Service parts for the ES799
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | natural gas |
|---|---|
| Standby power | 1 kW |
Maintenance & consumables
for the K161| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | K&N low restriction element in production filter housing | E-4655 | Amazon eBay | ||
| Fuel filter | Fuel Filter | 801112 | Amazon eBay | ||
| Oil filter | Oil Filter | 801111 | Amazon $69.06 eBay $107.90 | ||
| Battery | — | 150 hr | |||
| Belt | — | 300 hr | |||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | Resolute brand non-detergent 30 weight oil | 4.0 quarts | — | 50 hr | |
| Spark plug | — | 200 hr |
Common questions
What is the power rating of the Kohler ES799?
The Kohler ES799 is rated 1 kW standby.
What engine does the Kohler ES799 use?
The Kohler ES799 is powered by the K161 engine.
What kind of fuel does the Kohler ES799 run on?
The Kohler ES799 runs on natural gas.
Which oil filter part number does the Kohler ES799 take?
The Kohler ES799 uses oil filter part number 801111.
What fuel filter fits the Kohler ES799?
The Kohler ES799 uses fuel filter part number 801112.
What air filter does the Kohler ES799 use?
The Kohler ES799 uses air filter part number E-4655.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| No build-up. | L Open circuit between battery and field. l Battery discharged. | *Make correct connections. *l Charge battery. |
| Generator output erratic. | L Regulator sensing terminals not connected properly. | *Check terminals 5 and 6 (120 V. connection) or terminals 5 and 7 (240 V. connection). *l Correct connections. |
| Badly worn, dirty or improperly seated brushes. | *Replace, clean or reseat brushes. | |
| S1 to terminal t3 on regulator open. | *Correct connections. | |
| Dirty commutator. | *Clean commutator. | |
| Choke heater circuit failure | The choke valve could ‘stick’ the air cleaner | Check the Ohm value of the resistor with a Volt-Ohmmeter. If faulty and allows higher voltage, it could cause the choke for starting |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Kohler ES799 troubleshooting guide (17 entries) →
Parts
33| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 235838 | Stellite exhaust valve | 1 | Exhaust valve | Amazon eBay $33.29 |
| 240705-S | SPARK PLUG | 1 | Spark plug | Amazon eBay $79.00 |
| 45-067-16 | Kohler K341 crankshaft (standard crankpin diameter) | Crankshaft | Amazon eBay | |
| 45-067-18 | Kohler K341 crankshaft (.010 under crankpin diameter) | Crankshaft | Amazon eBay | |
| 47-874-18 | Kohler piston (D style, .010 oversize) | Piston | Amazon eBay | |
| 691163 | Oil Pump, Cam On LH Side (RH Pump Gear Helix) | 1 | Pump | Amazon eBay |
| 691165 | Oil Pump Strainer: X363 | 1 | Pump | Amazon eBay |
| 691166 | Oil Pump Strainer: X370 | 1 | Pump | Amazon eBay |
| 801111 | Oil Filter | 1 | Oil filter | Amazon $69.06 eBay $107.90 |
| 801112 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 891164 | Fuel Pump | 1 | Pump | Amazon eBay |
| 891166 | Thermostat (160 Degree) | 1 | Thermostat | Amazon eBay |
| E-4655 | K&N low restriction element in production filter housing | 1 | Air filter | Amazon eBay |
| 191257 | STD Piston Assembly | 6 | Service part / kit | Amazon eBay |
| 191258 | .020 Piston Assembly | 6 | Service part / kit | Amazon eBay |
| 191259 | .030 Piston Assembly | 6 | Service part / kit | Amazon eBay |
| 191261 | .040 Piston Assembly | 6 | Service part / kit | Amazon eBay |
| 191262 | .060 Piston Assembly | 6 | Service part / kit | Amazon eBay |
| 191263 | STD Piston Ring Set (1-3/32 1-1/8 1-3/16) | 6 | Service part / kit | Amazon eBay |
| 191264 | .020 Piston Ring Set (1-3/32 1-1/8 1-3/16) | 6 | Service part / kit | Amazon eBay |
| 191265 | .030 Piston Ring Set (1-3/32 1-1/8 1-3/16) | 6 | Service part / kit | Amazon eBay |
| 191266 | .040 Piston Ring Set (1-3/32 1-1/8 1-3/16) | 6 | Service part / kit | Amazon eBay |
| 191267 | STD Piston Ring Set (1-3/32 1-1/8 2-3/16) | 6 | Service part / kit | Amazon eBay |
| 191268 | .020 Piston Ring Set (1-3/32 1-1/8 2-3/16) | 6 | Service part / kit | Amazon eBay |
| 401134 | Intake Valve Seat | 6 | Service part / kit | Amazon eBay |
| 491261 | Rocker Arm | 12 | Service part / kit | Amazon eBay |
| 491262 | Rocker Arm Adjusting Screw | 12 | Service part / kit | Amazon eBay |
| 491263 | Rocker Arm Shaft | 2 | Service part / kit | Amazon eBay |
| 491266 | Rocker Arm Shaft Spring | 6 | Service part / kit | Amazon eBay |
| 591163 | Crank Gear | 1 | Service part / kit | Amazon eBay |
| 591184 | Push Rod | 12 | Service part / kit | Amazon eBay |
| 591187 | Cam Gear | 1 | Service part / kit | Amazon eBay |
| 691168 | Oil Pressure Regulator | 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.