Specifications
Ratings spec sheet not in our library yet — see the documents below.
Maintenance & consumables
for the Generac GTH990 OHVI Series| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Cleaner Filter Primary | 0E3557 | Amazon eBay $17.44 | ||
| Fuel filter | Fuel Filter Donaldson | ×1 | 0F0106 | Amazon eBay $10.99 | |
| Oil filter | Oil Filter Black 75mm | 070185B | Amazon eBay $12.95 |
Common questions
What engine does the Generac GTH 990 use?
The Generac GTH 990 is powered by the Generac GTH990 OHVI Series engine.
Parts
3| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0D9723 | Engine Air Filter | Air filter | Amazon eBay $17.45 | |
| 0D9723S | ELEMENT AIR FILTER 0D9723S Replaces 0D9723 | Air filter | buy | |
| GTH990 | GTH990 | Service part / kit | yemparts $130.85 |
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
BrochureEngine specReferenceParts manualService manual