Service parts for the 20REOZT
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
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 |
| Standby power | 23 kW |
| Standby kVA | 29 |
| Prime power | 21 kW |
| Controller | DECISION-MAKER 1000 |
| Oil capacity | 6.5 L |
| Alternator | Leroy-Somer LSA422S5 (4-pole, Class IP23 insulation) |
Engine
| Oil capacity | 6.5 L |
|---|---|
| Coolant capacity | 6.0 L |
| Displacement | 2.5 L |
| Aspiration | Naturally aspirated |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Mitsubishi S4Q2-Y362SD| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dusty air filter assembly | 30801032101NE | Amazon eBay | ||
| Fuel filter | Every 250 Service Hours or once a year | D070001 | 500 hr | Amazon eBay $50.61 KuduParts $17.00 | |
| Oil filter | Oil filter | 330170272 | Amazon eBay | ||
| Battery | Battery | — | 100 hr | ||
| Belt | Belt | 330170365 | Amazon $35.00 eBay FridayParts $15.00 | ||
| Coolant | Long Life Coolant (LLC) | — | 2 hr | ||
| Oil | Long Life Coolant (LLC) | — | 500 hr | ||
| Spark plug | N/A | — |
Common questions
What is the power rating of the Kohler 20REOZT?
The Kohler 20REOZT is rated 23 kW standby (29.0 kVA).
What engine is in the Kohler 20REOZT?
The Kohler 20REOZT is powered by the Mitsubishi S4Q2-Y362SD engine.
What fuel does the Kohler 20REOZT use?
The Kohler 20REOZT runs on Diesel.
What's the oil capacity on a Kohler 20REOZT?
The Mitsubishi S4Q2-Y362SD engine in the Kohler 20REOZT has an oil capacity of 6.5 liters.
What alternator comes on the Kohler 20REOZT?
The Kohler 20REOZT uses a Leroy-Somer LSA422S5 alternator. It has 4 poles. Insulation class IP23.
What oil filter fits the Kohler 20REOZT?
The Kohler 20REOZT uses oil filter part number 330170272.
What fuel filter fits the Kohler 20REOZT?
The Kohler 20REOZT uses fuel filter part number D070001.
What air filter fits the Kohler 20REOZT?
The Kohler 20REOZT uses air filter part number 30801032101NE.
Parts
21| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 30801032101NE | Dusty air filter assembly | 1 | Air filter | Amazon eBay |
| 31101077801NK | Coolant temp. and oil pressure sender assembly | 1 | Sensor | Amazon |
| 31810015101NK | Oil drain pump assembly | 1 | Pump | Amazon |
| 330170272 | Oil filter | 1 | Oil filter | Amazon eBay |
| 330170365 | Belt | 1 | Belt | Amazon $35.00 eBay FridayParts $15.00 |
| 330170377 | Thermostat | 1 | Thermostat | Amazon eBay |
| 330170513 | Water pump | 1 | Pump | Amazon FridayParts $54.00 |
| 330170581 | Oil pump | 1 | Pump | Amazon |
| 330170614 | Water pump gasket | 1 | Gasket | Amazon |
| 330170777 | Exhaust gasket | 1 | Gasket | Amazon |
| 330170780 | Gasket | 1 | Gasket | Amazon |
| 330170844 | Gasket | 1 | Gasket | Amazon |
| 330171211 | Gasket | 1 | Gasket | Amazon eBay |
| 330171484 | Durit | 1 | Hose | Amazon |
| 330171571 | Gasket | 1 | Gasket | Amazon |
| 330171575 | Gasket | 1 | Gasket | Amazon |
| 330171692 | Durit | 1 | Hose | Amazon |
| 330171942 | Lower Durit | 1 | Hose | Amazon |
| 330171943 | Upper radiator Durit | 1 | Hose | Amazon |
| 330910098 | Coolant GENCOOL (20L) | 0.3 | Fluid | Amazon eBay |
| 330910115 | Oil GENLUB TDX 20L | 0.33 | Fluid | 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 | 50% | 4.1 | 1.1 |
| Prime | 75% | 5.4 | 1.4 |
| Prime | 100% | 7.2 | 1.9 |