Wacker Neuson 5000089807 Auto Shutdown Solenoid

The Wacker Neuson Auto Shutdown Solenoid is a genuine OEM component designed for the LT4K, LTP4K, LTW4K, LTWP4K, LT4SK, and LTP4SK series light towers. As a direct OEM replacement, part is manufactured to the same specifications as the original, ensuring a correct, trouble-free installation with no guesswork on fitment. This solenoid is an essential safety and control component — when it functions correctly, it allows the engine to shut down automatically under fault conditions, protecting the machine from damage. If you are experiencing unexpected engine runaway or a unit that fails to shut off as commanded, replacing the auto shutdown solenoid is a critical first step.

Key Features

• Genuine OEM Electrical Spec: — Manufactured to the original resistance and actuation tolerances required for reliable automatic shutdown control on Wacker Neuson light tower engines.
• Direct-Fit Replacement: — Connects to the existing wiring harness and mounting position as the original unit, allowing for a straightforward swap during service.
• Broad Light Tower Fitment: — Compatible with LT4K, LTP4K, LTW4K, LTWP4K, LT4SK, and LTP4SK light towers, covering a wide range of the 4K-series lineup.
• Engine Protection Restored: — A properly functioning auto shutdown solenoid ensures the engine responds immediately to fault signals, preventing damage from low oil pressure, overheating, or operator shutoff commands.
• Safety-Critical Function: — Because this solenoid directly controls engine shutdown, using a genuine OEM part with correct electrical characteristics is essential to ensure the protection system operates as designed.

The auto shutdown solenoid controls the fuel supply to the engine by physically opening or closing the fuel circuit in response to an electrical signal. When the machine detects a fault condition — such as low oil pressure or an operator-initiated stop — the solenoid cuts fuel flow to bring the engine to a halt. A failed or worn solenoid can result in the engine refusing to start, failing to shut down when commanded, or leaving the machine unprotected against fault conditions that could cause serious internal engine damage.

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.

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