Service parts for the GSAA
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Natural Gas, Propane |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 10.5 kW |
| Controller | Transfer Switch |
| Oil capacity | 1.6 L |
| Voltage options | 120/240 V |
| Phase | 1 |
| Power factor | 1.0 |
| Battery cranking | 530 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
Maintenance & consumables
for the Cummins/Onan GSAA engine| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Engine air filter element replacement | — | 300 hr | ||
| Fuel filter | Change fuel filter every 1000 hours or as needed. | 0501-0776-06 | 1000 hr | Amazon eBay | |
| Oil filter | Engine oil filter replacement | — | 300 hr | ||
| Battery | Starting battery clean/check/replace | — | 150 hr | ||
| Belt | Inspect belts for wear and replace if necessary. | — | |||
| Coolant | Add coolant as needed to maintain proper level. Replace every 10 years or as needed. | — | |||
| Oil | Engine oil level check, change | 1.68 liters | 0503-2151 | 300 hr | Amazon eBay |
| Spark plug | Spark plug replacement (2 per engine) | — | 450 hr |
Common questions
What size generator is the Cummins/Onan GSAA?
The Cummins/Onan GSAA is rated 10.5 kW standby.
What engine does the Cummins/Onan GSAA use?
The Cummins/Onan GSAA is powered by the Cummins/Onan GSAA engine engine.
What fuel type does the Cummins/Onan GSAA take?
The Cummins/Onan GSAA runs on Natural Gas, Propane.
How much oil does the Cummins/Onan GSAA take?
The Cummins/Onan GSAA engine engine in the Cummins/Onan GSAA has an oil capacity of 1.6 liters.
What voltage does the Cummins/Onan GSAA produce?
The Cummins/Onan GSAA is offered in 120/240 V, 1-phase.
How many cold cranking amps does the Cummins/Onan GSAA require?
The Cummins/Onan GSAA uses 1 battery, 12 V each, 530 CCA, per the manufacturer specification sheet.
Which fuel filter part number does the Cummins/Onan GSAA take?
The Cummins/Onan GSAA uses fuel filter part number 0501-0776-06.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| No Response — Status Indicator Light Dead | Low/No battery voltage, poor battery connection, faulty battery, open harness connection, faulty start/stop switch, faulty LED | Try generator set Start Switch if the remote display Start Switch does not respond, and vice versa; Clean and tighten positive (+) and negative (−) battery cable connections at the battery; Recharge or replace battery. Refer to the battery manufacturer's recommendations. |
| Starting Battery Runs Down | Marginal battery connections, battery, charging system, excessive cranking | Clean and tighten positive (+) and negative (−) battery cable connections at the battery; Recharge or replace battery. Refer to the battery manufacturer's recommendations; Have battery charger serviced by an authorized Cummins location. |
| Starter Engages − Disengages | Cranking voltage dips below 6 VDC − Battery connections, battery, charging system, start/stop switches | Clean and tighten positive (+) and negative (−) battery cable connections at the battery; Recharge or replace battery. Refer to the battery manufacturer's recommendations; Have the battery charger serviced by an authorized Cummins Onan dealer. |
| No AC Power − generator set Running, Status LED On Steady or Flashing Rapidly | Circuit breakers tripped to OFF, due to short circuit or overloading. | Reset or turn on generator set circuit breaker; Reset or turn on circuit breaker in the distribution panel; Reduce number of loads; Have the circuits from the generator set and distribution panel verified by an authorized electrician. |
| Generator Set Cranks But Does Not Start − No Fault Code | Not holding start switch long enough to cause fault | Check and record last fault code; Crank generator set and hold switch until control stops cranking and displays fault code (approximately 30 seconds): troubleshoot fault code and reference last fault code recorded above if necessary. |
| Generator Set Runs But Stops When Switch Is Released − No Fault Code | Not holding start switch long enough to cause fault | Check and record last fault code; Start generator set and hold switch until control shuts down and displays fault code (approximately 30 seconds): troubleshoot fault code and reference last fault code recorded above if necessary. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan GSAA troubleshooting guide (32 entries) →
Parts
5| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0501-0776-06 | Fuel hose assembly (LP/propane) | 1 | Hose | Amazon eBay |
| 0503-2151 | Oil drain hose assembly | 1 | Hose | Amazon eBay |
| 333-0770 | Battery heater kit (thermostatically controlled) | 1 | Thermostat | Amazon eBay |
| 0333-0770 | Optional battery heater | Service part / kit | Amazon eBay | |
| 0333-0771 | Optional engine oil and carburetor heater | 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.