Service parts for the ED series
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
Ratings spec sheet not in our library yet — see the documents below.
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Clean air cleaner cap and sump every 50 hours, clean air cleaner sump and filter element every 10 hours. | — | 6000 hr | ||
| Fuel filter | — | 6000 hr | |||
| Oil filter | Oil level gauge marks | 4305-3 | Amazon eBay | ||
| Battery | Check battery electrolyte level and state of charge every 100 hours. | — | 12500 hr | ||
| Belt | — | 6000 hr | |||
| Coolant | — | 12500 hr | |||
| Coolant filter | — | ||||
| Oil | — | 6000 hr | |||
| Spark plug | — | 6000 hr |
Common questions
What oil filter does the Cummins/Onan ED series use?
The Cummins/Onan ED series uses oil filter part number 4305-3.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Generator overheating | Overloaded | Reduce load. |
| Generator overheating | Brush rig out of position | Be sure to line up marks. |
| Voltage drops under heavy load | Engine lacks power | See remedies for engine missing under heavy load. |
| Voltage drops under heavy load | Poor compression | Tighten cylinder head and spark plugs. If still not corrected, grind the valves. Replace piston rings, if necessary. |
| Voltage drops under heavy load | Faulty carburetion | Check the fuel system. Clean, adjust, or replace parts necessary. |
| Voltage drops under heavy load | Restricted air cleaner | Clean and refill. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan ED series troubleshooting guide (121 entries) →
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 4305-3 | Oil level gauge marks | Oil filter | Amazon eBay | |
| A299-1 | FAN PULLEY | Pump | Amazon eBay | |
| 926-3 | Supplement to 926-3 | Service part / kit | Amazon eBay | |
| A319 | COUNTERWEIGHTED CHOKE | 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
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.