The Wacker Neuson 5200015557 Insulator is a genuine OEM component designed for G25 and G50 generator series units and LTW20Z1 and LTW20Z3 light towers. As a factory-sourced part, it meets the exact material and dimensional specifications set by Wacker Neuson for these machines. This insulator fits a broad range of G25 configurations — including Standard, Cold Weather, Extended Run, Custom, Battlefield, Mobile, URI HVAC, and 600V Tier 4 Final variants — as well as G50 Hertz and Cold Weather T4 models and LTW20Z1 and LTW20Z3 light tower configurations. Confirm your machine's model number against the verified fitment list before ordering to ensure a direct match.
Key Features
- Genuine OEM Material Grade — Manufactured to Wacker Neuson's specified dielectric and thermal resistance ratings for this insulator application, ensuring no compromise in electrical isolation performance.
- Drop-In Replacement — Matches the original mounting profile and connection points for a straightforward swap with no rework to surrounding components.
- Wide Fitment Coverage — Verified for G25 Generator (all T4F variants including Standard, Cold Weather, Extended Run, Custom, Battlefield, Mobile, URI HVAC, and 600V), G50 Generator (Hertz T4 and Hertz Cold Weather T4), LTW20Z1 (Standard, Cold Weather, Custom, LED, MH, and RFR T4 configurations), and LTW20Z3 (Standard, Cold Weather, Custom, and Hertz T4 configurations).
- Electrical Isolation Integrity — A properly functioning insulator prevents unintended current paths between conductive components, protecting downstream electrical circuits and generator output quality.
- Electrical Safety Compliance — On generator and light tower applications, maintaining correct insulation between live components is critical to safe operation; using a genuine OEM insulator preserves the original design margins for your equipment.
An insulator is an electrically non-conductive component positioned between live or high-voltage parts and the surrounding structure or ground. On portable generators and light towers, insulators are used to physically separate conductive terminals, wiring, or components from surfaces where an electrical path would cause a fault, short circuit, or shock hazard. When an insulator cracks, degrades, or is missing, the risk of electrical leakage increases, which can lead to erratic output, circuit faults, or unsafe operating conditions — making timely replacement essential for both performance and safety.
Part Details
| Part Number | 5200015557 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G25 Generator,Battlefield T4 | G25 | 5200009376, 5200009372, 5200009370, 5200009371, 5200009373, 5200009377, 5200009375, 5200009374, 5100041584, 5200022587, 5100045084, 5100041592, 5100041580, 5100017591, 5100045541, 5100041582, 5100050326, 5100041581, 5100041583, 5100045542 |
| LTW20Z1, LED | LTW20Z1 | 5100051572, 5100051571, 5200018239, 5200014324, 5200014326, 5200014328 |
| G50 Generator,Hertz T4 | G50 | 5200017829, 5200017830 |
| LTW20Z-3 Light Tower, Cold Weather T4 | LTW20Z3 | 5200014327, 5200023604, 5200014325, 5200014329 |
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.