The Wacker Neuson is a genuine OEM Oil Filler Cap designed for the G25 and G20 mobile generator series and the LTW20Z family of light towers. Sourced directly from Wacker Neuson, this cap carries the same part number and specification as the original component installed at the factory. Fitment covers an extensive range of G25 configurations — including skid-mounted, cold weather, extended run tank, and Tier 4i variants — as well as LTW20Z-1 and LTW20Z-3 light tower models in standard, custom, cold weather, and vertical-mast configurations. If your machine shipped with this cap, part number is the correct direct replacement.
Key Features
- OEM Sealing Integrity — Engineered to the same thread pitch and seal diameter as the original cap, ensuring a vapor-tight closure on the engine oil fill port.
- Drop-In Replacement — Threads directly onto the existing oil fill tube with no modification to the engine or housing required.
- Broad G25 and LTW20Z Coverage — Fits G25 skid-mounted, custom, cold weather, extended run, 600V switchable, and Tier 4i generator variants, plus LTW20Z-1 and LTW20Z-3 light tower series.
- Contamination Protection — A properly sealed oil filler cap keeps airborne debris, moisture, and jobsite dust out of the engine crankcase, protecting oil quality and internal engine components.
- G20 Compatibility — Also confirmed to fit G20 series mobile generators, making this cap a practical stocking item across multiple Wacker Neuson generator platforms.
The oil filler cap seals the engine's oil fill port between service intervals, preventing oil vapor loss and blocking contaminants from entering the crankcase. A damaged, missing, or ill-fitting cap allows dirt and moisture to mix with engine oil, accelerating wear on internal components and degrading lubrication quality. On generator and light tower applications — where engines often run continuously for extended periods — maintaining a secure seal at the fill port is a simple but critical part of protecting engine longevity.
Part Details
| Part Number | 5000160766 |
|---|---|
| Old Part Number | 0160766 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Filler Cap |
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 | 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.
