The Wacker Neuson Thermostat is a genuine OEM Thermostat designed for the LTN4Y and LTN5Y series light towers, including variants such as the LTN4Y SA, LTN4Y RH, LTN5Yp, LTN5Ypa, LTN5Yp HD, LTN5Ypk, and regional configurations. As a direct OEM replacement sourced through authorized Wacker Neuson supply channels, this Thermostat is built to the same specification as the original component installed at the factory. Proper engine temperature regulation is critical to the long-term health of your light tower, and this part restores that function accurately and without guesswork. Confirm your model number before ordering — this Thermostat covers a broad range of LTN4Y and LTN5Y configurations, making it a go-to replacement across the entire series.
Key Features
- Calibrated to OEM Spec — Opens and closes at the correct temperature threshold for the LTN4Y and LTN5Y engine cooling system, ensuring accurate thermal regulation rather than an approximated aftermarket tolerance.
- Genuine OEM Part — Supplied as an authentic Wacker Neuson component under part number 5100075835, carrying the same design and material specification as the original.
- Drop-In Replacement — Designed to seat directly into the existing thermostat housing with no modification to mounting, sealing, or coolant routing required.
- Broad LTN Series Coverage — Fits LTN4Y, LTN4Y SA, LTN4Y RH, LTN4Y 60Hz, LTN4Y 120V/60Hz, LTN5Y, LTN5Yp, LTN5Ypa, LTN5Yp HD, LTN5Ypk, LTN5Y CH, and LTN5Y UK variants.
- Protects the Engine from Thermal Damage — A failed thermostat causes the engine to run cold, overheat, or cycle erratically — replacing it promptly preserves engine efficiency and prevents costly downstream damage.
- Cooling System Integrity — Using an OEM-calibrated thermostat maintains the correct operating temperature range, which directly affects fuel combustion efficiency and engine longevity on your light tower.
A thermostat is a temperature-sensitive valve positioned within the engine's cooling circuit. Its job is to block coolant flow through the radiator when the engine is cold — allowing it to warm up quickly to its ideal operating temperature — and then open to allow coolant circulation once that threshold is reached. When a thermostat sticks open, the engine runs too cool and burns fuel inefficiently; when it sticks closed, coolant cannot circulate and the engine overheats rapidly. On light towers like the LTN4Y and LTN5Y series, where the engine runs for extended periods under load, a correctly functioning thermostat is essential to stable, efficient operation.
Part Details
| Part Number | 5100075835 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermostat |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN5Yp | LTN5Yp | 5100069549 |
| LTN5Y SA | LTN5Y SA | 5100069548 |
| LTN4Y | LTN4Y ME | 5100069545 |
| LTN4Y 60 Hz | LTN4Y 60Hz | 5100069546 |
| LTN4Y SA | LTN4Y SA | 5100069547 |
| LTN4Y | LTN4Y | 5100073603 |
| LTN5Ypk | LTN5Ypk | 5100077880 |
| LTN4Y RH | LTN4Y RH | 5100077620 |
| LTN5Yp HD | LTN5Yp HD | 5100079429 |
| LTN5Y | LTN5Y | 5100069550 |
| LTN5Ypa | LTN5Ypa | 5100069551 |
| LTN5Y CH | LTN5Y CH | 5100069552 |
| LTN5Y UK | LTN5Y UK | 5100069553 |
| LTN4Y 120V/60Hz | LTN4Y 120V/60Hz | 5100075978 |
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.
