Generac iQ3500 oil type and capacity and spark plug
GarageDex's data from Generac's own published specs: the Generac iQ3500 takes SAE 30, 10W-30 or synthetic 5W-30 (see ambient temperature chart) oil (0.6 L (0.6 qt)) and an F7TC / F7RTC / BPR6ES or equivalent (Generac part 0J00620106) spark plug gapped 0.024-0.028 in (0.6-0.7 mm). It is rated 3,000 running watts and 3,500 starting watts.
Shop 10W-30 oil The spec in the Generac iQ3500 manual
Key takeaways
- Oil capacity: 0.6 L (0.6 qt). Add it in stages and stop at the dipstick's full mark rather than pouring the whole amount at once.
- Spark plug: F7TC / F7RTC / BPR6ES or equivalent (Generac part 0J00620106), gap 0.024-0.028 in (0.6-0.7 mm).
- Every value on this page is quoted from Generac's own manual or spec page, linked beside it.
| Item | Spec | From the manual |
|---|---|---|
| Engine oil | SAE 30, 10W-30 or synthetic 5W-30 (see ambient temperature chart)Manual gives an oil chart by ambient temperature; petroleum oil supplied for break-in | “SAE 30 10W-30 Synthetic 5W-30” source |
| Oil capacity | 0.6 L (0.6 qt) | “Oil Capacity 0.6 L (0.6 qt.)” source |
| Spark plug | F7TC / F7RTC / BPR6ES or equivalent (Generac part 0J00620106) | “Spark Plug Type F7TC / F7RTC / BPR6ES or equivalent” source |
| Spark plug gap | 0.024-0.028 in (0.6-0.7 mm) | “Spark Plug Gap (in/mm) 0.024-0.028 (0.6-0.7)” source |
| Fuel tank | 2.64 US gal (10 L) | “Fuel Capacity / Type 10 L (2.64 U.S. gallons) / Unleaded” source |
| First oil change | change oil after first month or 20 hours | “Change oil after first month or 20 hours of” source |
Parts for the Generac iQ3500
Each Buy button searches Amazon for the exact spec in the manual.
- Engine oil10W-30, 0.6 L (0.6 qt)Buy
- Spark plugF7TC / F7RTC / BPR6ES or equivalent (Generac part 0J00620106)Buy
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Other Generac generators
Source: Generac iQ3500 Owner's Manual (PDF). If your unit's own manual or label differs, follow it.