The Wacker Neuson is a genuine OEM Temperature Switch designed for the LTW20Z-1 and LTW20Z-3 series light towers, including standard, cold weather, custom, and Tier 4i variants. As a direct OEM replacement, the is manufactured to the exact specifications required by Wacker Neuson, ensuring proper integration with the engine protection system on Isuzu-powered LTW20Z platforms. This part also fits select G20 mobile generator configurations. Verify your machine number against the fitment list to confirm compatibility before ordering.
Key Features
- Genuine OEM Switching Accuracy — Built to the precise activation threshold required by Wacker Neuson, so the engine protection system responds at the correct temperature — not too early, not too late.
- Drop-In Electrical Compatibility — Matches the OEM connector, thread pitch, and sensing range of the original switch for a straight swap with no wiring adaptation.
- Broad LTW20Z Series Coverage — Fits LTW20Z-1, LTW20Z-1-V, LTW20Z-1-V S, LTW20Z-3, LTW20Z-3-V, and LTW20Z-3-V S variants, including cold weather and Tier 4i builds, plus select G20 mobile generators.
- Protects the Isuzu Engine From Thermal Damage — A correctly functioning temperature switch triggers an automatic shutdown before coolant temperatures reach a damaging level, protecting the engine from costly overheating failures during extended light tower operation.
- Critical Safety Component — This switch is part of the machine's engine protection circuit; using an out-of-spec or failed switch can result in undetected overheating, making OEM-grade accuracy essential on this part type.
A temperature switch monitors engine coolant or oil temperature and sends a signal — or cuts power — when that temperature exceeds a safe operating threshold. On the LTW20Z light tower, this switch is a key part of the automatic shutdown system that protects the Isuzu engine during long unattended runtime cycles. When the switch fails or drifts out of calibration, the machine may either shut down unnecessarily during normal operation or, more critically, fail to shut down when a genuine overheat condition occurs — leaving the engine exposed to serious internal damage.
Part Details
| Part Number | 5000173816 |
|---|---|
| Old Part Number | 0173816 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Temperature Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTW20Z-1, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z1 | 5000620842, 5000620375, 5200004205, 5200004096, 5200023191, 5200024872 |
| LTW20Z-3, LIGHT TOWER 60HZ, ISUZU TIER 4i | LTW20Z3 | 5000620376, 5000620843, 5200003583, 5200004097, 5200023192 |
| LTW20Z3-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z3-V S | 5200018566, 5200018558, 5200018562, 5200023196, 5100015094, 5100022126 |
| LTW20Z1-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z1-V S | 5200018565, 5200018557, 5200018561, 5200024875, 5200023195, 5100015093, 5100022125 |
| Light Tower | LTW20Z3-V | 5200012881, 5200012885, 5200012867, 5200022694 |
| Light Tower | LTW20Z1-V | 5200012880, 5200012884, 5200012866 |
| Mobile Generator | G20 | 5200016628, 5200022625 |
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.
