The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the G40, G50, G60, and G70 series portable generators. As a direct OEM replacement, this O-Ring is manufactured to the exact material composition and dimensional tolerances specified for these units, ensuring a proper seal without modification. It fits across multiple G-series configurations including standard, mobile, and international variants of the G40, G50, G60, and G70. Keep a spare on hand — O-Rings are a common service item during routine maintenance and fluid system repairs.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's specified compound and durometer rating, delivering consistent compression and resistance to fuel, oil, and temperature cycling found in portable generator applications.
- Drop-In Replacement — Matches the original groove dimensions and cross-section of the G-series generator, seating correctly without trimming or adapting.
- Broad G-Series Compatibility — Fits G40, G50, G60, and G70 generator models across standard, mobile, and premium international configurations.
- Leak Prevention — A correctly seated O-Ring maintains fluid and pressure boundaries within the generator's systems; a worn or degraded O-Ring can allow oil or fuel seepage that leads to system contamination and unplanned service.
- Fuel and Fluid System Safety — In fuel and oil circuit applications, an intact O-Ring seal is critical to preventing leaks that create fire hazards or environmental compliance issues on the worksite.
An O-Ring is a circular elastomeric seal fitted into a machined groove between two mating components. Its role is to block the passage of fluids or gases by deforming under compression to fill any gap at the joint. In a portable generator like the G40, G50, G60, or G70, O-Rings are used throughout fuel, oil, and coolant circuits to maintain pressure and prevent leaks. When an O-Ring hardens, cracks, or takes a permanent set from heat and age, it loses its ability to seal — resulting in fluid loss, contamination, or pressure drop that can compromise generator performance and create hazardous conditions.
Part Details
| Part Number | 5200021349 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G60 | 5200015951, 5200016641, 5100029185 |
| G70 | G70 | 5200015952, 5100022041, 5100022040 |
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
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.
