The Wacker Neuson Glow Plug Timer is a genuine OEM component designed for the LT4K, LTP4K, LTW4K, LTWP4K, LT4SK, and LTP4SK series light towers. As a direct OEM replacement, this part is sourced from Wacker Neuson and built to the same specification as the original, ensuring a correct installation with no guesswork. Confirmed fitment spans the full range of these diesel-powered portable light tower models, making it straightforward to verify compatibility before ordering.
Key Features
- Genuine OEM Timing Accuracy — Manufactured to the exact electrical specification of the original, ensuring the glow plug preheat cycle engages at the correct duration and voltage for reliable cold-weather diesel starts.
- Direct-Fit Replacement — Engineered to plug directly into the existing wiring harness of compatible Wacker Neuson light towers, matching the original connector and mounting configuration.
- Broad Light Tower Compatibility — Confirmed fitment across six tower models: LT4K, LTP4K, LTW4K, LTWP4K, LT4SK, and LTP4SK, covering a wide range of Wacker Neuson portable lighting equipment.
- Protects Engine Start Performance — A correctly functioning glow plug timer delivers the precise preheat interval the diesel engine needs; a failed timer leads to hard starts, excessive cranking, and premature wear on starter components.
- Fuel System Safety Compliance — Using a correctly rated OEM timer prevents under- or over-energizing the glow plugs, reducing the risk of fuel system stress and uncontrolled combustion on startup.
The glow plug timer controls how long the glow plugs are energized before and during engine cranking on a diesel-powered light tower. It sends a timed electrical signal that heats the glow plugs to the temperature needed for reliable ignition — particularly important in cold ambient conditions where diesel fuel is slow to combust. When the timer fails or delivers an incorrect preheat duration, the engine becomes difficult or impossible to start, and repeated failed start attempts can drain the battery and accelerate wear on the starter motor.
Part Details
| Part Number | 5000089845 |
|---|---|
| Old Part Number | 0089845 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Glow Plug Timer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Tower | LT4K | 5000007620 |
| Light Tower | LTP4K | 5000007621 |
| Light Tower | LTW4K | 5000008066 |
| Light Tower | LTWP4K | 5000008067 |
| Light Tower | LT4SK | 5000007622 |
| Light Tower | LTP4SK | 5000007623 |
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.
