The Impco GM 3.0L is a 4-cylinder engine. It powers generator sets from Impco, including the GM 3.0.
Also known as: IMPCO GM 3.0L
| Cylinders | 4 |
|---|
Compiled from service & troubleshooting documentation across every generator set that uses the Impco GM 3.0L.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Inspect and clean air cleaner every 200 hours or annually, more often in dusty environments | — | 200 hr | find | |
| Fuel filter | Replace inline LPG filter every 2,000 hours or two years, whichever occurs first | — | 2000 hr | find | |
| Oil filter | Change oil filter with every oil change | — | 100 hr | find | |
| Belt | Inspect accessory drive belts every 1000 hours or annually | — | 1000 hr | find | |
| Coolant | Change coolant every 3500 hours or two years, whichever occurs first | — | 3500 hr | ||
| Coolant filter | — | find | |||
| Oil | GM specification 9986231, ILSAC GF-4 oils preferred | — | 100 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Impco GM 3.0L powers 1 generator set(s), including Impco GM 3.0.
The Impco GM 3.0L oil change interval is every 100 hours.
A commonly reported issue on generators using the Impco GM 3.0L is: Fuel pressure issues. Cause: Inadequate supply pressure to the fuel system low pressure regulator. Fix: Check for negative pressure between -2.0” W.C. to -6.0” W.C., and ensure proper gas supply pressure.