The Wacker Neuson Oil Pressure Sensor is a genuine OEM component designed for the LTW6K and LTW8K light tower series and the RD27 ride-on tandem roller series. Sourced directly from Wacker Neuson, this sensor meets the exact specifications of the original part it replaces, ensuring accurate oil pressure monitoring across all covered configurations. Fitment spans a wide range of LTW6K and LTW8K variants — including Standard T4, Custom T4, Cold Weather T4, and V-series models — as well as RD27-100 and RD27-120 tandem rollers in Pro, Basic, and standard configurations. Always cross-reference your machine's model number and serial number before ordering to confirm compatibility.
Key Features
- OEM-Accurate Signal Output — Manufactured to the original electrical resistance and pressure threshold specifications, so the engine control system receives the correct readings it was calibrated to expect.
- Direct Drop-In Replacement — Matches the original sensor's thread pitch, connector type, and mounting orientation, allowing straightforward installation without modification.
- Broad Fitment Coverage — Compatible with LTW6K and LTW8K light towers across Standard, Custom, Cold Weather, and V-series configurations, and with RD27-100 and RD27-120 tandem rollers across multiple production variants.
- Protects Against Undetected Low-Oil Conditions — A correctly functioning sensor triggers warnings before oil pressure drops to damaging levels; a failed or inaccurate sensor can mask critical low-pressure events and lead to engine damage.
- Engine Shutdown Safety Compliance — On Wacker Neuson light towers and tandem rollers, the oil pressure sensor feeds the automatic engine protection circuit; an OEM-spec sensor ensures this safety system responds as intended.
The oil pressure sensor monitors the lubrication pressure inside the engine and sends a continuous electrical signal to the machine's control system. When oil pressure falls below the safe operating threshold, the sensor triggers a warning or initiates an automatic engine shutdown to prevent internal damage. If the sensor fails or drifts out of calibration, the engine may shut down unexpectedly under normal pressure, or — more critically — fail to shut down when pressure genuinely drops, leaving the engine unprotected. Replacing a faulty sensor with a genuine OEM part restores the accuracy the engine protection system depends on.
Part Details
| Part Number | 5000089799 |
|---|---|
| Old Part Number | 0089799 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Pressure Sensor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTW6K Light Tower, Standard T4 | LTW6K | 5000620372, 5000620840, 5200004094, 5200024870 |
| LTW8K Light Tower, Standard T4 | LTW8K | 5000620374, 5000620841, 5200004204, 5200004095, 5200023190, 5200024871 |
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200014868, 5200023554, 5200023556, 5200005876, 5200021387 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014869, 5200014922, 5200014923, 5200023555, 5200023557, 5200024441, 5200005877, 5200021389 |
| LTW6K-V S Light Tower, Cold Weather T4 | LTW6K-V S | 5200018563, 5200018555, 5200018559, 5200024873 |
| LTW8K-V S Light Tower, Cold Weather T4 | LTW8K-V S | 5200018564, 5200018556, 5200023194, 5200018560, 5200024874, 5100015095, 5100022084 |
| Light Tower | LTW6K-V | 5200012864, 5200012868, 5200012882 |
| Light Tower | LTW8K-V | 5200012869, 5200012883, 5200012865 |
| Light Tower | LT4K | 5000007620 |
| Light Tower | LTP4K | 5000007621 |
| Light Tower | LT4Z | 5000007635, 5000007689, 5000009080, 5000009226 |
| Light Tower | LTP4Z | 5000007636, 5000008063, 5000009227 |
| Light Tower | LTW4Z | 5000008064 |
| Light Tower | LTWP4Z | 5000008065 |
| Light Tower | LTW4K | 5000008066 |
| Light Tower | LTWP4K | 5000008067 |
| Light Tower | LTW6Z | 5000008068 |
| Light Tower | LT4SK | 5000007622 |
| Light Tower | LTP4SK | 5000007623 |
| Light Tower | LT4SZ | 5000007637 |
| Light Tower | LTP4SZ | 5000007638 |
| HIF 690 Flameless Air Heater | HIF690 | 5100017599, 5200021915 |
| Light Tower | LTV6K | 5100039424 |
| Light Tower | LTV8K | 5100039425 |
| Engine | Engine | 5100044890 |
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.