Service parts for the 15.0JC-3CR
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
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 | 15 kW |
| Voltage options | 120/240 V |
| Phase | 1 |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Filter, Breather Tube - Spec A through S | 123-0865 | Amazon eBay $23.69 | ||
| Fuel filter | Screen, Fuel Pump | 149-0463 | Amazon eBay | ||
| Oil filter | 4-3/8 inch long | 122-0185 | Amazon Amazon eBay $19.55 eBay NAPA $12.88 | ||
| Oil | ISO VG 32 quality oil | — |
Common questions
How many kW is the Cummins/Onan 15.0JC-3CR?
The Cummins/Onan 15.0JC-3CR is rated 15 kW standby.
Is the Cummins/Onan 15.0JC-3CR diesel or gas?
The Cummins/Onan 15.0JC-3CR runs on Gasoline.
What voltage does the Cummins/Onan 15.0JC-3CR produce?
The Cummins/Onan 15.0JC-3CR is offered in 120/240 V, 1-phase.
What oil filter fits the Cummins/Onan 15.0JC-3CR?
The Cummins/Onan 15.0JC-3CR uses oil filter part number 122-0185.
What fuel filter fits the Cummins/Onan 15.0JC-3CR?
The Cummins/Onan 15.0JC-3CR uses fuel filter part number 149-0463.
What air filter fits the Cummins/Onan 15.0JC-3CR?
The Cummins/Onan 15.0JC-3CR uses air filter part number 123-0865.
Parts
54| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 120-0547 | Pump Assembly, Oil | 1 | Pump | Amazon eBay $295.00 |
| 120-0580 | Gasket Kit, Oil Pump | 1 | Gasket | Amazon eBay |
| 120-0585 | 1 Rear | 1 | Hose | Amazon eBay |
| 120-0586 | 1 Front | 1 | Hose | Amazon eBay |
| 120-0756 | Cup, Oil Pump Intake - Spec A through G | 1 | Pump | Amazon eBay |
| 122-0182 | Adapter, Oil Filter | 1 | Oil filter | Amazon eBay |
| 122-0185 | Oil Filter | 1 | Oil filter | Amazon Amazon eBay $19.55 eBay NAPA $12.88 |
| 122-0188 | Gasket, Oil Adapter | 1 | Gasket | Amazon eBay |
| 123-0649 | 1 Tube, Oil Fill | 1 | Fluid | Amazon eBay |
| 123-0667 | 1 Gasket | 1 | Gasket | Amazon eBay |
| 140-0594 | Gasket, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-0595 | Pan, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-0647 | Adapter, Air Cleaner (Includes Tube) - Spec A through Q | 1 | Air filter | Amazon eBay |
| 140-0790 | Cover, Air Cleaner - Begin Spec P | 1 | Air filter | Amazon eBay |
| 140-0791 | Pan, Air Cleaner - Begin Spec P | 1 | Air filter | Amazon eBay |
| 140-0933 | Adapter, Air Cleaner (Includes Tube) - Begin Spec R | 1 | Air filter | Amazon eBay |
| 141-0281 | Gasket, Carburetor Mounting | 1 | Gasket | Amazon eBay |
| 149-0792 | Gasket, Fuel Pump Mounting | 1 | Gasket | Amazon eBay |
| 149-1048 | Repair Kit, Fuel Pump | 1 | Fuel pump | Amazon eBay $200.00 |
| 149-1787 | Pump Kit, Fuel - Includes Mounting Gasket | 1 | Pump | Amazon eBay $340.00 |
| 150-0862 | Spring, Governor - Spec A through Q | 1 | Belt | Amazon eBay |
| 509-0086 | Seal, Crankshaft Rear | 1 | Seal | Amazon eBay |
| 509-0090 | Seal, Oil - Intake Valve | 2 | Seal | Amazon eBay |
| 101-0359 | Bearing, Main (Precision) - Front or Rear - Standard | 2 | Service part / kit | Amazon eBay |
| 101-0363 | 1 "Bearing, Precision Cam Front (Standard Only) 8 | 1 | Service part / kit | Amazon eBay NAPA $41.82 |
| 101-0365 | 1 "Bearing, Precision Cam Rear (Standard Only) 8A | 1 | Service part / kit | Amazon eBay |
| 104-0572 | Flywheel Assembly - Sets With Vacu-Flo Cooling | 1 | Service part / kit | Amazon eBay |
| 104-1362 | Crankshaft - Begin Spec AC | 1 | Service part / kit | Amazon eBay |
| 105-0240 | 1 Spec A through N | 1 | Service part / kit | Amazon eBay |
| 105-0275 | Camshaft - Begin Spec P | 1 | Service part / kit | Amazon eBay |
| 110-1218 | 4 Gasoline Sets | Service part / kit | Amazon eBay | |
| 110-1219 | 4 Valve, Exhaust - Stellite 7 | Service part / kit | Amazon eBay | |
| 110-1313 | Head, Cylinder - Gasoline Sets (Includes Parts) | 2 | Service part / kit | Amazon eBay |
| 110-1328 | Block Assembly, Cylinder (Includes Tappets) | 1 | Service part / kit | Amazon eBay |
| 110-1388 | Head, Cylinder - Gas and Gas-Gasoline Sets (Includes Parts) | 2 | Service part / kit | Amazon eBay $795.00 |
| 110-1501 | Guide, Valve | 8 | Service part / kit | Amazon eBay |
| 112-0172 | Piston Kit (Includes Pin and Retaining Rings) - Gasoline, Gas-Gasoline, LPG and Standard Natural Gas Sets | 4 | Service part / kit | Amazon eBay |
| 112-0174 | Bearing half, Connecting Rod | 4 | Service part / kit | Amazon eBay $220.00 |
| 113-0107 | 4 Standard | 4 | Service part / kit | Amazon eBay $22.99 |
| 114-0163 | Piston and Pin | 4 | Service part / kit | Amazon eBay |
| 123-0458 | 1 Spec A through H | 1 | Service part / kit | Amazon eBay |
| 123-0645 | 1 "Tube, Breather - Spec A through S 21 | 1 | Service part / kit | Amazon eBay NAPA $14.53 |
| 123-0698 | 1 Cap & Indicator | 1 | Service part / kit | Amazon eBay |
| 123-0787 | 1 Spec J through S | 1 | Service part / kit | Amazon eBay |
| 123-0865 | 1 Baffle, Breather Tube- Spec A through S BASE, OIL | 1 | Service part / kit | Amazon eBay $23.69 |
| 134-1406 | Flywheel Assembly - Begin Spec H (Replaces assembly used Spec A-G) | 1 | Service part / kit | Amazon eBay |
| 141-0759 | Carburetor - Gasoline Sets Spec A through Q | 1 | Service part / kit | Amazon eBay |
| 141-0876 | Carburetor - Gasoline Sets Begin Spec R | 1 | Service part / kit | Amazon eBay |
| 149-0463 | Valve, Check | 1 | Service part / kit | Amazon eBay |
| 150-0861 | Spring, Governor - Spec A | 1 | Service part / kit | Amazon eBay |
| 153-0430 | Choke Kit - Thermo-Magnetic Replacement | 1 | Service part / kit | Amazon eBay |
| 154-0724 | Manifold, Intake - Spec A | 1 | Service part / kit | Amazon eBay |
| 154-0749 | Manifold, Intake - Begin Spec B | 1 | Service part / kit | Amazon eBay $145.00 |
| 193-0006 | Gauge, Oil Pressure | 1 | Service part / kit | Amazon eBay $94.95 |
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 — 967-0220 Onan JC spec A-AB Genset Parts manual 03-2012 (Cummins/Onan)
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.