Service parts for the 30.0 DL6
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Standby power | 30 kW |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Element | 140-1089 | Amazon eBay | ||
| Fuel filter | Filter Assembly (Includes Filter, Base, Clamp, Drain Plug, Drain Seal and Plugs) | 149-1755 | Amazon eBay | ||
| Oil filter | Filter, Oil | 122-0550 | Amazon eBay $21.84 NAPA $18.20 | ||
| Belt | Belt | 511-0147-13 | Amazon eBay |
Common questions
What is the power rating of the Cummins/Onan 30.0 DL6?
The Cummins/Onan 30.0 DL6 is rated 30 kW standby.
What kind of fuel does the Cummins/Onan 30.0 DL6 run on?
The Cummins/Onan 30.0 DL6 runs on Diesel.
What oil filter does the Cummins/Onan 30.0 DL6 use?
The Cummins/Onan 30.0 DL6 uses oil filter part number 122-0550.
What fuel filter does the Cummins/Onan 30.0 DL6 use?
The Cummins/Onan 30.0 DL6 uses fuel filter part number 149-1755.
What air filter does the Cummins/Onan 30.0 DL6 use?
The Cummins/Onan 30.0 DL6 uses air filter part number 140-1089.
Parts
107| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 101-0600 | Gasket, Rear Seal Plate | 1 | Gasket | Amazon eBay |
| 101-0630 | Seal, Flywheel Housing | 1 | Seal | Amazon eBay |
| 101-0713 | Plate, Rear Seal (Includes Seal) | 1 | Seal | Amazon eBay |
| 102-1036 | Gasket, Oil Pan (Spec C and D) | 1 | Gasket | Amazon eBay |
| 102-1147 | Gasket, Drain-Oil Pan | 1 | Gasket | Amazon eBay |
| 103-0731 | Gasket, Gearcase | 1 | Gasket | Amazon eBay |
| 110-2979 | Seal Assembly, Valve Stem | 12 | Seal | Amazon eBay |
| 115-0232 | Gasket, Capnut | 6 | Gasket | Amazon eBay |
| 115-0244 | Gasket, Rocker Cover | 1 | Gasket | Amazon eBay |
| 120-0917 | Gasket, Oil Pickup | 1 | Gasket | Amazon eBay |
| 120-1014 | Pump Kit, Oil (Includes Drive Shaft Bearing) | 1 | Pump | Amazon eBay |
| 122-0550 | Filter, Oil | 1 | Oil filter | Amazon eBay $21.84 NAPA $18.20 |
| 122-0635 | Gasket, Adapter | 1 | Gasket | Amazon eBay |
| 123-1518 | Gasket, Oil Fill Cap | 1 | Gasket | Amazon eBay |
| 131-0294 | Gasket, Pump Mounting | 1 | Gasket | Amazon eBay |
| 131-0335 | Gasket, Backplate | 1 | Gasket | Amazon eBay |
| 131-0351 | Kit, Coolant Pump (Includes Mounting Gaskets) | 1 | Pump | Amazon eBay |
| 140-1089 | Element, Air Cleaner | 1 | Air filter | Amazon eBay |
| 147-0436 | Seal, Injector | 6 | Seal | Amazon eBay |
| 147-0464-05 | Pump, Fuel Injection - 1800 RPM | 1 | Pump | Amazon eBay |
| 147-0464-06 | Pump, Fuel Injection - 1500 RPM | 1 | Pump | Amazon eBay |
| 147-0562 | Injector, Fuel | 6 | Injector | Amazon eBay |
| 147-0578 | Seal, Pilot Tube | 1 | Seal | Amazon eBay |
| 147-0580 | Seal, Head Locating Screws | 1 | Seal | Amazon eBay |
| 147-0581 | Seal, Advance Screw Hole Plug | 1 | Seal | Amazon eBay |
| 147-0585 | Gasket, Timing Line Cover | 1 | Gasket | Amazon eBay |
| 147-0588 | Seal, Throttle Shaft | 1 | Seal | Amazon eBay |
| 147-0590 | Gasket, Governor Cover | 1 | Gasket | Amazon eBay |
| 147-0617 | Line, Flexible Fuel - 60" (Fuel Return) | 1 | Hose | Amazon eBay |
| 147-0666 | Line, Fuel Injection (No. 1) | 1 | Hose | Amazon eBay |
| 147-0667 | Line, Fuel Injection (No. 2) | 1 | Hose | Amazon eBay |
| 147-0668 | Line, Fuel Injection (No. 3) | 1 | Hose | Amazon eBay |
| 147-0669 | Line, Fuel Injection (No. 4) | 1 | Hose | Amazon eBay |
| 147-0670 | Line, Fuel Injection (No. 5) | 1 | Hose | Amazon eBay |
| 147-0671 | Line, Fuel Injection (No. 6) | 1 | Hose | Amazon eBay |
| 149-1728 | Gasket, Fuel Transfer Pump | 1 | Gasket | Amazon eBay |
| 149-1754 | Filter, Fuel | 1 | Fuel filter | Amazon eBay |
| 149-1755 | Filter Assembly (Includes Filter, Base, Clamp, Drain Plug, Drain Seal and Plugs) | 1 | Fuel filter | Amazon eBay |
| 149-1796 | Line, Fuel | 1 | Hose | Amazon eBay |
| 149-1797 | Line, Fuel | 1 | Hose | Amazon eBay |
| 149-1836 | Gasket, Filter Drain Plug | 1 | Gasket | Amazon eBay |
| 149-1908-05 | Separator, Water (Includes Filter Element) | 1 | Fuel filter | Amazon eBay |
| 149-1914-01 | Fuel Filter Element (Remote) | 1 | Fuel filter | Amazon eBay FridayParts $42.99 |
| 149-2067 | Pump Kit, Fuel Transfer | 1 | Pump | Amazon eBay |
| 149-2069 | Repair Package - Transfer Pump | 1 | Pump | Amazon eBay |
| 150-1406 | Sensor, Speed - Magnetic | 1 | Sensor | Amazon eBay |
| 151-0603-02 | Sensor, Magnetic Speed | 1 | Sensor | Amazon eBay |
| 154-2162 | Gasket, Exhaust Manifold | 1 | Gasket | Amazon eBay |
| 154-2300 | Gasket, Intake Manifold | 1 | Gasket | Amazon eBay |
| 154-2325 | Gasket, Exhaust Manifold | 1 | Gasket | Amazon eBay |
| 155-1920 | Gasket, Exhaust Flange | 1 | Gasket | Amazon eBay |
| 168-0160 | 1 Gasket Kit, Valve Grinding | 1 | Gasket | Amazon eBay |
| 168-0173 | Gasket Kit, Lower End | 1 | Gasket | Amazon eBay |
| 191-1893 | Ring, "O" - Sealing (Used on 191-1888 Starter) | 1 | Seal | Amazon eBay |
| 193-0244 | Sender, Pressure - 0i1 | 1 | Sensor | Amazon eBay |
| 193-0318 | Sender, Water Temperature | 1 | Sensor | Amazon eBay $73.95 |
| 193-0322 | Sender, Coolant-Low | 1 | Sensor | Amazon eBay |
| 193-0353 | Sender, Temperature - Oil | 1 | Sensor | Amazon eBay |
| 202-6903 | Line, Fuel - Flexible (1/8 NPT Male x 1/4 SAE Male Swivel x 24" Lg) | 1 | Hose | Amazon eBay |
| 209-0191 | Seal, Oil (Includes Wear Sleeve) | 1 | Seal | Amazon eBay |
| 309-0128 | Thermostat - Adjustable | 1 | Thermostat | Amazon eBay |
| 309-0269 | Sender, Temperature-Lo Engine | 1 | Sensor | Amazon eBay $239.00 |
| 309-0272 | Regulator, Voltage - 24 VDC (Used on 35 A MP Alternator) | 1 | Alternator | Amazon eBay |
| 309-0424 | Gasket, Thermostat Cover | 1 | Gasket | Amazon eBay |
| 309-0458 | Kit, Thermostat (192°) (Includes Cover Gasket) | 1 | Thermostat | Amazon eBay |
| 309-0462 | Kit, Thermostat (180°) Includes Cover Gasket | 1 | Thermostat | Amazon eBay |
| 309-0561 | Alternator & Drive Components Group Pulley. Alternator - Multi Groove (Use with 35 A MP Alternator) | 1 | Alternator | Amazon eBay |
| 415-0321 | Pump, Fuel (12 VDC) | 1 | Pump | Amazon eBay |
| 415-0466 | Switch, Float - Liquid Level | 1 | Sensor | Amazon eBay |
| 415-0467 | Gasket - Access Plate | 1 | Gasket | Amazon eBay |
| 501-0027 | Line, Fuel - Flexible (1/8 NPT Male x 1/4 SAE Male Swivel x 48" Lg) | 2 | Hose | Amazon eBay |
| 501-0094 | Line, Fuel - Flexible (1/8 NPT Male x 1/4 SAE Male Swivel x 60" Lg) | 1 | Hose | Amazon eBay |
| 501-0441 | Line, Fuel - Flex (Fuel In) | 1 | Hose | Amazon eBay |
| 501-0482 | Line, Oil Drain (24") - Begin Spec D | 1 | Hose | Amazon eBay |
| 503-0625 | Hose (2-1/2" ID x 4-1/2") | 1 | Hose | Amazon eBay |
| 503-1053 | Line, Fuel Return (Flexible) 180 MM Long | 1 | Hose | Amazon eBay |
| 503-1054 | Line, Fuel Return (Flexible) 25 MM Long | 1 | Hose | Amazon eBay |
| 503-1055 | Line, Fuel Return (Flexible) 380 MM Long | 1 | Hose | Amazon eBay |
| 503-1070 | Hose, Radiator - Lower | 1 | Hose | Amazon eBay |
| 503-1074 | Hose Reducer | 1 | Hose | Amazon eBay |
| 503-1177 | Hose, Radiator - Upper | 1 | Hose | Amazon eBay |
| 503-1181 | Hose, Reducing | 1 | Hose | Amazon eBay |
| 503-1276 | Hose, Oil Drain (14") - Spec C | 1 | Hose | Amazon eBay |
| 503-1429-01 | Hose, Flex (5/8") | 1 | Hose | Amazon eBay |
| 503-1429-05 | Hose, Flex (5/8" x 36") | 1 | Hose | Amazon eBay |
| 509-0094 | Gasket, O-Ring - Injection Pump Mounting | 1 | Gasket | Amazon eBay |
| 509-0142 | 0-Ring | 1 | Seal | Amazon eBay $19.99 |
| 509-0203 | Seal, Oil - Rear (Includes Wear Sleeve) | 1 | Seal | Amazon eBay |
| 509-0263 | Seal, O-Ring | 1 | Seal | Amazon eBay |
| 509-0264 | Seal, O-Ring | 1 | Seal | Amazon eBay |
| 511-0147-13 | High Engine Belt- Alternator Washer. Lock - ET (M12) | 1 | Belt | Amazon eBay |
| 530-4131 | Plug, Glow | 6 | Glow plug | Amazon eBay |
| 541-0214-04 | Kit, Repair (Includes Gaskets, Seal, Hub, Bearing, Impeller and Backplate Mounting Screws) | 1 | Pump | Amazon eBay |
| 541-0286 | Kit, RTV Sealant - Oil Pan Mounting - Spec E | 1 | Seal | Amazon eBay |
| 115-0313 | Guide, Pushrod | 3 | Service part / kit | Amazon eBay |
| 140-1851 | Element | 1 | Service part / kit | Amazon eBay NAPA $51.90 |
| 149-2045 | O-Ring Kit (Includes Seal and Plunger) | 1 | Service part / kit | Amazon eBay |
| 149-2047 | Part 149-2047 | 1 | Service part / kit | Amazon eBay |
| 193-0330 | Gauge, Oil Temperature (M6) | 1 | Service part / kit | Amazon eBay |
| 193-0351 | Gauge, Temperature - Water (M12) | 1 | Service part / kit | Amazon eBay $157.00 |
| 193-0352 | Gauge, Oil Pressure (M2) | 1 | Service part / kit | Amazon eBay $119.00 |
| 309-0169 | 1 Begin Spec G 25 26 | 1 | Service part / kit | Amazon eBay |
| 309-0436 | Decal - Model Identification ONAN GEN SET CUMMINS GEN SET CUMMINS ONAN GEN SET | 1 | Service part / kit | Amazon eBay |
| 309-0437 | (222"F) | 1 | Service part / kit | Amazon eBay |
| 501-0003 | Line, Fuel - Flexible (9") | 1 | Service part / kit | Amazon eBay |
| 502-0041 | Pipe, Elbow - Street, 90'. Brass | 1 | Service part / kit | Amazon eBay |
| 525-0305 | 12 oz. Pressurized Spray Can | 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 — 934-0231 Onan DL6 (Spec C-E) Diesel Genset Parts manual (03-1989) (Cummins/Onan)Parts manual — 934-0236 Onan DGAB DGAC DGAD (Spec F) DGAE (Spec C) DL4 DL6 (Spec C-F) DLT (Spec A-C) A41 A61 (Spec E) A61T (Spec B) (08-2011) (Cummins/Onan)
This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.