Service parts for the Mod A
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
| Oil capacity | 0.74 L |
|---|
Maintenance & consumables
for the Generac 5500E| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 020423 | 365 hr | Amazon eBay $14.95 | ||
| Fuel filter | — | 100 hr | |||
| Oil filter | Oil Filter | — | |||
| Battery | — | 365 hr | |||
| Belt | — | ||||
| Coolant | — | 100 hr | |||
| Oil | SAE 30, 10W-30, Synthetic 5W-30 | — | 100 hr | ||
| Spark plug | Separation of electrodes: 0.70 to 0.80 mm (0.028 to 0.031 in) | — | 200 hr |
Common questions
What engine is in the Generac Mod A?
The Generac Mod A is powered by the Generac 5500E engine.
What is the oil capacity of the Generac Mod A?
The Generac 5500E engine in the Generac Mod A has an oil capacity of 0.74 liters.
Which air filter part number does the Generac Mod A take?
The Generac Mod A uses air filter part number 020423.
Troubleshooting
6Fault codes
| Code | Meaning |
|---|---|
| 000001 | DANGER |
| 000103 | DANGER |
| 000183 | Recoil Hazard |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine is running, but AC output is not available. | 1. Circuit breaker OPEN. 2. Poor connection or defective cord set. 3. Connected device is bad. 4. Fault in generator. 5. GFCI receptacle is OPEN (if equipped). | 1. Reset circuit breaker. 2. Check and repair. 3. Connect another device that is in good condition. 4. Contact IASD. 5. Correct ground fault and press reset button on GFCI receptacle (if equipped). |
| Engine runs well at no-load, but bogs when load is applied. | 1. Short circuit in a connected load. 2. Generator is overloaded. 3. Engine speed is too slow. 4. Shorted generator circuit. 5. Clogged spark arrestor. | 1. Disconnect shorted electrical load. 2. Reduce load (see Know Generator Limits). 3. Contact IASD. 4. Contact IASD. 5. Clean spark arrestor screen. |
| Engine will not start; or starts and runs rough. | 1. Fuel shut-off is OFF. 2. Dirty air filter. 3. Out of fuel. 4. Stale fuel. 5. Spark plug wire not connected to spark plug. 6. Bad spark plug. 7. Water in fuel or cylinder overfilled. 8. Overchoking. 9. Low oil level. 10. Excessive rich fuel mixture. 11. Intake valve stuck open or closed. 12. Engine lost compression. 13. Engine switch is OFF. | 1. Turn fuel shut-off ON. 2. Clean or replace air filter. 3. Fill fuel tank. 4. Drain fuel tank and fill with fresh fuel. 5. Connect wire to spark plug. 6. Replace spark plug. 7. Drain fuel tank and fill with fresh fuel. 8. Set choke to no choke position. 9. Fill crankcase to correct level. 10. Contact IASD. 11. Contact IASD. 12. Contact IASD. 13. Turn engine switch ON. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Generac Mod A troubleshooting guide (15 entries) →
Parts
8| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 020422 | Handle Assembly (A) | 1 | Handle | Amazon |
| 0K20670117 | Spark Plug | Spark plug | Amazon | |
| A0004457517-A | BILINGUAL WARNING OF CO | Warning label | Amazon eBay | |
| A0006052083 | WARM EXHAUST LABEL | Warning label | Amazon eBay | |
| A0007276264 | COsense® ACTION LABEL | 1 | Warning label | Amazon eBay |
| 020241 | Never-flat Wheel (B) | 2 | Service part / kit | Amazon |
| 0H4635C | PGMA Safety Label | Service part / kit | Amazon eBay | |
| A0007178676 | Service part / kit | Amazon |
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.