Service parts for the 20.0 GGDB
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
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 20 kW |
| Voltage options | 12 V |
| Phase | 1 or 3 |
| Battery voltage | 12 VDC V |
Maintenance & consumables
for the Ford LRG425I-6005-A| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Cleaner, Air | 140-1583 | Amazon eBay |
Common questions
How many kW is the Cummins/Onan 20.0 GGDB?
The Cummins/Onan 20.0 GGDB is rated 20 kW standby.
What engine is in the Cummins/Onan 20.0 GGDB?
The Cummins/Onan 20.0 GGDB is powered by the Ford LRG425I-6005-A engine.
What air filter fits the Cummins/Onan 20.0 GGDB?
The Cummins/Onan 20.0 GGDB uses air filter part number 140-1583.
Parts
47| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 140-1089 | Element, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-1583 | Cleaner, Air | 1 | Air filter | Amazon eBay |
| 140-3146 | Breather, Air Cleaner | 1 | Air filter | Amazon eBay FridayParts $345.00 |
| 140-3147 | Element, Replacement - Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-3198-02 | Housing, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-3199-02 | Cover, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-3202 | Gasket, Air Cleaner | 1 | Gasket | Amazon eBay |
| 148-0998 | Switch, Pressure | 1 | Sensor | Amazon eBay |
| 148-1099 | Switch, Vacuum | 1 | Sensor | Amazon eBay |
| 166-0845 | Module, Ignition (Spec A, B) | 1 | Sensor | Amazon eBay |
| 166-0867 | Module, Ignition (Spec C) | 1 | Sensor | Amazon eBay |
| 191-2213 | Starter, Electric | 1 | Gasket | Amazon eBay FridayParts $139.55 |
| 191-2215 | Kit, Starter Brush | 1 | Gasket | Amazon eBay |
| 191-2221 | Bearing, Commutator End | 1 | Gasket | Amazon eBay |
| 191-2222 | Bearing, Pinion End | 1 | Gasket | Amazon eBay |
| 193-0448 | Sender, Oil Pressure | 1 | Sensor | Amazon eBay |
| 193-0451 | Gauge, Oil Pressure | 1 | Sensor | Amazon eBay |
| 193-0463 | Gauge, Water Temperature | 1 | Sensor | Amazon eBay |
| 193-0468 | Sender, Low Coolant Level (S7) | 1 | Sensor | Amazon eBay |
| 193-0477 | Sender, Water Temperature | 1 | Sensor | Amazon eBay |
| 309-0641-19 | Switch, Oil Pressure | 1 | Sensor | Amazon eBay |
| 309-0662 | Thermostat | 1 | Thermostat | Amazon eBay |
| 503-0832 | Hose, Engine Coolant | 1 | Hose | Amazon eBay |
| 503-0833 | Hose, Engine Coolant | 1 | Hose | Amazon eBay |
| 503-0869 | Hose, Radiator | 2 | Hose | Amazon eBay |
| 503-1168 | Hose, Engine Coolant | 1 | Hose | Amazon eBay |
| 503-1169 | Hose, Flex | 2 | Hose | Amazon eBay |
| 503-1274 | Hose, Radiator Drain | 1 | Hose | Amazon eBay |
| 503-1338 | Hose | 1 | Hose | Amazon eBay |
| 503-2085 | Hose, Radiator Inlet (Top) | 1 | Hose | Amazon eBay |
| 503-2092 | Hose, Radiator Outlet (Bottom) | 1 | Hose | Amazon eBay |
| 509-0094 | ‘$ Seal, “0” Ring - injection Pump Mounting 63 | 1 | Seal | Amazon eBay |
| 130-3552 | Radiator | 1 | Service part / kit | Amazon eBay |
| 130-3570 | Tank, Coolant | 1 | Service part / kit | Amazon eBay |
| 130-3572 | Cap, Tank | 1 | Service part / kit | Amazon eBay |
| 148-0597 | Regulator, Natural Gas | 1 | Service part / kit | Amazon eBay |
| 148-0637 | Regulator, LPG Vapor | 1 | Service part / kit | Amazon eBay |
| 148-0737 | Regulator | 1 | Service part / kit | Amazon eBay |
| 148-1104 | Carburetor | 1 | Service part / kit | Amazon eBay |
| 155-0360-01 | Muffler, Critical | 1 | Service part / kit | Amazon eBay |
| 155-0927 | Tube, Exhaust | 1 | Service part / kit | Amazon eBay |
| 205-0258 | Fan, Generator | 1 | Service part / kit | Amazon eBay |
| 307-0268-01 | Valve, Solenoid | 1 | Service part / kit | Amazon eBay |
| 307-0312 | Electric Shutoff Valve | 1 | Service part / kit | Amazon eBay |
| 333-0588-01 | Heater, Engine Coolant (120 Volt) | 1 | Service part / kit | Amazon eBay |
| 333-0588-02 | Heater, Engine Coolant (208/240 Volt) | 1 | Service part / kit | Amazon eBay |
| 510-0112 | Bearing, Ball | 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
Parts manual — 928-0233C Onan GGDB (spec A-C) Genset Parts manual (04-1999) (Cummins/Onan)