The Wacker Neuson Thermostat is a genuine OEM Thermostat designed for the G150, G180, and G230 generator series, including Standard, Cold Weather, Custom, and Tier 4 Final configurations as well as Transport Canada-compliant mobile generator variants. As a factory-sourced component, this part meets the exact specifications Wacker Neuson requires for proper engine temperature management across all covered configurations. Whether you're servicing a G150 T4 Final unit or a G230 Mobile Generator, part ensures a direct, verified fit with no guesswork. Cross-reference your machine's model and serial number against the fitment list to confirm compatibility before ordering.
Key Features
- OEM-Calibrated Opening Temperature — Genuine Wacker Neuson part engineered to open and close at the precise coolant temperature thresholds required by the G150, G180, and G230 engine systems, not approximated to a general range.
- Drop-In Housing Compatibility — Designed to seat directly into the factory thermostat housing with the original gasket interface, so installation follows the standard service procedure without modification to surrounding components.
- Broad Generator Series Coverage — Fits G150, G180, and G230 generators across Standard, Cold Weather, Custom, Tier 4 Final, and Transport Canada mobile configurations — one part number covering a wide range of job-spec builds.
- Consistent Engine Operating Temperature — A properly functioning thermostat keeps the engine in its optimal temperature window, supporting full power output, fuel efficiency, and protection against overheating or prolonged cold running.
- Thermal Runaway Protection — A failed or stuck-open thermostat on a generator under load can allow engine temperatures to climb unchecked. Replacing with the correct OEM part restores the thermal regulation that protects internal engine components.
The thermostat is a temperature-activated valve in the engine's cooling circuit. When the engine is cold, it stays closed, directing coolant away from the radiator so the engine reaches operating temperature quickly. Once the coolant hits the correct temperature, the thermostat opens and allows flow through the radiator to prevent overheating. A thermostat that sticks closed will cause the engine to overheat and shut down; one that sticks open will keep the engine running too cool, leading to increased wear, poor fuel combustion, and higher emissions — particularly problematic on Tier 4 Final-compliant machines where emission controls depend on consistent operating temperatures.
Part Details
| Part Number | 5200024885 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermostat |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G180 Generator, Custom T4 | G180 | 5200010140, 5200010138, 5200010139, 5100015615, 5100045089, 5100045575, 5100045576, 5100045590, 5100045591, 5100045592, 5100049844, 5100049845 |
| G150 Generator, Standard T4 | G150 | 5200010135, 5200010136, 5200010137 |
| G230 Generator, Standard T4 | G230 | 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847 |
| G150 Generator,Hertz,T4 Final | G150 Generator,Hertz,T4 Final | 5100015616 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
