The Wacker Neuson 5000116331 is a genuine OEM Oil Filter designed for the G25 and G20 portable generator series and the LTW20Z light tower series, including LTW20Z-1, LTW20Z-3, and their V and V S variants. As a factory-authorized component, this Oil Filter is built to the exact specifications required by the Isuzu-powered engines found across these machine families. It fits a wide range of configurations including standard, cold weather, custom, extended run, and Tier 4i variants of the G25 generator and LTW20Z light tower lines. Verify your model number against the fitment list to confirm compatibility before ordering.
Key Features
- Genuine OEM Filtration Media — Factory-specified filter media and micron rating engineered to meet the exact oil cleanliness requirements of the Isuzu engines used in G25, G20, and LTW20Z equipment.
- Direct-Fit Replacement — Threaded to match the OEM filter mount on compatible generators and light towers, allowing a straightforward swap during scheduled oil service intervals.
- Broad Model Coverage — Fits an extensive range of G25 generator configurations (standard, cold weather, custom, extended run, and 600V switchable T4i) as well as LTW20Z-1 and LTW20Z-3 light tower variants across multiple build specifications.
- Engine Protection at Every Service Interval — A functioning oil filter removes combustion byproducts, metal particles, and contaminants from the engine oil; a clogged or failed filter allows abrasive particles to circulate, accelerating wear on bearings and cylinder walls.
- Fuel System and Engine Safety Compliance — Using the correct OEM-specified oil filter is essential to maintaining proper oil pressure and preventing bypass valve activation, which can mask contamination and lead to undetected engine damage during extended generator or light tower run cycles.
The oil filter is a critical engine maintenance component that removes harmful particulates, soot, and metallic debris from the circulating engine oil before they can cause abrasive wear to internal engine components. On generator sets and light tower power units — which often run for extended periods under continuous load — a clean, correctly rated oil filter is essential to sustaining proper lubrication across the full operating cycle. When an oil filter becomes clogged or fails structurally, oil pressure drops, the bypass valve opens, and unfiltered oil circulates through the engine, significantly shortening service life.
Part Details
| Part Number | 5000116331 |
|---|---|
| Old Part Number | 0116331 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil 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, 5100042508, 5100025836 |
| 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, 5200018562, 5200023196, 5200018558, 5100015094, 5100022126 |
| LTW20Z1-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z1-V S | 5200018565, 5200018561, 5200018557, 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.
