Service parts for the B3.3-G1
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Standby power | 37 kW |
|---|---|
| Dimensions (L×W×H) | 732×581×753 mm |
| Dry weight | 250 kg |
Maintenance & consumables
for the Cummins/Onan B3.3G1| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Cleaner Element | 0140-3840 | Amazon eBay |
Common questions
What size generator is the Cummins/Onan B3.3-G1?
The Cummins/Onan B3.3-G1 is rated 37 kW standby.
What engine is in the Cummins/Onan B3.3-G1?
The Cummins/Onan B3.3-G1 is powered by the Cummins/Onan B3.3G1 engine.
What air filter fits the Cummins/Onan B3.3-G1?
The Cummins/Onan B3.3-G1 uses air filter part number 0140-3840.
Parts
82| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0120-1346 | Pump-Oil | 1 | Pump | Amazon eBay |
| 0130-6174 | Hose-Radiator-Top (Denso radiator) | 1 | Hose | Amazon eBay |
| 0130-6175 | Hose-Radiator-Bottom (Denso radiator) | 1 | Hose | Amazon eBay |
| 0140-3829 | Air Cleaner Kit (Normal Duty) (cw Clamp) | 1 | Air filter | Amazon eBay |
| 0140-3840 | Air Cleaner Element | 1 | Air filter | Amazon eBay |
| 0149-2744 | Separator-Fuel/Water | 1 | Fuel filter | Amazon eBay |
| 0155-4286 | Gasket-Exhaust | 1 | Gasket | Amazon eBay |
| 0179-3782 | Air Cleaner Instl | 1 | Air filter | Amazon eBay |
| 0193-0430-01 | Sender-Pressure | 1 | Sensor | Amazon $35.99 eBay $22.20 FridayParts $29.60 |
| 0193-0432 | Thermostat | 1 | Thermostat | Amazon $76.00 eBay |
| 0193-0567 | Gauge-Fuel Level | 1 | Sensor | Amazon eBay |
| 0193-0568 | Coolant Level Switch / Sensor-Low Coolant Level | 1 | Sensor | Amazon eBay |
| 0309-0436 | Sender-Temperature (E2, E4) (listed as Thermostat in the SRF radiator section) | 1 | Sensor | Amazon eBay |
| 0309-0641-19 | Sender-Pressure (also listed as Switch-Pressure) | 1 | Sensor | Amazon eBay |
| 0501-0874 | Line-Fuel (Return) | 1 | Hose | Amazon eBay |
| 0501-0875 | Line-Fuel (Feed) | 2 | Hose | Amazon eBay |
| 0502-1507 | Adapter-Hose (Oil) | 1 | Hose | Amazon eBay |
| 0503-0685 | Clamp-Hose (6mm-16mm) | 1 | Hose | Amazon eBay |
| 0503-1620 | Hose-Fuel (3/8" ID X 5/8" OD) | 0.6M | Hose | Amazon eBay |
| 0503-2474-06 | Hose-Steam | 1 | Hose | Amazon eBay |
| 0503-2474-07 | Hose-Steam | 1 | Hose | Amazon eBay |
| 0503-2546 | Hose-Flexible (air cleaner) | 1 | Hose | Amazon eBay |
| 0503-2633-01 | Hose-Drain | 1 | Hose | Amazon eBay |
| 0503-2653 | Hose-Coolant (Top) | 1 | Hose | Amazon eBay |
| 0503-2654 | Hose-Coolant (Bottom) | 1 | Hose | Amazon eBay |
| 0524-0826 | Sealant-Thread 577 (250ml) | 1 | Fluid | Amazon eBay |
| 0541-1111 | Air Cleaner Kit (Heavy Duty) | 1 | Air filter | Amazon eBay |
| 0100-3922 | Engine-B3.3G1 | 1 | Service part / kit | Amazon eBay |
| 0100-3985 | Engine-Accessories | 1 | Service part / kit | Amazon eBay |
| 0130-6147 | Cooling Fan (Denso radiator) | 1 | Service part / kit | Amazon eBay |
| 0130-6149 | Radiator-B3.3 (also listed as Radiator-SRF) | 1 | Service part / kit | Amazon eBay |
| 0130-6406 | Radiator Cap (Denso) | 1 | Service part / kit | Amazon eBay |
| 0130-6600 | Radiator Cap | 1 | Service part / kit | Amazon eBay |
| 0155-4215 | Guard-Exhaust (Support) | 2 | Service part / kit | Amazon eBay |
| 0155-4311-02 | Guard-Exhaust | 1 | Service part / kit | Amazon eBay |
| 0159-1552 | Cap-Filler (fuel tank) | 1 | Service part / kit | Amazon eBay |
| 0179-3786 | Heater Instl | 1 | Service part / kit | Amazon eBay |
| 0179-3998 | Muffler Instl - Enclosure | 1 | Service part / kit | Amazon eBay |
| 0179-4468 | Battery Charger Instl | 1 | Service part / kit | Amazon eBay |
| 0179-4489 | Radiator Instl | 1 | Service part / kit | Amazon eBay |
| 0179-4498 | Genset Instl (SRF Radiator) | 1 | Service part / kit | Amazon eBay |
| 0179-4636 | Skid Assy (With Tank) | 1 | Service part / kit | Amazon eBay |
| 0179-4900 | Circuit Breaker Instl (MCCB) | 1 | Service part / kit | Amazon eBay |
| 0179-4915 | Circuit Breaker Instl (MCB) | 1 | Service part / kit | Amazon eBay |
| 0300-6031 | Control Assy | 1 | Service part / kit | Amazon eBay |
| 0320-1981-01 | Accessories-CB (SD Contact) | 1 | Service part / kit | Amazon eBay |
| 0320-1981-02 | Accessories-CB (Shunt Trip) | 1 | Service part / kit | Amazon eBay |
| 0320-2225-01 | Accessories-CB (Shunt Trip) | 1 | Service part / kit | Amazon eBay |
| 0320-2225-02 | Accessories-CB (SD Contact) | 1 | Service part / kit | Amazon eBay |
| 0331-0618-02 | Locknut Conduit | 2 | Service part / kit | Amazon eBay |
| 0332-4001-01 | Rail-Terminal Block (300mm) | 1 | Service part / kit | Amazon eBay |
| 0333-0690 | Heater-Engine Coolant-240v. | 1 | Service part / kit | Amazon eBay |
| 0333-0699 | Heater-Engine Coolant-120v. | 1 | Service part / kit | Amazon eBay |
| 0337-3583-03 | Strap-Ground | 2 | Service part / kit | Amazon eBay |
| 0337-3583-04 | Strap-Ground | 2 | Service part / kit | Amazon eBay |
| 0338-4487 | Harness-Engine (Mechanical governor) | 1 | Service part / kit | Amazon eBay |
| 0338-4646 | Harness-Engine | 1 | Service part / kit | Amazon eBay |
| 0338-4720 | Harness-Engine (Electronic governor) | 1 | Service part / kit | Amazon eBay |
| 0338-4819-02 | Harness AC | 1 | Service part / kit | Amazon eBay |
| 0338-4819-03 | Harness AC | 1 | Service part / kit | Amazon eBay |
| 0405-9086 | Enclosure Assy | 1 | Service part / kit | Amazon eBay |
| 0416-1242 | Battery | 1 | Service part / kit | Amazon eBay |
| 0504-0264-01 | Valve-Hydraulic (Oil) | 1 | Service part / kit | Amazon eBay |
| 0504-0267 | Valve-Ball M22 lock | 1 | Service part / kit | Amazon eBay |
| 0504-0284 | Valve-Drain (1/2"BSP) | 1 | Service part / kit | Amazon eBay |
| 0505-0019 | Bushing-Reducer | 1 | Service part / kit | Amazon eBay |
| 0505-2235 | Adaptor-Pipe | 1 | Service part / kit | Amazon eBay |
| 0526-0399-56 | Washer-Flat (M5) | 2 | Service part / kit | Amazon eBay |
| 0526-0399-60 | Washer-Flat (M8) | 4 | Service part / kit | Amazon eBay |
| 0526-0399-62 | Washer-Flat (M10) | 2 | Service part / kit | Amazon eBay $4.00 |
| 0541-1161 | Muffler - Loose (Option) | 1 | Service part / kit | Amazon eBay |
| 0800-0309-93 | Screw-Hex Head (M5) | 2 | Service part / kit | Amazon eBay |
| 0800-3017-19 | Screw-Hex Head (M8 X 20) | 2 | Service part / kit | Amazon eBay |
| 0800-3017-35 | Screw HHC (M10) | 1 | Service part / kit | Amazon eBay |
| 0800-3017-37 | Screw-Hex Head (M10 X 25) | 2 | Service part / kit | Amazon eBay |
| 0850-0114-52 | Washer-Lock (M5) | 2 | Service part / kit | Amazon eBay |
| 0850-0114-54 | Washer-Lock (M8) | 2 | Service part / kit | Amazon eBay |
| 0850-0114-55 | Washer-Lock (M10) | 2 | Service part / kit | Amazon eBay |
| 0862-0026-55 | Nut-Hex (M8) | 2 | Service part / kit | Amazon eBay |
| 0862-0026-56 | Nut Hex (M10) | 1 | Service part / kit | Amazon eBay |
| 0872-0020-01 | Standoff | 2 | Service part / kit | Amazon eBay |
| 0872-0021 | Standoff | 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.
Available documents
Spec sheet — B33G