Wacker Neuson 5000406767 Oil Alert

The Wacker Neuson Oil Alert is a genuine OEM component designed for MG5 portable generators, MDP3 trash pumps, MPU 29 reversible plates, and ML440 light towers. As a direct factory replacement, this part carries the same specifications as the original, ensuring it integrates correctly with the engine protection system across all covered models. Wacker Neuson genuine OEM parts are manufactured to meet the exact standards of the original equipment, making the a dependable choice when restoring your machine to proper operating condition. Compatibility spans a broad range of MG5, MG5sd, MG5d, MDP3, MPU 29, and ML440 series units, so verify your model number before ordering.

Key Features

• Genuine OEM Sensor Integrity — Manufactured to Wacker Neuson's original electrical and trigger specifications, so the low-oil shutdown activates at the correct oil level threshold every time.
• Drop-In Engine Protection Fit — Engineered as a direct replacement that connects to the existing wiring harness and mounting point without adaptation, restoring the circuit immediately.
• Wide Model Coverage — Compatible across MG5, MG5sd, MG5d portable generators, MDP3 trash pumps, MPU 29 reversible plates, and ML440 multifunction light towers.
• Protects Against Catastrophic Engine Failure — A correctly functioning oil alert cuts engine power before dangerously low oil levels cause seized pistons or scored cylinder walls, preserving the entire power unit.
• Critical Safety Shutdown Compliance — Restoring a failed oil alert ensures the machine's automatic low-oil shutoff system operates as intended, meeting the safety design requirements built into the original equipment.

An oil alert is a low-oil detection switch that monitors the engine's oil level and triggers an automatic shutdown if the level drops below a safe operating threshold. It acts as the engine's last line of defense against oil starvation, which can cause irreversible internal damage within seconds of running dry. When an oil alert fails or becomes faulty, the engine loses that automatic protection — meaning a slow oil leak or routine oil consumption can go undetected and result in complete engine seizure.

Part Details

Compatibility & Fitment

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.