The Wacker Neuson Oil Switch is a genuine OEM component designed for the LTN4Y and LTN5Y light tower series, as well as the APT4S and APT4T pump series. As a direct OEM replacement sourced from Wacker Neuson, this part carries the same specifications as the switch fitted at the factory, ensuring accurate integration with your machine's engine protection system. Compatibility spans a broad range of configurations across these families, including cold weather, surge brake, electric brake, and skid-mounted variants.
Key Features
- Genuine OEM Switching Accuracy — Manufactured to Wacker Neuson's exact pressure threshold specifications, so the switch opens and closes the circuit at precisely the right oil pressure level — no calibration guesswork.
- Drop-In Electrical and Thread Compatibility — Matches the original connector type and port threading, allowing straightforward installation without adapters or rework.
- Broad Series Coverage — Fits a wide range of LTN4Y and LTN5Y light tower variants and APT4S and APT4T pump configurations, including standard, cold weather, surge brake, and electric brake models.
- Engine Protection You Can Count On — A correctly functioning oil switch enables the engine shutdown system to respond to low oil pressure before internal damage occurs — a worn or failed switch removes that layer of protection entirely.
- Electrical Safety Compliance — As a pressure-triggered safety switch wired into the engine's protective circuit, using a genuine OEM part ensures the shutdown response meets Wacker Neuson's designed operating parameters — critical for both equipment integrity and operator safety.
An oil switch monitors engine oil pressure and signals the machine's control system when pressure drops below a safe operating threshold. On light towers and pump units like those in the LTN and APT series, this switch acts as a first line of defense against engine damage caused by oil starvation — triggering an automatic shutdown before internal components are harmed. When the switch fails or reads inaccurately, the engine loses that protection and may continue running under damaging conditions, or it may shut down unnecessarily, interrupting operation without a genuine pressure fault.
Part Details
| Part Number | 5200020088 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Switch |
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 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
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.
