The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the G-series portable generator lineup, including the G40, G50, G60, G70, G95, and G110 models. As a direct factory replacement, this O-Ring restores the original sealing integrity at its designated joint or port, helping maintain proper fluid or air containment within the generator system. Wacker Neuson genuine OEM parts are manufactured to the same specifications as the parts installed at the factory, so drops in without modification or guesswork. Keep a spare on hand — O-Rings are a front-line wear item during routine service intervals.
Key Features
- Genuine OEM Sealing Compound: — Manufactured to the original material and durometer specification, ensuring the correct compression set and chemical resistance for generator fluids and operating temperatures.
- Exact-Profile Replacement: — Matches the original cross-section diameter and inner diameter of the factory-installed O-Ring, seating cleanly into its groove without re-sizing or shimming.
- Broad G-Series Fitment: — Confirmed fit across multiple Wacker Neuson portable generator families, including G40, G50, G60, G70, G95, and G110 variants across standard, 50Hz, LATAM, and Brazil-spec configurations.
- Leak Prevention Starts Here: — A failed or hardened O-Ring allows fluid or pressure to escape at sealing points, leading to contamination, pressure loss, and potential generator shutdown. Replacing with the correct part restores a reliable barrier.
- Service-Interval Ready: — Lightweight and low-cost, this O-Ring is a smart addition to any planned maintenance or rebuild kit for G-series generators to avoid unplanned service calls.
An O-Ring is a precision-molded loop of elastomeric material used to create a static or dynamic seal between two mating surfaces or at a threaded port. In portable generators like the Wacker Neuson G-series, O-Rings are used throughout the fuel, oil, and cooling circuits to prevent leaks and maintain system pressure. When an O-Ring ages, it loses elasticity, hardens, or develops cracks — allowing fluid to seep past the seal and compromising both performance and safety. Replacing a worn O-Ring with the correct OEM part, such as the 5200021340, restores the original seal and prevents damage to surrounding components.
Part Details
| Part Number | 5200021340 |
|---|---|
| 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.
