The Wacker Neuson Fuel Filter is a genuine OEM component designed for the G25 and G20 portable generator series and the LTW20Z family of light towers. Sourced directly from Wacker Neuson, this replacement filter meets the exact specifications of the original part. It is a direct-fit replacement compatible with a wide range of G25 configurations — including standard, cold weather, custom, extended run tank, and Tier 4i variants — as well as G20 mobile generators and LTW20Z-1 and LTW20Z-3 light towers in both standard and vertical-mast configurations. When your existing fuel filter is due for service, part number ensures your machine gets back to work with the correct OEM component installed.
Key Features
- Genuine OEM Filtration Media — Manufactured to Wacker Neuson's original flow-rate and micron-rating specifications, ensuring consistent fuel delivery to the Isuzu engine across all operating conditions.
- Drop-In Replacement — Matches the original mounting connections and filter housing dimensions, allowing straightforward installation without modification to fuel lines or brackets.
- Broad Model Coverage — Compatible with G25 (standard, cold weather, custom, extended run, and Tier 4i variants), G20 mobile generators, G12 skid-mounted generators, and LTW20Z-1 and LTW20Z-3 light towers including V and V S mast configurations.
- Engine Protection at the Source — A functioning fuel filter prevents contaminants and water from reaching the injectors; a clogged or bypassed filter accelerates injector wear and can cause hard starts, rough running, or engine shutdown on the job.
- Fuel System Integrity — Using the correct OEM-spec filter maintains proper fuel pressure and protects downstream injection components — particularly important on Tier 4i emissions-controlled engines where injector tolerances are tight.
The fuel filter's job is to remove particulates, sediment, and water from the fuel supply before it reaches the engine's injection system. On generator and light tower applications like the G25 and LTW20Z series, clean fuel delivery is critical to stable power output and smooth engine operation. A filter that is blocked, bypassed, or of the wrong specification can starve the engine of fuel, cause erratic output, or — over time — allow contaminants to reach and damage precision injector components that are far more costly to replace.
Part Details
| Part Number | 5000116344 |
|---|---|
| Old Part Number | 0116344 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Filter |
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, 5000009258, 5200014460, 5200014462, 5000621005, 5000008228, 5000620706, 5100022834, 5000009462, 5000009476, 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, Skid Mounted | G12 | 5000008227 |
| 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.
