The Wacker Neuson Fitting is a genuine OEM component designed for the G70, G100, and G120 series portable generators. Sourced directly from Wacker Neuson, this fitting meets the original design specifications for fluid or fuel routing within these Tier 4i-compliant generator platforms. It is a direct replacement for the factory-installed part, covering Standard, Custom, Cold Weather, Extended Run, Hertz, and URI HVAC configurations across the G70, G100, and G120 model families. Confirm your machine's model and machine number before ordering to ensure accurate fitment.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring correct sealing performance and connection integrity within the generator's fluid or fuel system.
- Direct Drop-In Replacement — Designed to connect and seat exactly as the original, with matching thread form, port size, and body geometry for a straightforward swap during scheduled service or repair.
- Broad G-Series Compatibility — Fits multiple configurations of the G70, G100, and G120 generators, including Standard T4i, Custom T4i, Cold Weather T4i, Extended Run T4i, Hertz, and URI HVAC variants.
- Leak-Free Flow Path — A correctly seated fitting maintains a sealed, unobstructed flow path; a worn, cracked, or cross-threaded fitting can introduce leaks that affect generator operation and create a safety hazard in a fuel or fluid circuit.
- Fuel and Fluid System Integrity — In generator applications, fitting failures can result in fuel seepage or coolant loss — using the correct OEM part is essential for safe, code-compliant operation on the jobsite.
A fitting serves as a threaded or press-fit connector that joins sections of a fuel, coolant, or fluid line within the generator's internal plumbing. It creates a sealed junction between hoses, pipes, or components, ensuring fluid moves through the system at the correct pressure without leaking. When a fitting cracks, strips, or degrades — due to heat cycling, vibration, or age — it can compromise the entire fluid circuit, leading to leaks, pressure loss, or system contamination that can take a generator out of service.
Part Details
| Part Number | 5200018521 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G70 Generator, Custom T4i | G70 | 5200003975, 5200003973, 5200003974, 5200004151, 5200008719, 5100025262 |
| G100 Generator, Custom T4i | G100 | 5200003859, 5200003857, 5200003858, 5200008716 |
| G120 Generator,Custom T4i | G120 | 5200003856, 5200003854, 5200003855, 5200008715 |
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.
