Service parts for the MLG20IF4
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 | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Prime power | 19 kW |
| Emissions | Final Tier 4 Approved |
| Controller | Power Zone |
| Oil capacity | 10.4 L |
| Voltage options | 120/240 V, 167/83 V |
| Phase | Single phase |
| Rated current | 83 A |
| Circuit breaker | 100 A |
| Battery cranking | 720 CCA |
| Max ambient | 49 °C |
| Dry weight | 667 kg |
| Sound level | 70.0 dBA @ 23 m |
| Fuel tank | 189.0 L |
| Tank runtime | 23.8 hr |
Engine
| Oil capacity | 10.4 L |
|---|---|
| Coolant capacity | 17.0 L |
| Displacement | 2.18 L |
| Aspiration | Liquid cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Isuzu 4LE2TAGV-03| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace Air Filter Element | — | 250 hr | ||
| Fuel filter | Fuel filter with replaceable element | 69858 | 500 hr | Amazon $21.83 eBay $21.83 FridayParts $36.28 | |
| Oil filter | Full flow oil filter, spin on type | 670570304 | 1000 hr | Amazon eBay $16.89 PartsGeek $7.98 FridayParts $20.19 | |
| Battery | Clean Battery | — | 1000 hr | ||
| Belt | Check Fan Belt Tension (Replace If Necessary) | — | 1000 hr | ||
| Coolant | Check Coolant Level | — | 250 hr | ||
| Oil | Check Oil Level | — | 250 hr | ||
| Spark plug | Replace Air Filter Element | — | 1000 hr |
Compatible filters for the Isuzu 4LE2TAGV-03 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: Generac OE3557 Generac OE3656 Isuzu 8972319000 Isuzu 5864014350 Isuzu 8972599390
Common questions
Which engine powers the Generac MLG20IF4?
The Generac MLG20IF4 is powered by the Isuzu 4LE2TAGV-03 engine.
Is the Generac MLG20IF4 diesel or gas?
The Generac MLG20IF4 runs on Diesel.
What's the oil capacity on a Generac MLG20IF4?
The Isuzu 4LE2TAGV-03 engine in the Generac MLG20IF4 has an oil capacity of 10.4 liters.
What oil filter fits the Generac MLG20IF4?
The Generac MLG20IF4 uses oil filter part number 670570304.
What fuel filter does the Generac MLG20IF4 use?
The Generac MLG20IF4 uses fuel filter part number 69858.
What air filter does the Generac MLG20IF4 use?
The Generac MLG20IF4 uses air filter part numbers GENERAC OE3557, GENERAC OE3656.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 01035 | Central Lift Point | Central lift point | Amazon eBay | |
| 01144 | Controller | Controller | Amazon eBay | |
| 90243 | Air Filter Element | Air filter | Amazon eBay | |
| 209649 | Form: SFC626B | 1 | 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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 7.8 | 3.5 | |
| Prime | 50% | 3.97 | 1.44 |
| Prime | 75% | 5.98 | 2.16 |
| Prime | 100% | 7.8 | 3.5 |