks, or plugged fuel filters and/or supply lines. Correct as required. | |
| Fault lamp lights immediately after engine starts and unit shuts down. | Indicates possible overspeed condition. Check the governor and throttle linkage for binding and freedom of movement. Check electronic governor connections. Contact an Onan Distributor or the engine manufacturer if linkage is not at fault. | |
| Fault lamp lights and engine shuts down after running for a period. | . Check oil level and replenish if necessary. Check coolant level of radiator and heat exchanger sets and replenish if necessary. Check for slipping drive belts or for obstructions to the airflow. Check water flow valve on city water cooled seis and adjust if necessary. Contact an Onan Distributor or the engine manufacturer if none of the above. | |
| Engine runs, shuts down and cranks for 75-seconds. Cranking cycle stops; fault lamp lights. | . Check for dirty fuel filters and replace if necessary. (See MAINTENANCE section). Check for dirty or plugged air filters and replace if necessary. (See MAINTENANCE section) | |
| Fault lamp lights, no fault exists. | Engine monitor board or sensor malfunction. Contact an Onan Distributor. | |
| Overcrank fault lamp lights and engine stops cranking after approximately 75-seconds. | Check for empty fuel tank, fuel system leaks, or plugged fuel filters and/or supply lines. Correct as required. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan 350 IDIFIN troubleshooting guide (12 entries) →
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 960-0121 | BCI Group SIZ@ | 2 | Battery | Amazon eBay |
| C-1067 | CRANKCASE BREATHER | Breather | Amazon eBay | |
| CS8-1131 | spin-on type corrosion filter | 4 | Coolant filter | Amazon eBay |
| B184 | PHASE SELECTOR SWITCH | 1 | 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.