The Wacker Neuson is a genuine OEM O-Ring designed for the G-series portable generator lineup, including the G40, G50, G60, G70, G95, and G110 models. As a factory-sourced component, it is manufactured to the exact material grade and dimensional tolerances specified for these generators, ensuring a proper seal wherever it is installed. This O-Ring is compatible across a wide range of G-series configurations, including standard, premium, and LATAM variants, making it a versatile stocking item for fleets running multiple generator models. Confirm your machine's model and serial number against the fitment list before ordering to ensure the is the correct part for your application.
Key Features
- Exact Material and Dimensional Spec — Manufactured to the precise compound, durometer, and cross-section required for G-series generator sealing applications, not a generic substitute.
- Genuine OEM Sourcing — Supplied directly through the Wacker Neuson parts network, so you receive the same component installed during original production.
- Broad G-Series Compatibility — Fits G40, G50, G60, G70, G95, and G110 generator models across standard, premium, and LATAM configurations, covering a large portion of the portable GP lineup.
- Leak Prevention — A correctly seated O-Ring maintains fluid or pressure integrity within the generator system; a cracked or compressed-out ring is a leading cause of fluid seepage and system pressure loss.
- Direct Drop-In Replacement — Dimensionally identical to the original, so it seats into the existing groove without modification or re-machining of mating surfaces.
An O-Ring is a molded elastomeric seal that sits in a machined groove between two mating components, compressing slightly when assembled to create a leak-free barrier against fluids or pressure. In portable generators like the G-series, O-Rings appear at critical junctions in the fuel, oil, and cooling circuits, where even a minor seal failure can lead to fluid loss, contamination, or unsafe operating conditions. When an O-Ring hardens, cracks, or takes a permanent set from heat cycling, it loses its ability to compress and seal — making timely replacement essential to keeping the generator running cleanly and reliably.
Part Details
| Part Number | 5200021338 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G95 | 5200016642, 5200020677, 5100029186 |
| Mobile Generator | G60 | 5200015951, 5200016641, 5100029185 |
| G70 | G70 | 5200015952, 5100022041, 5100022040 |
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
| G110 Generator, Brazil, Value | G110 | 5100022042, 5100022043 |
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.
