The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the G40, G50, G60, G70, and G95 series portable generators. As a factory-original part, it is manufactured to the exact material composition and dimensional tolerances specified by Wacker Neuson, ensuring a proper compression seal in its installed position. This O-Ring fits across a wide range of G-series generator configurations including standard, mobile, and premium variants, covering both domestic and LATAM 50Hz markets. Keeping this small but critical component in good condition is essential to maintaining leak-free operation and protecting the generator's internal systems.
Key Features
- Correct Compound and Dimensioning — Manufactured to OEM-specified material grade and cross-section diameter, delivering the compression and chemical resistance required for this application.
- Drop-In Sealing Fit — Matches the original groove geometry exactly, seating without adjustment or modification and forming an immediate, reliable seal on installation.
- Broad G-Series Compatibility — Confirmed fitment across the G40, G50, G60, G70, and G95 generator families, including mobile and premium configurations and 50Hz LATAM variants.
- Prevents Fluid or Air Bypass — A correctly seated O-Ring maintains the integrity of the sealed circuit; a worn, cracked, or deformed ring allows leakage that can lead to fluid loss, contamination, or pressure loss within the generator system.
- Fuel and Fluid System Integrity — In generator fuel and fluid circuits, a compromised O-Ring seal can introduce a fire or contamination risk; using the correct OEM-spec part ensures the sealed joint meets the original design safety margin.
An O-Ring is a molded elastomeric loop seated in a machined groove to form a pressure-tight seal between two mating components. In portable generators like the G-series, O-Rings are used throughout fuel, oil, and coolant circuits to prevent leaks at joints, fittings, and covers. When an O-Ring ages, it can harden, crack, or lose its round profile — allowing fluid to bypass the seal and causing leaks that affect both performance and safety. Replacing a worn O-Ring promptly with the correct part restores the sealed interface and protects the surrounding components from damage.
Part Details
| Part Number | 5200021350 |
|---|---|
| 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, 5200015907, 5200016640, 5100029184 |
| Generator | G50 | 5200015909 |
| Mobile Generator | G95 | 5200016642 |
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.
