The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the G40, G50, G60, G70, G95, and G110 series portable generators. As a direct factory replacement, this O-Ring restores the original fluid or air seal within the generator assembly, ensuring the unit operates as intended. Sourced directly through Wacker Neuson's authorized parts network, part number is the correct specification for a wide range of GP-family generator models across North American, Brazilian, and LATAM configurations.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the exact material grade and compression profile specified by Wacker Neuson, ensuring a consistent, leak-free seal in the generator assembly.
- Drop-In Replacement — Matches the original O-Ring profile and dimensions exactly, seating correctly in the existing groove without modification or adaptation.
- Broad Generator Series Coverage — Fits G40, G50, G60, G70, G95, and G110 generator models, including standard, premium, and regional variants for Brazil and LATAM markets.
- Protects Generator Performance — A properly seated O-Ring prevents fluid or pressure loss that could lead to overheating, contamination, or generator shutdown on the job.
- Fuel and Fluid System Safety — In fuel or oil circuit applications, a correctly installed O-Ring is essential for preventing leaks that pose fire or environmental hazards; using the correct OEM part ensures compliance with original design intent.
An O-Ring is a precision-molded circular seal used throughout generator assemblies to prevent the escape of fluids, fuels, or pressurized air at joints, ports, and connections. In portable generators like the G-series, O-Rings are commonly found in fuel system components, oil passages, and housing interfaces where a reliable static or dynamic seal is required. When an O-Ring wears, cracks, or loses its compression, it allows leaks to develop — which can lead to fuel loss, oil contamination, or internal pressure drops that affect generator output and reliability.
Part Details
| Part Number | 5200021343 |
|---|---|
| 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.