The Wacker Neuson 5200017703 is a genuine OEM Oil Pressure Switch designed for G25 and G50 portable generators and LTW20Z series light towers across a wide range of Tier 4 Final configurations. Sourced directly from Wacker Neuson, this switch is manufactured to the exact specification required for proper engine protection on these units. It fits Standard, Custom, Cold Weather, Extended Run, URI HVAC, Hertz, and 600V Mobile variants within the G25 and G50 generator families, as well as LTW20Z-1 and LTW20Z-3 light towers in Standard, Cold Weather, and Custom configurations. When your machine demands a verified, drop-in replacement, part number 5200017703 is the correct choice.
Key Features
- Genuine OEM Sensing Accuracy — Manufactured to Wacker Neuson's original pressure threshold specification, ensuring the switch opens and closes at the correct oil pressure values for these generator and light tower engines.
- Direct-Connect Replacement — Matches the original electrical connector, thread pitch, and port size, allowing straightforward removal of the old switch and installation of 5200017703 without modification to wiring or fittings.
- Broad Family Coverage — A single part number covers G25 and G50 generators and LTW20Z-1 and LTW20Z-3 light towers across Standard, Cold Weather, Extended Run, URI HVAC, Hertz, Custom, and 600V Mobile configurations.
- Critical Engine Shutdown Protection — A functioning oil pressure switch triggers an automatic shutdown before low oil pressure causes internal engine damage; a failed switch leaves the engine running unprotected or prevents it from starting at all.
- Safety-Critical Fuel System Interlock — Because this switch directly governs engine shutdown behavior, using a correctly rated OEM part is essential to maintaining the machine's automatic protection system as designed.
The oil pressure switch monitors engine oil pressure in real time and sends a signal to the machine's control system. When oil pressure drops below a safe threshold — due to low oil level, a failing pump, or a blockage — the switch triggers an automatic engine shutdown to prevent catastrophic internal damage. A switch that fails open can cause the engine to shut down unexpectedly under normal operating pressure, while one that fails closed will allow the engine to continue running even when pressure is dangerously low, risking seized bearings or complete engine failure.
Part Details
| Part Number | 5200017703 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Pressure Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G25 Generator,Battlefield T4 | G25 | 5200009376, 5200009372, 5200009370, 5200009371, 5200009373, 5200009377, 5200009375, 5200009374, 5100041584, 5200022587, 5100045084, 5100041592, 5100041580, 5100017591, 5100041582, 5100050326, 5100041583, 5100045541, 5100041581, 5100045542 |
| G50 Generator, Custom T4F | G50 | 5200014322, 5200014319, 5200014323, 5200014320, 5200022589, 5200017829, 5200017830, 5100042434, 5100042435, 5100042430, 5100045494, 5100045085, 5100042431, 5100042433, 5100045493, 5100042432 |
| LTW20Z1, LED | LTW20Z1 | 5100051572, 5100051571, 5200014324, 5200014326, 5200018239, 5200014328 |
| LTW20Z-3 Light Tower, Cold Weather T4 | LTW20Z3 | 5200014327, 5200023604, 5200014325, 5200014329 |
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.