The Wacker Neuson Oil Alert is a genuine OEM engine protection component designed for a range of Wacker Neuson walk-behind concrete trowels, centrifugal trash pumps, diaphragm pumps, and gasoline power units for internal vibrators. This includes the CT36BDT and CT48BDT walk-behind trowel series, the PT2B and PT3B centrifugal trash pumps, the PD3B diaphragm pump, and the B 3000 and B 5000 gasoline power units. As a genuine OEM part, the is produced to the same specification as the original component installed at the factory, ensuring proper sensor response and dependable low-oil shutdown behavior across every compatible application.
Key Features
- Accurate Low-Oil Detection: — Triggers engine shutdown at the correct oil level threshold, preventing the kind of oil starvation damage that can destroy a gasoline engine mid-operation.
- Genuine OEM Sensor Specification: — Manufactured to the exact resistance and actuation spec of the original part, so the sensor responds correctly — not too early, not too late.
- Direct Swap Installation: — Matches the original mounting configuration and connector, making replacement straightforward without adapting fittings or wiring.
- Broad Cross-Family Fitment: — Compatible with CT36BDT and CT48BDT walk-behind trowels, PT2B and PT3B trash pumps, PD3B diaphragm pump, and B 3000 / B 5000 gasoline power units for internal vibrators.
- Engine Protection You Can Count On: — A functioning Oil Alert is the last line of defense against catastrophic engine seizure; a failed or missing sensor leaves the engine with no low-oil protection at all.
- Fuel System & Engine Safety Compliance: — Correct oil alert operation is essential for safe, code-compliant use of gasoline-powered equipment on regulated worksites.
The Oil Alert is a low-oil pressure or level sensor that monitors the engine's oil supply during operation. When oil drops below a safe threshold, the sensor signals the engine to shut down automatically before internal components can seize or sustain serious damage. A worn, faulty, or missing Oil Alert leaves the engine completely unprotected against oil starvation — a condition that can cause irreparable damage in a matter of minutes. Replacing a failed sensor with the correct OEM part restores that protection and keeps gasoline-powered equipment running safely.
Part Details
| Part Number | 5000075442 |
|---|---|
| Old Part Number | 0075442 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Alert |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 50mm/2in Centrifugal Trash Pum p | PT2B | 5000006722 |
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| Gasoline Power Unit for Intern al Vibrator | B 3000 | 5000005829 |
| Gasoline Power Unit for Intern al Vibrator | B 5000 | 5000007522, 5000006307 |
| 915mm/36in Walk-behind Trowel | CT36BDT-E | 5000008010 |
| 75mm/3in Centrifugal Trash Pum p | PT3B | 5000006731 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
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.