The Wacker Neuson Starter Switch is a genuine OEM component designed for the LT4Z, LTP4Z, LTW4Z, LTWP4Z, LTW6Z, LT4SZ, and LTP4SZ series light towers. As a direct OEM replacement, the is manufactured to the same specification as the original part, ensuring correct fitment and consistent operation across the supported light tower lineup. Sourced directly through authorized Wacker Neuson supply channels, this starter switch is the right call when you need a part that installs correctly the first time and performs as intended.
Key Features
- Genuine OEM Switching Spec: — Matched to the correct actuation force, contact rating, and circuit configuration for Wacker Neuson light tower ignition systems — no guesswork on electrical compatibility.
- Drop-In Fitment: — Replaces the original switch using the existing mounting position and wiring connections on supported LT4Z, LTP4Z, LTW4Z, LTWP4Z, LTW6Z, LT4SZ, and LTP4SZ light towers.
- Broad Series Coverage: — A single part number covers multiple LT4Z and LTW-series configurations, making it a practical stock item for fleets running mixed light tower models.
- Keeps the Engine Starting Reliably: — A worn or faulty starter switch can cause intermittent no-start conditions or prevent the tower from powering up on site — replacing it restores dependable ignition control.
- Electrical Safety Assurance: — As a key component in the engine start circuit, using a correctly rated OEM switch helps prevent unintended starts, circuit faults, and wiring damage caused by an out-of-spec replacement.
The starter switch is the operator-facing control that completes the ignition circuit to crank and start the light tower's engine. When the switch is activated, it sends the signal that engages the starter motor and initiates the engine start sequence. A failing starter switch can produce symptoms ranging from a completely unresponsive start circuit to intermittent or erratic starting behavior — both of which take a light tower out of service when site illumination is needed most. Replacing a worn switch with a correct OEM unit restores full, predictable control over the engine start system.
Part Details
| Part Number | 5000089842 |
|---|---|
| Old Part Number | 0089842 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Starter Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Tower | LT4Z | 5000007635, 5000007689, 5000009080, 5000009226 |
| Light Tower | LTP4Z | 5000007636, 5000008063, 5000009227 |
| Light Tower | LTW4Z | 5000008064 |
| Light Tower | LTWP4Z | 5000008065 |
| Light Tower | LTW6Z | 5000008068 |
| Light Tower | LT4SZ | 5000007637 |
| Light Tower | LTP4SZ | 5000007638 |
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.
