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 and dimensional specifications required by Wacker Neuson, ensuring a proper seal within the generator's fluid or air circuit. It fits across multiple G-series configurations including standard, mobile, and premium variants produced for North American and LATAM markets. When your original O-Ring shows signs of wear, cracking, or compression set, replacing it with part number restores the integrity of the sealed connection and prevents fluid or pressure loss.
Key Features
- OEM-Grade Elastomer Material — Manufactured to Wacker Neuson's specified compound and hardness rating, delivering the compression and chemical resistance required for generator sealing applications.
- Drop-In Seal Replacement — Matches the exact cross-section diameter and inner diameter of the original, seating cleanly into its groove without trimming or adapting.
- Broad G-Series Compatibility — Verified fitment across G40, G50, G60, and G70 generator models, including standard, mobile, and premium configurations for multiple regional markets.
- Prevents Fluid and Pressure Loss — A correctly seated O-Ring maintains the sealed boundary within the generator system; a degraded seal can lead to leaks, contamination ingress, and premature component wear.
- Fuel and Fluid System Integrity — In fuel or coolant circuit applications, a failed O-Ring can introduce leak points that pose fire or fluid contamination risks — replacing with the correct OEM part maintains system safety.
An O-Ring is a molded elastomeric loop that creates a pressure-tight or fluid-tight seal between two mating surfaces or components. Inside a portable generator, O-Rings are used at joints, ports, and fittings throughout the fuel, oil, and coolant circuits to prevent leaks and keep contaminants out. Over time, heat cycling, chemical exposure, and mechanical compression cause the rubber to harden, crack, or lose its round profile — once that happens, the seal fails and the connection it was protecting becomes vulnerable to leaks or pressure loss. Replacing a worn O-Ring promptly with the correct part keeps the generator running cleanly and protects surrounding components from damage caused by escaping fluids.
Part Details
| Part Number | 5200021342 |
|---|---|
| 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.
