The Wacker Neuson is a genuine OEM Glow Plug designed for the G25 and G20 portable generator series and the LTW20Z family of Isuzu-powered light towers. As a direct Wacker Neuson OEM part, the is built to the exact specifications required by these diesel-powered units, covering standard, cold weather, custom, and extended run tank configurations. This plug fits a wide range of G25 and LTW20Z models across Tier 4i and T4F emissions levels, making it the correct choice for most G25 and LTW20Z machines in the field.
Key Features
- OEM Heat Range and Element Spec — Manufactured to the precise resistance and temperature output required by the Isuzu diesel engine in these units, ensuring the heating element reaches ignition temperature within the correct cycle time.
- Direct Plug-In Replacement — Matches the original thread pitch, tip length, and electrical connector of the factory-installed glow plug, allowing straightforward installation without machining or adapter hardware.
- Broad G25 and LTW20Z Coverage — Fits standard, cold weather, custom, extended run, and 600V switchable G25 generator variants, as well as LTW20Z-1 and LTW20Z-3 light towers including V and V S configurations.
- Cold-Start Performance — A correctly functioning glow plug pre-heats the combustion chamber so the engine fires on the first crank cycle, even in low-temperature conditions — critical for cold weather and overnight-deployed equipment.
- Fuel System Safety — A failed or underperforming glow plug causes hard starts and prolonged cranking, which can introduce unburned fuel into the cylinder and exhaust — replacing a worn plug promptly protects the engine and reduces raw fuel emissions.
A glow plug is an electrically heated element threaded into each diesel engine cylinder head. Before the starter engages, the engine control system energizes the glow plugs to warm the air inside the combustion chamber, enabling reliable ignition of diesel fuel without the compression heat that a warm engine naturally provides. When a glow plug fails or loses output, the engine may crank repeatedly without firing, start with heavy white smoke, or refuse to start altogether in cold conditions — all of which put unnecessary strain on the starter motor, battery, and fuel system. Replacing a worn glow plug with the correct OEM part restores dependable start-up performance and protects downstream engine components.
Part Details
| Part Number | 5000160765 |
|---|---|
| Old Part Number | 0160765 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Glow Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator, Custom | G25 | 5000620346, 5000620344, 5000620345, 5000620642, 5000009466, 5000620004, 5000620640, 5000620709, 5000620641, 5000009368, 5200005557, 5200003991, 5000620931, 5200001316, 5200014461, 5200014460, 5200014462, 5000621005, 5000620706, 5100022834, 5100042507, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508 |
| LTW20Z-1, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z1 | 5000620842, 5000620375, 5200004205, 5200004096, 5200023191, 5200024872 |
| LTW20Z-3, LIGHT TOWER 60HZ, ISUZU TIER 4i | LTW20Z3 | 5000620376, 5000620843, 5200003583, 5200004097, 5200023192 |
| LTW20Z3-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z3-V S | 5200018566, 5200018558, 5200018562, 5200023196, 5100015094, 5100022126 |
| LTW20Z1-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z1-V S | 5200018565, 5200018557, 5200018561, 5200024875, 5200023195, 5100015093, 5100022125 |
| Light Tower | LTW20Z3-V | 5200012881, 5200012885, 5200012867, 5200022694 |
| Light Tower | LTW20Z1-V | 5200012880, 5200012884, 5200012866 |
| Mobile Generator | G20 | 5200016628, 5200022625 |
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.
