Generac GTH 990 Generator Set
Generac GTH 990 generator set: . Specifications, engine details, filters, oil capacity and 4 document types.
Get a price quote on the Generac GTH 990New, used & surplus units from generator dealersSpecifications
| Ratings spec sheet not in our library yet — see the documents below. |
Filters & service parts (model family)
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
| Item | Spec | Capacity | Part # | Interval |
|---|---|---|---|---|
| Air filter | PRIMARY | 0E3557 Amazon | ||
| Air filter | SAFETY | 0E3656 Amazon | ||
| Fuel filter | 0F0106 Amazon | |||
| Oil filter | 070185B NAPA $9.09 Amazon | |||
| Oil filter | 0H8131 Amazon | |||
| Spark plug | 0E7585 NAPA $5.48 Amazon | |||
| Spark plug | RCY14 .040"GAP | 0E7585A NAPA $2.63 Amazon | ||
| Spark plug | RC12 .040" GAP | 0G0767A Amazon | ||
| Air filter | Foam Pre-Filter | find | ||
| Oil | 100 hr | |||
| Oil filter | find | 100 hr | ||
| Other | oil cooler fins cleaning | 100 hr | ||
| Spark plug | find |